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CN109066026A - A kind of Ka band dual channel duplexer suitable for multi-antenna array - Google Patents

A kind of Ka band dual channel duplexer suitable for multi-antenna array Download PDF

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Publication number
CN109066026A
CN109066026A CN201810729643.8A CN201810729643A CN109066026A CN 109066026 A CN109066026 A CN 109066026A CN 201810729643 A CN201810729643 A CN 201810729643A CN 109066026 A CN109066026 A CN 109066026A
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transmission channel
port
channel
pass band
lower transmission
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CN109066026B (en
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陈振华
孙冬全
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention discloses a kind of Ka band dual channel duplexers suitable for multi-antenna array, including main casing, upper cover plate and lower cover plate, the main casing is provided with transmission channel and lower transmission channel, demarcation plate is provided between the upper transmission channel and lower transmission channel, the side wall of the main casing open up there are two side by side upper public input port and under public input port, and two high channel output ports and two low pass road output ports, described two high channel output ports of public input port and upper transmission channel penetrate through, under public input port and two low pass road output ports and lower transmission channel penetrate through.The duplexer that the present invention realizes two channels in a limited space is integrated, can be achieved at the same time two common ends and four corresponding channel outputs.

Description

A kind of Ka band dual channel duplexer suitable for multi-antenna array
Technical field
The present invention relates to a kind of Ka band duplexers, more particularly to suitable for the Ka band dual double-channel duplex of multi-antenna array Device belongs to millimetre-wave radar and field of communication technology.The present invention relates in millimetre-wave radar and the communications field, especially suitable for ?.
Background technique
Duplexer is commonly used in the isolation in radar or communication system, between realization different channels.It is double in millimeter wave frequency band Work device is typically based on waveguiding structure realization, because waveguiding structure has the characteristics that low-loss, high power capacity.Regardless of what is based on The realization principle and structure type of sample, existing duplexer be substantially it is single pass, i.e., only include a common end and two Corresponding output end.
The utility model patent " a kind of Ka band duplexer " that Wang Qingfen as disclosed in 2010 et al. writes, the duplexer Realize that there is an individual transmission channel based on waveguiding structure, the input/output port and transmission channel of the duplexer mutually hang down Directly, if to realize binary channels, that two channels can be only in back-to-back position, in the application of practical multiaerial system, It is typically all to arrange between mutiple antennas in opposite directions, so the diplexer structure is not suitable for multiaerial system.
2013, Electronic University Of Science & Technology Of Hangzhou's journal reported paper " the Ka wave band waveguide duplex that Zhang Zhi's letter et al. is write The development of device ", this article is based on the face E metallic membrane and realizes that bandpass filter, the filter also belong to channel filter, have One common end and two corresponding output ends, and two output ends are contrary, are not suitable for towards consistent array antenna System.
A kind of patent of invention " Ka band duplexer " that first its et al. is write of woods disclosed in 2014, the duplexer are based on electricity The transparent principle of magnetic induction realizes bandpass filter by dielectric substrate, and then constitutes duplexer, has the structure of miniaturization special Point equally has an individual transmission channel.The duplexer is related to metal and two kinds of structures of PCB, complex process, and PCB medium Diaphragm and metal cavity certainly exist installation error when integrated, are easy to influence performance.
So far, it yet there are no using the duplexer that the binary channels of two nonstandard common ends and four corresponding output ends integrates Open report.
Summary of the invention
The present invention is directed to low existing duplexer integrated level, complex process, is difficult to be suitable for the deficiency of large scale array system, Propose it is a kind of use nonstandard public port, integrate the diplexer structure in two channels, it is structural compactness with height, relatively light Weight and low loss characteristic, suitable for receiving and dispatching the array system of alien frequencies transmission, it be a kind of radar with array features or The device of transmitting-receiving alien frequencies synchronous transfer is completed in communication channel, specific technical solution is as follows:
A kind of Ka band dual channel duplexer suitable for multi-antenna array, it is characterised in that including main casing, upper cover plate and under Cover board, the main casing are provided with upper transmission channel close to the side of upper cover plate, and the side close to lower cover plate is provided with lower transmission Channel is provided with demarcation plate between the upper transmission channel and lower transmission channel,
The side wall of the main casing opens up the common end there are two the public port of upper transmission channel side by side and lower transmission channel Mouthful, the public port of the public port of the upper transmission channel and lower transmission channel is located at the two sides of demarcation plate, it is described on The public port of transmission channel and upper transmission channel penetrate through, and the public port of the lower transmission channel and lower transmission channel penetrate through；
The diagonal line of the public port of the upper transmission channel be provided opposite to upper transmission channel low pass port and upper transmission The high pass port in channel is provided with upload between the low pass port of upper transmission channel and the high pass port of upper transmission channel Defeated channel partition wall, the upper transmission channel partition wall extend close to the public port of transmission channel；
The diagonal line of the public port of the lower transmission channel be provided opposite to lower transmission channel low pass port and lower transmission The high pass port in channel is provided with down between the low pass port of lower transmission channel and the high pass port of lower transmission channel and passes Defeated channel partition wall, the lower transmission channel partition wall extend close to the public port of lower transmission channel.
The public port of the upper transmission channel and the public port of lower transmission channel are all made of the non-tag splice of narrow side compression Mouth and non-standard flange, the thickness direction along main casing are arranged side by side.
The public port of the upper transmission channel passes through H-T connector and the low pass port and upload that connect transmission channel The high pass port in defeated channel, the public port of lower transmission channel by the low pass port of H-T connector and lower transmission channel and The high pass port of lower transmission channel, upper transmission channel and lower transmission channel are all made of H facial mask chip architecture, and are compressed using narrow side Nonstandard waveguide chamber size.
The low pass port of upper transmission channel, the high pass port of upper transmission channel, lower transmission channel low pass port Standard WR28 Waveguide interface and non-standard flange are all made of with the high pass port of lower transmission channel.
The public port two-stage step of transmission channel is provided in the public port of the upper transmission channel, upper transmission is logical Public port step of the public port two-stage step in road from upper transmission channel towards upper transmission channel increases；
Be provided with the public port two-stage step of lower transmission channel in the public port of lower transmission channel, lower transmission channel it is public Public port step of the port two-stage step from lower transmission channel towards lower transmission channel increases；
The following port two-stage step of transmission channel is provided in the low pass port of upper transmission channel, upper transmission channel Following port two-stage step is increased from the low pass port of upper transmission channel towards step in upper transmission channel；
The top port two-stage step of transmission channel is provided in the high pass port of upper transmission channel；Upper transmission channel Top port two-stage step is increased from the high pass port of upper transmission channel towards step in upper transmission channel；
The following port two-stage step of lower transmission channel is provided in the low pass port of lower transmission channel；Lower transmission channel Following port two-stage step is increased from the low pass port of lower transmission channel towards step in lower transmission channel；
The top port two-stage step of lower transmission channel is provided in the high pass port of lower transmission channel；Lower transmission channel The high pass port of transmission channel is increased towards step in lower transmission channel under the port two-stage step of top.
The upper transmission channel partition wall is logical at upper transmission channel lowpass band coupler and upper transmission by upper transmission channel segmentation Road upper passband coupler is offered between the side wall of the main casing and upper transmission channel lowpass band coupler and is transmitted on several The lower passband tuning screw hole in channel, offers several between the side wall of the main casing and upper transmission channel upper passband coupler The upper passband tuning screw hole of a upper transmission channel；
Lower transmission channel is divided into lower transmission channel lower passband coupler and lower transmission channel high by the lower transmission channel partition wall Passband coupler offers several lower transmission channels between the side wall of the main casing and lower transmission channel lower passband coupler Lower passband tuning screw hole, offered under several between the side wall of the main casing and lower transmission channel upper passband coupler The upper passband tuning screw hole of transmission channel.
The beneficial effects of the present invention are:
The invention proposes a kind of Ka band duplexer, the duplexer is comprehensive using back to back structure, the nonstandard wave of compressed dimension Mouth and H facial mask piece coupled structure are led, the duplexer for realizing two channels in a limited space is integrated, can be achieved at the same time two Common end and four corresponding channel outputs, total thickness are only 10.8mm, and carry out channel expansion with can be convenient It opens up to adapt to the application requirement of large scale array.
Detailed description of the invention
Fig. 1 is the structure composition at positive visual angle of the invention；
Fig. 2 is the structure composition at back side visual angle of the invention；
Fig. 3 is each port position front visual angle schematic diagram of the invention；
Fig. 4 is each port position back side visual angle schematic diagram of the invention；
Fig. 5, Fig. 6 are the 16 double-channel duplex device assembly schematic diagrames as composed by 8 groups of duplexers of the invention；
Fig. 7 is single channel lower passband performance curve of the invention；
Fig. 8 is single channel upper passband performance curve of the invention；
Reference signs list:
1-main casing,
2-upper cover plates,
3-lower cover plates,
4-upper transmission channels,
4-1-goes up the public port of transmission channel,
4-2-goes up the low pass port of transmission channel,
4-3-goes up the high pass port of transmission channel,
5-lower transmission channels,
The public port of the lower transmission channel of 5-1-,
The low pass port of the lower transmission channel of 5-2-,
The high pass port of the lower transmission channel of 5-3-,
6-1-goes up the public port two-stage step of transmission channel,
The public port two-stage step of the lower transmission channel of 6-2-,
6-3-goes up the following port two-stage step of transmission channel
6-4-goes up the top port two-stage step of transmission channel
The following port two-stage step of the lower transmission channel of 6-5-
The top port two-stage step of the lower transmission channel of 6-6-
7-1-goes up the lower passband tuning screw hole of transmission channel,
7-2-goes up the upper passband tuning screw hole of transmission channel,
The lower passband tuning screw hole of the lower transmission channel of 8-1-,
The upper passband tuning screw hole of the lower transmission channel of 8-2-,
9-upper transmission channel partition walls,
10-lower transmission channel partition walls.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.It should be understood that following specific embodiments are only For illustrating the present invention rather than limiting the scope of the invention.
In conjunction with Fig. 1-6, the Ka band dual channel duplexer suitable for multi-antenna array of the invention, including main casing 1, on Cover board 2 and lower cover plate 3, the main casing 1 are provided with upper transmission channel 4 close to the side of upper cover plate 2, close to the one of lower cover plate 3 Side is provided with lower transmission channel 5, is provided with demarcation plate between the upper transmission channel 4 and lower transmission channel 5,
The side wall of the main casing 1 opens up the public affairs there are two the public port 4-1 of upper transmission channel side by side and lower transmission channel Port 5-1 altogether, the public port 4-1 of the upper transmission channel and the public port 5-1 of lower transmission channel are located at demarcation plate Two sides, the public port 4-1 of the upper transmission channel and upper transmission channel 4 penetrate through, the public port of the lower transmission channel 5-1 and lower transmission channel 5 penetrate through；
The diagonal line of the public port 4-1 of the upper transmission channel be provided opposite to upper transmission channel low pass port 4-2 and The high pass port 4-3 of upper transmission channel, the low pass port 4-2 of upper transmission channel and the high pass port 4- of upper transmission channel Transmission channel partition wall 9 is provided between 3, the upper transmission channel partition wall extends close to the public port 4- of transmission channel 1；
The diagonal line of the public port 5-1 of the lower transmission channel be provided opposite to lower transmission channel low pass port 5-2 and The high pass port 5- of high pass the port 5-3, the low pass port 5-2 of lower transmission channel and lower transmission channel of lower transmission channel Lower transmission channel partition wall 10 is provided between 3, the lower transmission channel partition wall 10 extends close to the common end of lower transmission channel Mouth 5-1.
The public port 4-1 of the upper transmission channel and public port 5-1 of lower transmission channel is all made of narrow side compression Nonstandard interface and non-standard flange, the thickness direction along main casing 1 are arranged side by side.
The public port 4-1 of the upper transmission channel passes through H-T connector and the low pass port 4-2 that connect transmission channel Pass through H-T connector and lower transmission channel with the public port 5-1 of the high pass port 4-3 of upper transmission channel, lower transmission channel The high pass port 5-3 of low pass port 5-2 and lower transmission channel, upper transmission channel 4 and lower transmission channel 5 are all made of H facial mask Chip architecture, and using the nonstandard waveguide chamber size of narrow side compression.
The low pass port 4-2 of upper transmission channel, the high pass port 4-3 of upper transmission channel, lower transmission channel low pass Port 5-2 and the high pass port 5-3 of lower transmission channel are all made of standard WR28 Waveguide interface and non-standard flange.
The public port two-stage step 6-1 of transmission channel is provided in the public port 4-1 of the upper transmission channel, on Public port 4-1 step liter of the public port two-stage step 6-1 of transmission channel from upper transmission channel 4 towards upper transmission channel It is high；
The public port two-stage step 6-2 of lower transmission channel, lower transmission channel are provided in the public port 5-1 of lower transmission channel Public port 5-1 step of the public port two-stage step 6-2 from lower transmission channel towards lower transmission channel increase；
The following port two-stage step 6-3 of transmission channel, upper transmission are provided in the low pass port 4-2 of upper transmission channel The following port two-stage step 6-3 in channel is from the low pass port 4-2 of upper transmission channel towards step liter in upper transmission channel 4 It is high；
The top port two-stage step 6-4 of transmission channel is provided in the high pass port 4-3 of upper transmission channel；Upper transmission The top port two-stage step 6-4 in channel is from the high pass port 4-3 of upper transmission channel towards step liter in upper transmission channel 4 It is high；
The following port two-stage step 6-5 of lower transmission channel is provided in the low pass port 5-2 of lower transmission channel；Lower transmission The following port two-stage step 6-5 in channel is from the low pass port 5-2 of lower transmission channel towards step liter in lower transmission channel 5 It is high；
The top port two-stage step 6-6 of lower transmission channel is provided in the high pass port 5-3 of lower transmission channel；Lower transmission The high pass port 5-3 of transmission channel is towards step liter in lower transmission channel 5 under the top port two-stage step 6-6 in channel It is high.
Upper transmission channel 4 is divided into upper transmission channel lowpass band coupler and upper transmission by the upper transmission channel partition wall 9 Channel upper passband coupler offers several uploads between the side wall of the main casing and upper transmission channel lowpass band coupler The lower passband tuning screw hole 7-1 in defeated channel, opens up between the side wall of the main casing and upper transmission channel upper passband coupler There is the upper passband tuning screw hole 7-2 of transmission channel on several；
Lower transmission channel 5 is divided into lower transmission channel lower passband coupler and lower transmission channel by the lower transmission channel partition wall 10 It is logical to offer several lower transmission for upper passband coupler between the side wall of the main casing and lower transmission channel lower passband coupler The lower passband tuning screw hole 8-1 in road, if being offered between the side wall of the main casing and lower transmission channel upper passband coupler The upper passband tuning screw hole 8-2 of dry lower transmission channel.
A specific embodiment of illustrating below illustrates the present invention:
The present invention realizes one and is integrated with the Ka band duplexer in two channels, and technical indicator is as follows:
(1) upper passband frequency range: 33.5-35.5GHz
(2) lower passband frequency range: 36.0-36.7GHz
(3) Insertion Loss in upper passband band: < 2.0dB
(4) return loss in upper passband band: < -15dB
(5) Insertion Loss in lower passband band: < 2.0dB
(6) return loss in lower passband band: < -15dB
(7) high lower passband isolation: > 20dB 36.0-36.7GHz
>20dB@33.5-35.5GHz
The double-channel duplex device proposed is process using LF21 type rustproof aluminum alloy, outer dimension be 82mm × 28mm × 10.8mm。
Two common ends use nonstandard waveguide mouth, having a size of 7.12mm × 2mm, center spacing 5.5mm；
Two branch ends use standard waveguide mouth, having a size of 7.12mm × 3.56mm；
Upper passband uses 6 chamber coupled structures, and 6 cavity depths are 2.78mm, and width is 7.12mm, and length is respectively 4.15mm, 4.74mm, 4.83mm, 4.83mm, 4.75mm, 4.10mm, diaphragm thickness 1mm；
Lower passband uses 4 chamber coupled structures, and cavity depth 2.78mm, 4 cavity depths are 2.78mm, and width is 7.12mm, length are respectively 5.38mm, 5.77mm, 5.77mm, 5.42mm, diaphragm thickness 1mm；
Upper passband tuning screw uses 6 M1.6 cylindrical screws；
Lower passband tuning screw uses 4 M1.6 cylindrical screws；
The height of common end two-stage step is respectively 0.36mm and 0.42mm；
The height of branch end two-stage step is respectively 0.37mm and 0.41mm；
Two channels use back to back structure, intermediate bulkhead thickness 2.24mm；
Based on the duplexer that above structure parameter is realized, the S parameter performance curve of high lower passband is as shown in Figure 7, Figure 8.From Performance curve is visible: the frequency range of lower passband covers 33.5-35.5GHz, is less than 2dB with interior Insertion Loss, with interior return loss <- 15dB inhibits to be greater than 20dB to the upper passband of 36.0-36.7GHz；The frequency range of upper passband covers 36.0-36.7GHz, in Insertion Loss is less than 2dB, with interior return loss < -15dB, inhibits to be greater than 20dB to the lower passband of 33.5-35.5GHz.As a result meet and set Meter is expected.
The technical means disclosed in the embodiments of the present invention is not limited to the technical means disclosed in the above technical means, and further includes Technical solution consisting of any combination of the above technical features.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (6)

1.一种适用于多天线阵列的Ka波段双通道双工器，其特征在于包括主壳体（1）、上盖板（2）和下盖板（3），所述主壳体（1）靠近上盖板（2）的一侧设置有上传输通道（4），靠近下盖板（3）的一侧设置有下传输通道（5），所述上传输通道（4）和下传输通道（5）之间设置有分隔板，1. A Ka-band dual-channel duplexer suitable for multi-antenna arrays, characterized in that it includes a main housing (1), an upper cover (2) and a lower cover (3), the main housing (1 ) is provided with an upper transmission channel (4) on the side close to the upper cover (2), and a lower transmission channel (5) is provided on the side close to the lower cover (3), and the upper transmission channel (4) and the lower transmission A partition plate is arranged between the passages (5), 所述主壳体（1）的侧壁开设有两个并排的上传输通道的公共端口（4-1）和下传输通道的公共端口（5-1），所述上传输通道的公共端口（4-1）和下传输通道的公共端口（5-1）分别位于分隔板的两侧，所述上传输通道的公共端口（4-1）与上传输通道（4）贯通，所述下传输通道的公共端口（5-1）与下传输通道（5）贯通；The side wall of the main housing (1) is provided with two side-by-side common ports (4-1) of the upper transmission channel and a common port (5-1) of the lower transmission channel, and the common port of the upper transmission channel ( 4-1) and the common port (5-1) of the lower transmission channel are respectively located on both sides of the partition plate, the common port (4-1) of the upper transmission channel is connected with the upper transmission channel (4), and the lower transmission channel The common port (5-1) of the transmission channel is connected with the lower transmission channel (5); 所述上传输通道的公共端口（4-1）的对角线对面设置有上传输通道的低通带端口（4-2）和上传输通道的高通带端口（4-3），上传输通道的低通带端口（4-2）和上传输通道的高通带端口（4-3）之间设置有上传输通道隔墙（9），所述上传输通道隔墙延伸到靠近上传输通道的公共端口（4-1）；Opposite the diagonal line of the common port (4-1) of the upper transmission channel, a low-pass band port (4-2) and a high-pass band port (4-3) of the upper transmission channel are arranged, and the upper transmission channel An upper transmission channel partition wall (9) is arranged between the low-pass band port (4-2) of the upper transmission channel and the high-pass band port (4-3) of the upper transmission channel, and the upper transmission channel partition wall extends to close to the upper transmission channel public port(4-1); 所述下传输通道的公共端口（5-1）的对角线对面设置有下传输通道的低通带端口（5-2）和下传输通道的高通带端口（5-3），下传输通道的低通带端口（5-2）和下传输通道的高通带端口（5-3）之间设置有下传输通道隔墙（10），所述下传输通道隔墙（10）延伸到靠近下传输通道的公共端口（5-1）。On the opposite side of the common port (5-1) of the lower transmission channel, there are a low-pass band port (5-2) and a high-pass band port (5-3) of the lower transmission channel, the lower transmission channel A lower transmission channel partition wall (10) is set between the low-pass band port (5-2) of the lower transmission channel and the high-pass band port (5-3) of the lower transmission channel, and the lower transmission channel partition wall (10) extends to close to the lower The public port (5-1) of the transport channel. 2.根据权利要求1所述的一种适用于多天线阵列的Ka波段双通道双工器，其特征在于所述上传输通道的公共端口（4-1）和下传输通道的公共端口（5-1）均采用窄边压缩的非标接口和非标法兰，沿主壳体（1）的厚度方向并排布置。2. A Ka-band dual-channel duplexer suitable for multi-antenna arrays according to claim 1, characterized in that the common port (4-1) of the upper transmission channel and the common port (5-1) of the lower transmission channel -1) Non-standard interfaces and non-standard flanges with narrow side compression are used, arranged side by side along the thickness direction of the main shell (1). 3.根据权利要求1所述的一种适用于多天线阵列的Ka波段双通道双工器，其特征在于所述上传输通道的公共端口（4-1）通过H-T接头与连接上传输通道的低通带端口（4-2）和上传输通道的高通带端口（4-3），下传输通道的公共端口（5-1）通过H-T接头与下传输通道的低通带端口（5-2）和下传输通道的高通带端口（5-3），上传输通道（4）和下传输通道（5）均采用H面膜片结构，且采用窄边压缩的非标波导腔尺寸。3. A Ka-band dual-channel duplexer suitable for multi-antenna arrays according to claim 1, characterized in that the common port (4-1) of the upper transmission channel is connected to the upper transmission channel through the H-T connector The low-pass band port (4-2) and the high-pass band port (4-3) of the upper transmission channel, the common port (5-1) of the lower transmission channel and the low-pass band port (5-2) of the lower transmission channel through the H-T connector ) and the high-pass band port (5-3) of the lower transmission channel, the upper transmission channel (4) and the lower transmission channel (5) both adopt the H film sheet structure, and adopt the non-standard waveguide cavity size with narrow side compression. 4.根据权利要求1所述的一种适用于多天线阵列的Ka波段双通道双工器，其特征在于上传输通道的低通带端口（4-2）、上传输通道的高通带端口（4-3）、下传输通道的低通带端口（5-2）和下传输通道的高通带端口（5-3）均采用标准WR28波导接口以及非标法兰。4. A Ka-band dual-channel duplexer suitable for multi-antenna arrays according to claim 1, characterized in that the low-pass band port (4-2) of the upper transmission channel, the high-pass band port of the upper transmission channel ( 4-3), the low-pass band port (5-2) of the lower transmission channel and the high-pass band port (5-3) of the lower transmission channel all adopt standard WR28 waveguide interface and non-standard flange. 5.根据权利要求1所述的一种适用于多天线阵列的Ka波段双通道双工器，其特征在于所述上传输通道的公共端口（4-1）中设置有上传输通道的公共端口两级台阶（6-1），上传输通道的公共端口两级台阶（6-1）从上传输通道（4）朝向上传输通道的公共端口（4-1）台阶升高；5. A Ka-band dual-channel duplexer suitable for multi-antenna arrays according to claim 1, characterized in that the common port (4-1) of the upper transmission channel is provided with a common port of the upper transmission channel Two steps (6-1), the two steps (6-1) of the common port of the upper transmission channel rise from the upper transmission channel (4) towards the common port (4-1) of the upper transmission channel; 下传输通道的公共端口（5-1）中设置有下传输通道的公共端口两级台阶（6-2），下传输通道的公共端口两级台阶（6-2）从下传输通道朝向下传输通道的公共端口（5-1）台阶升高；The common port (5-1) of the lower transmission channel is provided with two steps (6-2) for the common port of the lower transmission channel, and the two steps (6-2) of the common port of the lower transmission channel are transmitted from the lower transmission channel towards the lower The common port (5-1) of the channel is stepped up; 上传输通道的低通带端口（4-2）中设置有上传输通道的下边带端口两级台阶（6-3），上传输通道的下边带端口两级台阶（6-3）从上传输通道的低通带端口（4-2）朝向上传输通道（4）中台阶升高；The low passband port (4-2) of the upper transmission channel is provided with two steps (6-3) of the lower sideband port of the upper transmission channel, and the lower sideband port of the upper transmission channel has two steps (6-3) from the upper transmission channel The low passband port (4-2) of the channel rises towards the step in the upper pass channel (4); 上传输通道的高通带端口（4-3）中设置有上传输通道的上边带端口两级台阶（6-4）；上传输通道的上边带端口两级台阶（6-4）从上传输通道的高通带端口（4-3）朝向上传输通道（4）中台阶升高；The high-passband port (4-3) of the upper transmission channel is provided with two steps (6-4) for the upper sideband port of the upper transmission channel; the two steps (6-4) for the upper sideband port of the upper transmission channel The high-pass band port (4-3) of the step rises towards the middle of the upper transmission channel (4); 下传输通道的低通带端口（5-2）中设置有下传输通道的下边带端口两级台阶（6-5）；下传输通道的下边带端口两级台阶（6-5）从下传输通道的低通带端口（5-2）朝向下传输通道（5）中台阶升高；The low passband port (5-2) of the lower transmission channel is provided with two steps (6-5) of the lower sideband port of the lower transmission channel; the lower sideband port of the lower transmission channel has two steps (6-5) from the lower The low passband port (5-2) of the channel rises towards the step in the lower transfer channel (5); 下传输通道的高通带端口（5-3）中设置有下传输通道的上边带端口两级台阶（6-6）；下传输通道的上边带端口两级台阶（6-6）下传输通道的高通带端口（5-3）朝向下传输通道（5）中台阶升高。The high-pass band port (5-3) of the lower transmission channel is provided with two steps (6-6) for the upper sideband port of the lower transmission channel; two steps (6-6) for the upper sideband port of the lower transmission channel The high pass band port (5-3) rises towards the step in the lower pass channel (5). 6.根据权利要求1所述的一种适用于多天线阵列的Ka波段双通道双工器，其特征在于所述上传输通道隔墙（9）将上传输通道（4）分割成上传输通道低通带耦合腔和上传输通道高通带耦合腔，所述主壳体的侧壁与上传输通道低通带耦合腔之间开设有若干个上传输通道的低通带调谐螺钉孔（7-1），所述主壳体的侧壁与上传输通道高通带耦合腔之间开设有若干个上传输通道的高通带调谐螺钉孔（7-2）；6. A Ka-band dual-channel duplexer suitable for multi-antenna arrays according to claim 1, characterized in that the upper transmission channel partition wall (9) divides the upper transmission channel (4) into upper transmission channels The low-pass band coupling cavity and the upper transmission channel high-pass band coupling cavity, and several low-pass band tuning screw holes (7- 1), there are several high-pass band tuning screw holes (7-2) for the upper transmission channel between the side wall of the main housing and the high-pass band coupling cavity of the upper transmission channel; 所述下传输通道隔墙（10）将下传输通道（5）分割成下传输通道低通带耦合腔和下传输通道高通带耦合腔，所述主壳体的侧壁与下传输通道低通带耦合腔之间开设有若干个下传输通道的低通带调谐螺钉孔（8-1），所述主壳体的侧壁与下传输通道高通带耦合腔之间开设有若干个下传输通道的高通带调谐螺钉孔（8-2）。The lower transmission channel partition wall (10) divides the lower transmission channel (5) into a lower transmission channel low-pass band coupling cavity and a lower transmission channel high-pass band coupling cavity, and the side wall of the main housing is connected to the lower transmission channel low-pass coupling cavity. There are several low-pass band tuning screw holes (8-1) for the lower transmission channel between the coupling cavity, and several lower transmission channels are opened between the side wall of the main housing and the high-pass band coupling cavity of the lower transmission channel The high-pass band tuning screw holes (8-2).
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