CN204966649U - Four port microwave network of ka broadband circular polarization - Google Patents
Four port microwave network of ka broadband circular polarization Download PDFInfo
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- CN204966649U CN204966649U CN201520779138.6U CN201520779138U CN204966649U CN 204966649 U CN204966649 U CN 204966649U CN 201520779138 U CN201520779138 U CN 201520779138U CN 204966649 U CN204966649 U CN 204966649U
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Abstract
The utility model discloses a four port microwave network of broadband circular polarization of ka frequency channel can be in ka frequency channel plane of reflection antenna simultaneous transmission and reception circularly polarized signal, the main synthesis that realizes the circularly polarized signal to and send and receive signals's high degree keeps apart. Including two frequency duplexers, low frequency waveguide bridge and high -frequency wave conducting bridges, ka broadband orthogonal mode coupler, two waveguides exports of ka broadband orthogonal mode coupler respectively connect a frequency duplexer, the direct mouth of two frequency duplexers respectively with the switch -on mutually of two waveguide mouth one -to -ones of low frequency waveguide bridge, the export of the lateral wall branch road of two frequency duplexers respectively with the switch -on mutually of two waveguide mouth one -to -ones of high -frequency wave conducting bridge. This ka frequency channel broadband four port microwave network of circular polarization have ultra wide band, high isolation, the loss is little, the standing -wave ratio is little, the power capacity is big excellent features. Can satisfy nearly all ka satellite communication receiving and dispatching sharing circular polarized antenna to the demand that microwave network designed, has very high using value.
Description
Technical field
The utility model relates to a kind of Ka broadband circular polarization four port microwave network in satellite communication field, can meet nearly all Ka frequency range and defend the design requirement of logical duplexer to microwave network.
Background technology
Since new century, the communication technology of satellite maked rapid progress, requires microwave technology constantly progress thereupon.Period, the communication resource competition that the whole world is constantly fierce, expedited the emergence of the communication technology particularly antenna technology to multifrequency, high frequency, broadband, ultra broadband, the development of transmit-receive sharing aspect.And the successful design of broadband microwave network is the design premises of broad-band antenna, Ka tetra-port microwave network is compared to two-port network, and have transmit-receive sharing function, message capacity doubles.For four port transmit-receive sharing circular polarization microwave networks, its major function has 3, i.e. polarization separation, frequency separation and circular polarization synthesis.From empirically talking, what can realize transmit-receive sharing four port form mainly contains following mode:
The first, adopt waveguide wave separator sidewall coupling low end frequency, the form that high end frequency is straight-through, sidewall need add low pass filter, and straightthrough port optionally adds high pass filter, and connects orthogonal device and realize polarization separation.This is more common form, frequency can be realized be separated with polarization simultaneously, main shortcoming is that channel-splitting filter design difficulty is very large, especially transmitting-receiving frequency interval is less, higher mode suppresses more difficult in addition, and channel-splitting filter changeover portion processing technology is complicated, and overall microwave network framework is larger, design comparatively too fat to move, lack aesthetic feeling.
The second, adopt waveguide wave separator sidewall couples high frequency frequency, Frequency leads directly to output form, and sidewall adds high pass filter, and straightthrough port adds low pass filter.Its operation principle and Problems existing and upper a kind of form class seemingly, but in form can be compacter, and bandwidth is larger.
3rd, adopt the mode that orthogonal polarization is successively separated with transmitting-receiving frequency.Which is compared to two kinds above, and form is attractive in appearance, compact conformation, and parts design handling ease has very high application prospect, but four port networks of traditional design mostly are unsymmetric structure, are unfavorable for the realization of circular polarization function.
Utility model content
The utility model is solve current microwave network to design the narrower problem being unfavorable for circular polarization functional realiey of too fat to move bandwidth, and provide a kind of Ka frequency range broadband four port microwave network that can realize simultaneously receiving and dispatching circularly polarized signal, to realize the advantage such as ultra broadband, low axial ratio, high-isolation, loss is little, standing-wave ratio is little, power capacity is large, handling ease.
The technical solution of the utility model is achieved in that
Ka broadband circular polarization four port microwave network, comprise two frequency diplexers 2, low frequency wave conducting bridge 3 and high frequency waveguide electric bridge 4, it also comprises, delivery outlet parallel and etc. the Ka broadband orthomode coupler 1 of phase, two waveguide outlet of Ka broadband orthomode coupler 1 respectively connect a frequency diplexer 2, two wideband frequency duplexers 2 become mirror image to distribute about the plane of symmetry of two waveguide outlet of Ka broadband orthomode coupler 1, the straightthrough port of two frequency diplexers is connected one to one with two waveguide mouths of low frequency wave conducting bridge respectively, the outlet of the sidewall branch road of two frequency diplexers is connected one to one with two waveguide mouths of high frequency waveguide electric bridge respectively, the plane of symmetry of two waveguide outlet of described low frequency wave conducting bridge 3 and the plane of symmetry of high frequency waveguide electric bridge 4 and Ka broadband orthomode coupler 1 is perpendicular.
Further, also comprise microwave network support, this network bracket is by the shroud 71 of opposing parallel setting, hub disk 72 and front, hub disk 71, many that are provided with between 72 parallel pole compositions, the common port of described Ka broadband orthomode coupler 1 embeds in the reserved round mouth of shroud 71, described low frequency wave conducting bridge 3 and the waveguide outlet of high frequency waveguide electric bridge 4 are all embedded in the corresponding rectangular opening of hub disk 72, two described frequency diplexers 2, low frequency wave conducting bridge 3 is connected with the screw on incline with reinforcement pole 73 surface by respective outer surface center screw with high frequency waveguide electric bridge 4.
Further, described frequency diplexer 2 is made up of T-shaped point of wave head, high frequency ladder transition, low frequency ladder transition, waveguide bend and low pass filter, T-shaped point of described wave head is three port organizations of one-to-two, T connector center is provided with taper match block, wherein departing from taper match block straightthrough port far away is common port, another straightthrough port connects successively form low frequency branch road with low pass filter, low frequency ladder transition shape, and the sidewall of T-shaped point of wave head connects high frequency ladder transition by opening magnetic coupling mode and waveguide bend forms high frequency branch road formation high frequency branch road.
Further, the spacing of the spacing of two input ports of low frequency wave conducting bridge 3 and two input ports of high frequency waveguide electric bridge 4 is equal, and the waveguide bridge center coupling regime of the two is ladder gradual change coupling symmetrical structure.
Further, described low frequency wave conducting bridge 3 is 3dB90 °, BJ220 broadband waveguide bridge; Described high frequency waveguide electric bridge 4 is 3dB90 °, BJ260 broadband waveguide bridge.
Further, described Ka broadband orthomode coupler 1 comprises cross and divides wave head 11, described cross divides on four of wave head 11 waveguide outlet and all connects first-class phase waveguide bend 12, wherein be in same rectilinear direction two waveguide outlet on phase waveguide bend 12 one-tenth symmetric relations such as connect two, often pair becomes the waveguide mouth of the phase waveguide bends 12 such as two of symmetric relation all to converge in a T-shaped synthesis 13, T-shaped synthesis wherein 13 is connected to 45 ° along waveguide twists 15, another T-shaped synthesis 13 is connected to 45 ° of inverse waveguide twists 14, the described 45 ° waveguide mouths along waveguide twist 15 and 45 ° of inverse waveguide twists 14 are positioned at same plane.
Further, described cross divides wave head 11 by being stacked the circular waveguide 16 fixing through positioning welding up and down and impedance matching block 17 forms, be provided with square match block step in the central authorities of impedance matching block 17, the symmetry axis of square match block step of described impedance matching block 17 and the axis of the waveguide cavity of circular waveguide 16 coincide.
Further, there is corner cut the position that four branch roads bottom described circular waveguide 16 intersect.。
The utility model tool compared with background technology has the following advantages:
1, the utility model has been abandoned and has been beneficial to the working method that channel-splitting filter is separated polarization and frequency simultaneously in the past, adopt and be first separated polarization with broadband orthomode coupler, work by the mode of frequency diplexer cross frequence again, working mechanism is clear, structure is simple, be easy to processing and assembling, good looking appearance, suitable batch is produced and engineer applied;
2, the utility model middle width strip orthomode coupler electrical structure and physical structure full symmetric, can ensure that after rate of connections duplexer microwave signal etc. exports mutually, is conducive to the synthesis of follow-up microwave device and circularly polarised wave;
3, the utility model middle width strip orthomode coupler is the design of Ka Whole frequency band, by designing frequency diplexer and the 3dB electric bridge of corresponding characteristic frequency, can realize different combination of frequencies.And it should be noted that after removing two 3dB electric bridges, this four port network just becomes complete linear polarization four port network.
4, due to structural symmetry and the working mechanism of each device, the utility model can realize transmitting-receiving frequency four port signal transmit-receive sharing function simultaneously;
5, the utility model electrical specifications is excellent, has low axial ratio, ultra broadband characteristic, low standing wave, the characteristic of low insertion loss, high isolation;
6, the utility model principle is simple, structure is attractive in appearance, it is easy to design, be easy to processing, can meet the design requirement of nearly all Ka communication circular polarized antenna.
Accompanying drawing explanation
Fig. 1 is system configuration schematic diagram of the present utility model;
Fig. 2 is the structural representation of broadband orthomode coupler in the utility model;
Fig. 3 is the structural representation that in the utility model, cross divides wave head;
Fig. 4 is the front view of broadband frequency diplexer;
Fig. 5 is broadband frequency diplexer A-A place cross section cut-away view in Fig. 4;
Fig. 6 is the front view of the utility model medium and low frequency waveguide bridge;
Fig. 7 is Fig. 6 medium and low frequency waveguide bridge B-B place cross section cut-away view;
Fig. 8 is microwave network supporting structure schematic diagram in the utility model;
Fig. 9 is the schematic diagram that in the utility model, microwave network strengthens pole;
Description of reference numerals: Ka broadband orthomode coupler 1, frequency diplexer 2, low frequency wave conducting bridge 3, high frequency waveguide electric bridge 4, first straight wave guide 5, second straight wave guide 6, microwave network support 7, cross divide wave head 11, etc. curved 12, the T-shaped synthesis of phase waveguide bend 13,45 ° along the inverse waveguide twist 15 of waveguide twists 14,45 °, circular waveguide 16, impedance matching block 17, shroud 71, hub disk 72, strengthen pole 73.
Embodiment
Below in conjunction with accompanying drawing 1 ~ Fig. 9, the utility model is described further:
As shown in Figure 1, Ka broadband circular polarization four port microwave network, comprise two frequency diplexers 2, low frequency wave conducting bridge 3 and high frequency waveguide electric bridge 4, microwave network support 7 parallel with delivery outlet and etc. the Ka broadband orthomode coupler 1 of phase, described microwave network support 7 is by the shroud 71 of opposing parallel setting, hub disk 72 and front, hub disk 71, many that are provided with between 72 parallel pole compositions, described Ka broadband orthomode coupler 1 is connected with shroud 71, the common port of Ka broadband orthomode coupler 1 embeds in the reserved round mouth of shroud 71, described low frequency wave conducting bridge 3 is connected with hub disk 72 with high frequency waveguide electric bridge 4, the waveguide outlet of low frequency wave conducting bridge 3 and high frequency waveguide electric bridge 4 is all embedded in the corresponding rectangular opening of hub disk 72.The outer surface center screw of two described frequency diplexers 2 is connected with corresponding reinforcement pole 73 small-sized plane center screw separately, described low frequency wave conducting bridge 3 and the waveguide outlet of high frequency waveguide electric bridge 4 are all embedded in the corresponding rectangular opening of hub disk 72, strengthen pole 73 for two and are solidly installed by 3 kinds of devices by the screw at the screw on incline, low frequency wave conducting bridge and high frequency waveguide electric bridge outer surface center.
As shown in Figure 2, described Ka broadband orthomode coupler 1 comprises cross and divides wave head 11, described cross divides on four of wave head 11 waveguide outlet and all connects first-class phase waveguide bend 12, wherein be in phase waveguide bend 12 one-tenth symmetric relations such as two that two waveguide outlet in same rectilinear direction connect, often pair becomes the waveguide mouth of the phase waveguide bends 12 such as two of symmetric relation all to converge in a T-shaped synthesis 13.And two the 45 ° waveguide twist rectangular waveguide Way outs that T-shaped synthesis connects for 13 times are consistent, when facing broadband orthomode coupler along circular waveguide 16 waveguide mouth normal direction, if two waveguide twists are in the below of circular waveguide and waveguide outlet broadside is just placed along horizontal line direction, then the waveguide twist of circular waveguide lower left is 45 ° of inverse waveguide twists, and the bottom-right waveguide twist of circular waveguide is 45 ° of suitable waveguide twists.
As shown in Figure 3, described cross divides wave head 11 by being stacked the circular waveguide 16 fixing through positioning welding up and down and impedance matching block 17 forms, square match block step is provided with in the central authorities of impedance matching block 17, the symmetry axis of square match block step of described impedance matching block 17 and the axis of the waveguide cavity of circular waveguide 16 coincide, and there is corner cut the position that four branch roads bottom described circular waveguide 16 intersect.。
As shown in Figure 4, Figure 5, described frequency diplexer (2) is made up of T-shaped point of wave head, high frequency ladder transition, low frequency ladder transition, waveguide bend and low pass filter, T-shaped point of described wave head is three port organizations of one-to-two, T connector center is provided with taper match block, wherein departing from taper match block straightthrough port far away is common port, another straightthrough port connects successively form low frequency branch road with low pass filter, low frequency ladder transition shape, and the sidewall of T-shaped point of wave head connects high frequency ladder transition by opening magnetic coupling mode and waveguide bend forms high frequency branch road formation high frequency branch road.
As shown in Figure 6, Figure 7, the spacing of the spacing of two input ports of described low frequency wave conducting bridge 3 and two input ports of high frequency waveguide electric bridge 4 is equal, and the waveguide bridge center coupling regime of the two is ladder gradual change coupling symmetrical structure.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7,45 ° of waveguide outlet along waveguide twist 14 and 45 ° of inverse waveguide twists 15 of described Ka broadband orthomode coupler 1 are respectively connected to a frequency diplexer 2, two wideband frequency duplexer 2 outer surface center screws are fixed on the reinforcement pole of microwave network support 7, and two wideband frequency duplexers 2 become mirror image to distribute about the plane of symmetry of two waveguide outlet of Ka broadband orthomode coupler 1.The straightthrough port of one of them frequency diplexer 2 is switched on the waveguide mouth of low frequency wave conducting bridge 3 by the first straight wave guide 5, and the sidewall exit of this frequency diplexer 2 is switched on the waveguide mouth of high frequency waveguide electric bridge 4 by the second straight wave guide 6; The straightthrough port of another frequency diplexer 2 is also switched on the waveguide mouth of low frequency wave conducting bridge 3 by the first straight wave guide 5, and the sidewall exit of this frequency diplexer 2 is switched on the waveguide mouth of high frequency waveguide electric bridge 4 by the second straight wave guide 6.The plane of symmetry of two waveguide outlet of described low frequency wave conducting bridge 3 and the plane of symmetry of high frequency waveguide electric bridge 4 and Ka broadband orthomode coupler 1 is perpendicular.
Described low frequency wave conducting bridge 3 is 3dB90 °, BJ220 broadband waveguide bridge; Described high frequency waveguide electric bridge 4 is 3dB90 °, BJ260 broadband waveguide bridge.
Described broadband transmit-receive sharing circular polarization network, relative bandwidth reaches 54%, its electrical structure and physical structure full symmetric, and it should be noted that after removing low frequency wave conducting bridge BJ220 broadband 3dB waveguide bridge 3 and high frequency waveguide electric bridge BJ260 broadband 3dB waveguide bridge 4 be just complete linear polarization four port transmit-receive sharing microwave network.
The spiral shell that each described parts add sealing ring by negative and positive flange connects the air-tightness design that mode ensures broadband orthomode coupler.
Below in conjunction with Fig. 1 ~ Fig. 9, use mechanism of the present utility model is described:
When feed receives vertical-horizontal polarized wave TE11 mould by Ka wideband orthogonal device 1, first wave head 11 is divided to be 2 parts by horizontal or vertical polarized wave energy in part through cross, enter corresponding perpendicular polarization or the horizontal polarization branch road i.e. phase waveguide bends 12 such as 4, electromagnetic wave is the TE10 mould in rectangular waveguide by the main mould TE11 moding of circular waveguide, then realize again uniting two into one of 2 portion of energy in T-shaped synthesis 13 position for correspondence, realize the consistent of vertically polarized wave and horizontal polarized wave polarised direction finally by 45 ° along the inverse waveguide twist 15 of waveguide twists 14 or 45 °.Then, two-way orthogonally polarized signal is connected like-polarized high and low frequency Signal separator with a wideband frequency duplexer 2 separately.Finally, the low frequency signal separated from two wideband frequency duplexers 2 synthesizes left-handed (dextrorotation) circularly polarized signal through low frequency 3dB waveguide bridge (3), and high-frequency signal synthesizes left-handed (dextrorotation) circularly polarized signal through high frequency 3dB waveguide bridge (4).
Concrete, after the two-way orthogonal signalling again united two into one arrive wideband frequency duplexer 2 separately, the transmitting-receiving frequency signal of same polarization is realized high purity separation.The straightthrough port of frequency diplexer 2 comprises a fold low pass filter, this filter ensures the degree of suppression requirement to tranmitting frequency by the number of adjustment tooth cavity, the result of our design is tooth cavity number is 9,60dB is better than to high-frequency suppressing degree, exports and be transitioned into standard BJ220 waveguide mouth by 3 grades of staircase match.Sidewall is high-frequency coupling branch road, and in order to standing wave coupling is good, sidewall branch road adopts 5 grades of ladder transitions to make high-frequency coupling outlet transition to BJ260 standard waveguide mouth size.At this frequency-duplex coupled T-type structure position, we devise taper matching unit, fact proved that the interpolation of this structure has vital effect for the coupling of low frequency and high frequency branch road.As shown in Figure 5, this kind of integrated design model is easy to processing, and structure is attractive in appearance compact, and consistency is better.
Described BJ220 (BJ260) broadband 3dB waveguide bridge 34 structure as shown in Figure 6, Figure 7, processing mode and frequency diplexer 2 similar, be easy to processing, ensure that the processing consistency of waveguide bridge.Because bridge design bandwidth is comparatively large, adopt special multistage ladder gradual change coupled structure in electric bridge center coupled section.From electrically considering, electric bridge is four port symmetrical structures, from the microwave signal of wherein arbitrary port input, suddenly can strengthen due to coupling unit wave-guide cavity wave width in central area, encourage TE20 mould, from design theory, by reasonable disposition coupled section length L, when electromagnetic transmission can be made to arrive coupled section end, the transmission difference of TE10 mould and TE20 mould is 90 °, now two ports output electric field strength of input signal opposite are equal, be-3dB, and difference is 90 °, the signal syntheses that well-known two-way constant amplitude differs 90 ° just can form circularly polarised wave, in like manner, the circularly polarised wave that feed receives also can be resolved into the orthogonal linear polarization signal of two-way by 3dB electric bridge conversely.
Described 2 BJ220 standard straight waveguide 5 and 2 BJ260 standard straight waveguide 6 are the adjustable waveguide through punching, and as shown in Figure 1, their existence can promote the comprehensive electrical measurement result of this four ports microwave network as much as possible.
As shown in Figure 8, on the basis of traditional microwave network bracket design, we add the design of 2 poles 73 to described Ka circular polarization four port microwave network support 7.It should be noted that 2 3dB waveguide bridges 34 and 2 frequency diplexers 2 can well be fixed together by these two poles 73, ensure that the joint-trial initial stage, the structural strength especially when four port networks other network poles unassembled and plate.
Claims (8)
1.Ka broadband circular polarization four port microwave network, comprise two frequency diplexers (2), low frequency wave conducting bridge (3) is characterized in that with high frequency waveguide electric bridge (4): also comprise delivery outlet parallel and etc. the Ka broadband orthomode coupler (1) of phase, two waveguide outlet of Ka broadband orthomode coupler (1) respectively connect a frequency diplexer (2), two wideband frequency duplexers (2) become mirror image to distribute about the plane of symmetry of two waveguide outlet of Ka broadband orthomode coupler (1), the straightthrough port of two frequency diplexers is connected one to one with two waveguide mouths of low frequency wave conducting bridge respectively, the outlet of the sidewall branch road of two frequency diplexers is connected one to one with two waveguide mouths of high frequency waveguide electric bridge respectively, the plane of symmetry of two waveguide outlet of described low frequency wave conducting bridge (3) and the plane of symmetry of high frequency waveguide electric bridge (4) and Ka broadband orthomode coupler (1) is perpendicular.
2. Ka broadband circular polarization four port microwave network according to claim 1, it is characterized in that: also comprise microwave network support (7), this network bracket is by the shroud (71) of opposing parallel setting, hub disk (72) and front, hub disk (71, 72) many that are provided with between parallel pole compositions, the common port of described Ka broadband orthomode coupler (1) embeds in the reserved round mouth of shroud (71), described low frequency wave conducting bridge (3) and the waveguide outlet of high frequency waveguide electric bridge (4) are all embedded in the corresponding rectangular opening of hub disk (72), two described frequency diplexers (2), low frequency wave conducting bridge (3) is connected with the screw on incline with reinforcement pole (73) surface by respective outer surface center screw with high frequency waveguide electric bridge (4).
3. Ka broadband circular polarization four port microwave network according to claim 1, it is characterized in that: described frequency diplexer (2) is by T-shaped point of wave head, high frequency ladder transition, low frequency ladder transition, waveguide bend and low pass filter composition, T-shaped point of described wave head is three port organizations of one-to-two, T connector center is provided with taper match block, wherein departing from taper match block straightthrough port far away is common port, another straightthrough port and low pass filter, low frequency ladder transition shape connects successively and forms low frequency branch road, the sidewall of T-shaped point of wave head connects high frequency ladder transition by opening magnetic coupling mode and waveguide bend forms high frequency branch road formation high frequency branch road.
4. Ka broadband circular polarization four port microwave network according to claim 1, it is characterized in that: the spacing of the spacing of two input ports of low frequency wave conducting bridge (3) and two input ports of high frequency waveguide electric bridge (4) is equal, the waveguide bridge center coupling regime of the two is ladder gradual change coupling symmetrical structure.
5. Ka broadband circular polarization four port microwave network according to claim 1, is characterized in that: described low frequency wave conducting bridge (3) is 3dB90 °, BJ220 broadband waveguide bridge; Described high frequency waveguide electric bridge (4) is 3dB90 °, BJ260 broadband waveguide bridge.
6. Ka broadband circular polarization four port microwave network according to claim 1, it is characterized in that: described Ka broadband orthomode coupler (1) comprises cross and divides wave head (11), described cross divides on four waveguide outlet of wave head (11) and all connects first-class phase waveguide bend (12), wherein be in same rectilinear direction two waveguide outlet on the phase waveguide bends (12) such as connect two become symmetric relation, often pair becomes the waveguide mouth of the phase waveguide bends (12) such as two of symmetric relation all to converge on a T-shaped synthesis head (13), a T-shaped synthesis head (13) is connected to 45 ° wherein along waveguide twist (15), another T-shaped synthesis head (13) is connected to 45 ° of inverse waveguide twists (14), the described 45 ° waveguide mouths along waveguide twist (15) and 45 ° of inverse waveguide twists (14) are positioned at same plane.
7. Ka broadband circular polarization four port microwave network according to claim 6, it is characterized in that: described cross divides wave head (11) by being stacked the circular waveguide (16) fixing through positioning welding up and down and impedance matching block (17) forms, be provided with square match block step in the central authorities of impedance matching block (17), the axis of the symmetry axis of the square match block step of described impedance matching block (17) and the waveguide cavity of circular waveguide (16) coincides.
8. Ka broadband circular polarization four port microwave network according to claim 7, is characterized in that: there is corner cut the position that four branch roads of described circular waveguide (16) bottom intersect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520779138.6U CN204966649U (en) | 2015-10-10 | 2015-10-10 | Four port microwave network of ka broadband circular polarization |
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| CN201520779138.6U CN204966649U (en) | 2015-10-10 | 2015-10-10 | Four port microwave network of ka broadband circular polarization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186085A (en) * | 2015-10-10 | 2015-12-23 | 中国电子科技集团公司第五十四研究所 | Ka-frequency-band broadband circularly-polarized four-port microwave network |
| CN109473772A (en) * | 2018-12-28 | 2019-03-15 | 四川睿迪澳科技有限公司 | Dual polarization ultra-wideband antenna |
| CN110444848A (en) * | 2019-07-17 | 2019-11-12 | 安徽蓝讯电子科技有限公司 | A kind of 5G waveguide coupler with water-proof function |
-
2015
- 2015-10-10 CN CN201520779138.6U patent/CN204966649U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186085A (en) * | 2015-10-10 | 2015-12-23 | 中国电子科技集团公司第五十四研究所 | Ka-frequency-band broadband circularly-polarized four-port microwave network |
| CN105186085B (en) * | 2015-10-10 | 2018-06-08 | 中国电子科技集团公司第五十四研究所 | Four port Microwave Net of Ka broadbands circular polarisation |
| CN109473772A (en) * | 2018-12-28 | 2019-03-15 | 四川睿迪澳科技有限公司 | Dual polarization ultra-wideband antenna |
| CN109473772B (en) * | 2018-12-28 | 2024-03-26 | 四川睿迪澳科技有限公司 | Dual polarized ultra wideband antenna |
| CN110444848A (en) * | 2019-07-17 | 2019-11-12 | 安徽蓝讯电子科技有限公司 | A kind of 5G waveguide coupler with water-proof function |
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