CN106569234A - GPS navigation anti-interference A/D chip and receiving chip - Google Patents

Abstract

The invention provides an anti-jamming A/D chip and a receiving chip for GPS navigation, including a GPS satellite and a receiver connected to the GPS satellite, the receiver is provided with an anti-jamming A/D chip, the receiver is connected with a receiving chip, and The chip is composed of a power divider and a radio frequency module. The power divider is connected to one end of the receiver, the radio frequency module is connected to one end of the control center, and the receiving chip is equipped with a voltage generator. In the present invention, when the signal of the receiver is interfered, the anti-jamming processor eliminates some electromagnetic waves of the jamming signal, which improves the stability of signal receiving and processing, and detects the strength of the signal through the anti-jamming detection module, and displays the It is displayed on the screen for people's reference, so that people can clearly know the strength of the GPS satellite signal in the existing road section; the user installs a receiving chip on the terminal, which helps people understand the surrounding traffic in real time, and relieves people in the process of traffic congestion. mood.

Description

An anti-jamming A/D chip and receiving chip for GPS navigation

technical field

The invention relates to a GPS navigation, in particular to a GPS navigation chip.

Background technique

In the early days, GPS technology was widely used in military land, sea and air navigation, fixed-point bombing and ship-borne missile guidance. Especially in the Gulf War in 1991, the US military's missiles accurately hit long-range targets under the navigation of the satellite positioning system, which left a deep impression on the world. Since then, GPS technology, also known as satellite navigation technology, has attracted attention. With the opening of GPS technology to civilian use, the huge business opportunities it contains have been unearthed. In developed countries such as Europe and the United States, the annual benefits of the GPS industry have reached tens of billions of dollars. Especially with the integrated miniaturization of satellite navigation receivers, various personal information terminals that integrate communications, computers, and GPS appear. It is satellite navigation technology that has moved from professional applications to the public and has become the third largest information industry after communications and the Internet. It is a new growth point and an important part of the country's comprehensive national strength.

With the increasing development of the economy, the problem of traffic congestion is becoming more and more serious, because traffic problems seriously affect people's daily life and work is a problem that almost every group of people living in cities must face. Therefore, in the GPS satellite positioning system Now that the development is immature, it is necessary to design and develop a client terminal that can receive road traffic information and make full use of the GPS satellite positioning system; the signal from the satellite navigation signal to the receiving antenna is very weak, usually submerged in noise, and extremely It is susceptible to interference from external interference signals and harmonics of the same frequency. In severe cases, the satellite navigation system cannot be used normally, causing a lot of inconvenience to people in use.

Contents of the invention

The technical problem to be solved by the present invention is to overcome existing defects, provide an anti-jamming A/D chip and receiving chip for GPS navigation, use the receiving chip to help people understand the surrounding traffic in real time, and relieve people in the process of traffic congestion. emotions, using the anti-jamming A/D chip improves the stability of signal receiving and processing, which can effectively solve the problems in the background technology.

In order to solve the problems of the technologies described above, the present invention provides the following technical solutions:

The invention provides an anti-jamming A/D chip and a receiving chip for GPS navigation, including a GPS satellite and a receiver connected to the GPS satellite, the receiver is provided with an anti-jamming A/D chip, the receiver is connected with a receiving chip, and the receiving chip It consists of a power divider and a radio frequency module. The power divider is connected to one end of the receiver, the radio frequency module is connected to one end of the control center, and a voltage generator is installed on the receiving chip.

As a preferred technical solution of the present invention, the receiver is arranged on the moving carrier, and several receivers are arranged around the moving carrier.

As a preferred technical solution of the present invention, the anti-interference A/D chip is composed of an anti-interference detection module and an anti-interference processor, and the anti-interference detection module is connected with a display screen.

As a preferred technical solution of the present invention, the voltage generator generates I/O voltage, nuclear voltage, and RF voltage, thereby providing sufficient voltage for the I/O serial port unit, central control processor unit, and radio frequency unit.

As a preferred technical solution of the present invention, the GPS satellite is connected to the receiver through electromagnetic waves.

Compared with the prior art, the beneficial effects achieved by the present invention are: when the signal of the receiver is disturbed, the present invention eliminates some electromagnetic waves of the disturbing signal through the anti-jamming processor, thereby improving the stability of signal receiving and processing, The anti-jamming processor is connected to the anti-jamming detection module, and the strength of the signal is detected by the anti-jamming detection module, and the strength of the signal is displayed on the display screen for people's reference, so that people can clearly know the strength of the GPS satellite signal on the existing road section Weak; the user installs the receiving chip on the terminal to realize intelligent positioning, receive real-time road traffic information, and send traffic management system to inquire about road congestion, which provides a good source of information for the realization of intelligent transportation and helps People understand the traffic around them in real time, which relieves people's emotions in the process of traffic jams.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention.

In the attached picture:

Fig. 1 is the system schematic diagram of the anti-jamming A/D chip of a kind of GPS navigation of the present invention and receiving chip;

Fig. 2 is the schematic diagram of motion carrier of the present invention;

Labels in the figure: 1, GPS satellite; 2, receiver; 3, receiving chip; 4, control center; 5, radio frequency module; 6, power divider; 7, voltage generator; 8, anti-jamming processor; 9, Anti-jamming detection module; 10. Anti-jamming A/D chip; 11. Display screen; 12. Motion carrier.

detailed description

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Embodiment: as shown in Figure 1-2, the present invention provides a kind of anti-jamming A/D chip of GPS navigation and receiving chip, comprise GPS satellite 1 and GPS satellite 1 and receiver 2 that is connected by electromagnetic wave, set on receiver 2 There is an anti-interference A/D chip 10, the receiver 2 is connected with a receiving chip 3, the receiving chip 3 is composed of a power divider 6 and a radio frequency module 5, the power divider 6 is connected to one end of the receiver 2, and the radio frequency module 5 is connected to the control One end of the center 4 is provided with a voltage generator 7 on the receiving chip 3 .

The receiver 2 is arranged on the moving carrier 12, and several receivers 2 are arranged around the moving carrier 12, and the plurality of receivers 2 can be positioned more accurately.

Anti-jamming A/D chip 10 is made up of anti-jamming detection module 9 and anti-jamming processor 8, and anti-jamming detecting module 9 is connected with display screen 11, some electromagnetic waves of jamming signal are eliminated by anti-jamming processor 8, improve signal The stability of the receiving process, the display screen 11 shows the strength of the signal for people's reference, so that people can clearly know the strength of the GPS satellite 1 signal in the existing road section.

Voltage generator 7 produces I/O voltage, core voltage, RF voltage, thereby provides sufficient voltage for I/O serial port unit, central control processor unit, radio frequency unit, and voltage generator 7 provides voltage to chip and each on chip electrical unit.

Working principle: First, the receiver 2 receives the signal transmitted by the GPS satellite 1. When the signal is interfered, the anti-interference processor 8 eliminates some electromagnetic waves of the interfering signal, which improves the stability of signal receiving and processing, and anti-interference processing The device 8 is connected to the anti-interference detection module 9, and the strength of the signal is detected by the anti-interference detection module 9, because the anti-interference detection module 9 is electrically connected with the display screen 11, so the strength of the signal is displayed by the display screen 11 for people Reference, so that people can clearly know the strength of the GPS satellite 1 signal in the existing road section; At one end, the radio frequency module 5 is connected to one end of the control center 4. The receiving chip 3 is provided with a voltage generator 7. The control center 4 performs target location navigation, and at the same time receives road traffic information in real time, and can also send inquiries to the traffic management system in real time. Condition.

In the present invention, when the signal of the receiver 2 is interfered, some electromagnetic waves of the interference signal are eliminated by the anti-interference processor 8, which improves the stability of signal receiving and processing. The anti-interference processor 8 is connected to the anti-interference detection module 9, through The anti-jamming detection module 9 detects the strength of the signal, which is displayed by the display screen 11 for people's reference, so that people can clearly know the strength of the existing road section GPS satellite 1 signal; the user installs the receiving chip 3 on the terminal, It can realize intelligent positioning, receive real-time road traffic information, and send inquiries about road congestion to the traffic management system. Emotions during a traffic jam.

Finally, it should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (5)

1. a kind of anti-interference A/D chips of GPS navigation and receive chip, including gps satellite (1) with And the receptor (2) of gps satellite (1) connection, it is characterised in that the receptor (2) Anti-interference A/D chips (10) are provided with, the receptor (2) is connected with reception chip (3), institute State reception chip (3) to be made up of splitter (6) and radio-frequency module (5), the splitter (6) One end of the receptor 2 is connected to, the radio-frequency module (5) is connected to control centre (4) One end, the reception chip (3) is provided with voltage generator (7).

2. a kind of anti-interference A/D chips of GPS navigation according to claim 1 and receive chip, Characterized in that, the receptor (2) is arranged on motion carrier (12), the motion carrier (12) It is formed around some receptors (2).

3. a kind of anti-interference A/D chips of GPS navigation according to claim 1 and receive chip, Characterized in that, the anti-interference A/D chips (10) are by anti-interference detection module (9) and anti-interference Processor (8) is constituted, and the anti-interference detection module (9) is connected with display screen (11).

4. a kind of anti-interference A/D chips of GPS navigation according to claim 1 and receive chip, Characterized in that, the voltage generator (7) produces I/O voltages, core voltage, RF voltages, from And provide enough voltage for I/O serial port units, central control processor unit, radio frequency unit.

5. a kind of anti-interference A/D chips of GPS navigation according to claim 1 and receive chip, Characterized in that, the receptor (2) that the gps satellite (1) is connected by electromagnetic wave.