CN114283667A - Maintenance teaching device of satellite navigation receiver - Google Patents
Maintenance teaching device of satellite navigation receiver Download PDFInfo
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- CN114283667A CN114283667A CN202111356960.8A CN202111356960A CN114283667A CN 114283667 A CN114283667 A CN 114283667A CN 202111356960 A CN202111356960 A CN 202111356960A CN 114283667 A CN114283667 A CN 114283667A
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- 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
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Abstract
The invention belongs to the field of teaching aids, and particularly relates to a maintenance teaching device of a satellite navigation receiver. In order to solve the technical problem, the application provides a maintenance teaching device of a satellite navigation receiver. The device is through carrying out the module to the receiver and separating to the module after will separating is pegged graft on overhauing the bottom plate, and sets up the tie point on the module surface that separates, makes when teaching, the concrete structure of understanding receiver that the student can be better, has set up the tie point on the module of separating simultaneously, and the student can be when teaching connect measuring instrument on the tie point easily, has realized detecting each module in the receiver.
Description
Technical Field
The invention belongs to the field of teaching aids, and particularly relates to a maintenance teaching device of a satellite navigation receiver.
Background
At present, satellite navigation is widely applied to a plurality of fields of transportation, marine fishery, hydrological monitoring, meteorological forecasting, forest fire prevention, communication systems, power dispatching, disaster relief and reduction and the like.
Teaching equipment for a satellite navigation receiver does not keep pace with a satellite navigation system, and the composition structure of the navigation receiver cannot be visually displayed only by the conventional navigation receiver in the satellite navigation teaching process. Moreover, because the existing navigation receiver has higher integration level, the existing navigation receiver has much inconvenience in the aspect of being used as a teaching aid and can greatly influence the teaching quality.
Disclosure of Invention
In order to solve the technical problem, the application provides a maintenance teaching device of a satellite navigation receiver. The device is through carrying out the module to the receiver and separating to the module after will separating is pegged graft on overhauing the bottom plate, and sets up the tie point on the module surface that separates, makes when teaching, the concrete structure of understanding receiver that the student can be better, has set up the tie point on the module of separating simultaneously, and the student can be when teaching connect measuring instrument on the tie point easily, has realized detecting each module in the receiver.
The invention provides a maintenance teaching device of a satellite navigation receiver, which comprises: the system comprises a maintenance bottom plate, an antenna module, a radio frequency module, a baseband module, a resolving module, a clock module, a power supply module and an interface module; the maintenance base plate is provided with a double-row type socket, and a connecting circuit is arranged in the maintenance base plate; the antenna module, the radio frequency module, the baseband module, the resolving module, the clock module, the power module and the interface module are separately plugged into the plug-in port; the connecting circuit is used for connecting the antenna module, the radio frequency module, the baseband module, the resolving module, the clock module, the power supply module and the interface module; the antenna module, the radio frequency module, the baseband module, the resolving module, the clock module, the power module and the interface module are respectively provided with a connecting point, and the connecting points are used for connecting a detection instrument.
In some embodiments, the service teaching device of the satellite navigation receiver further comprises a reference receiver; the reference receiver is mounted on the service floor for detecting environmental satellite signals.
In some embodiments, the connection points include a voltage test connection point and a signal test connection point.
In some embodiments, the power module comprises: the radio frequency power supply module is inserted on the maintenance bottom plate and used for supplying power to the radio frequency module; and the baseband power supply module is inserted on the maintenance bottom plate and used for supplying power to the baseband module.
In some embodiments, the antenna module, the radio frequency module, the baseband module, the resolution module, the clock module, the power module, and the interface module are of two types, including: a normal working model and a fault model.
In some embodiments, the method of operating the radio frequency module comprises the steps of: filtering the received antenna signal; amplifying the signal through low-noise amplification; carrying out frequency conversion processing on the amplified signal, and converting the signal into an analog intermediate frequency signal; and converting the analog intermediate frequency signal into a digital intermediate frequency signal and outputting the digital intermediate frequency signal to the baseband module.
In some embodiments, the data output by the resolving module is TTL serial data.
In some embodiments, the interface module converts the data output by the resolving module to 232 level or 422 level.
In some embodiments, the detection instrument comprises: multimeters, frequency spectrometers, and oscilloscopes. The universal meter is used for being connected with the voltage test connection point; and the frequency spectrograph and the oscilloscope are used for being connected with the signal test connection point.
In some embodiments, the satellite navigation system that can be received by the receiver composed of the service bottom plate, the antenna module, the radio frequency module, the baseband module, the resolving module, the clock module, the power supply module and the interface module includes: the Beidou satellite navigation System (BDS), Galileo satellite navigation System (GALILEO), Global navigation satellite System (GPS), and Glonass satellite navigation System (GLONASS). .
The beneficial effects created by the invention are as follows: the receiver is connected to the overhaul bottom plate in an inserting mode after module separation is carried out on the receiver, and the receiver with complete functions is formed. But because the teaching device of this application is discrete each module of receiver, and can dismantle at will, so when the teaching, the student can be better know the concrete structure of receiver. Meanwhile, the connection points are arranged on the discrete modules, so that students can easily connect the measuring instrument to the connection points during teaching, the receiver can be detected under the condition that the operation of the receiver is not influenced, and the teaching purpose can be better completed.
Drawings
The scope of the present disclosure may be better understood by reading the following detailed description of exemplary embodiments in conjunction with the accompanying drawings. Wherein the included drawings are:
FIG. 1 is a schematic structural diagram of the teaching device;
FIG. 2 is a schematic diagram of an architecture with a reference receiver added;
in the figure: 1-maintenance bottom plate, 2-reference receiver, 31-interface module, 32-clock module, 33-power module, 34-radio frequency module, 35-baseband module, 36-resolving module and 37-antenna module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will describe in detail an implementation method of the present invention with reference to the accompanying drawings and embodiments, so that how to apply technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
The teaching purpose of the maintenance detection of the satellite navigation receiver is not facilitated to be realized due to the high integration level of the existing satellite navigation receiver. The application provides a satellite navigation receiver's maintenance teaching device. The device is through carrying out the module to the receiver and separating to the module after will separating is pegged graft on overhauing bottom plate 1, and sets up the tie point on the module surface that separates, makes when teaching, the student can be better understand the concrete structure of receiver, has set up the tie point on the module of separating simultaneously, and the student can be when teaching connect measuring instrument on the tie point easily, has realized detecting each module in the receiver.
As shown in fig. 1, an overhaul teaching device of a satellite navigation receiver includes: the maintenance base plate 1, the antenna module 37, the radio frequency module 34, the baseband module 35, the resolving module 36, the clock module 32, the power module 33 and the interface module 31. Wherein, the maintenance bottom plate 1 is provided with a double-row type interface, and the inside of the maintenance bottom plate 1 is provided with a connecting circuit. The antenna module 37, the radio frequency module 34, the baseband module 35, the calculation module 36, the clock module 32, the power module 33, and the interface module 31 are separately plugged into the socket. The connection circuit is used for connecting the antenna module 37, the radio frequency module 34, the baseband module 35, the resolving module 36, the clock module 32, the power supply module 33 and the interface module 31. The antenna module 37, the radio frequency module 34, the baseband module 35, the calculation module 36, the clock module 32, the power module 33, and the interface module 31 are respectively provided with connection points for connecting a detection instrument.
The present application plugs individual modules into the access panel 1 to form a fully functional receiver. But because the teaching device of this application is discrete each module of receiver, and can dismantle at will, so when the teaching, the student can be better know the concrete structure of receiver. Meanwhile, the connecting points are arranged on the modules, so that students can easily connect the measuring instrument to the connecting points during teaching, the receiver can be detected under the condition that the operation of the receiver is not influenced, and the teaching purpose can be better completed.
The functions of each separated module in the satellite navigation detection maintenance teaching are as follows:
the antenna module 37 is used for receiving satellite signals and sending the satellite signals to the radio frequency module 34.
The rf module 34 is responsible for filtering the received antenna signal through a filter, amplifying the antenna signal through a low noise amplifier, and then performing down-conversion processing to convert the signal into an analog if signal. The analog intermediate frequency signal is then converted to a digital intermediate frequency signal by an AD converter. The final digital if signal is sent to the baseband module 35 for subsequent processing.
The baseband module 35 is responsible for processing the digital intermediate frequency signals, and each channel thereof completes the operations of acquisition, tracking, despreading, demodulation and the like of each satellite signal in parallel.
The calculation module 36 includes a processor, and the processor can receive the original data such as navigation messages, pseudo codes, carrier phases and the like output by the baseband module 35, perform positioning calculation, output NMEA data generated by an interface through a serial port, and output TTL serial port data at the same time.
The NMEA data output analysis is realized by connecting a detection receiver with an RS-232 serial port on the detection and maintenance bottom plate 1, the navigation data in the NMEA0183 format continuously output by the Beidou receiver can be monitored through NEMA data, and visual information such as satellite signal distribution, satellite signal intensity, positioning position, speed and time can be analyzed through decoding software.
The clock module 32 is responsible for generating a 16M clock signal for use by other modules.
The interface module 31 is responsible for converting TTL serial data output by the calculation module 36 to 232 or 422 level, and outputting the TTL serial data as a final result of the receiver.
As shown in fig. 2, in some embodiments, the service teaching device of the satellite navigation receiver further comprises a reference receiver 2. A reference receiver 2 is mounted on the access panel 1 for detecting ambient satellite signals. The reference receiver 2 can detect the satellite signal condition of the current environment, and therefore smooth development of learning is guaranteed. Likewise, the reference receiver 2 can be used to detect whether there is a problem with the antenna feed and the antenna.
Take the receiver of the beidou satellite navigation system as an example. Each module that separates in this application is for big dipper radio frequency module 34, big dipper antenna module 37, big dipper baseband module 35, the big dipper of big dipper navigation satellite system receiver to module 36, clock module 32, power module 33 and interface module 31 are solved to the big dipper. Be provided with various tie points in wherein on each module based on beidou navigation system receiver, the student can be through connecting commonly used measuring instrument on the tie point, for example frequency spectrograph, universal meter and oscilloscope etc. alright get the operating condition of each module through measuring instrument, help the student the operating condition of receiver at each module of during operation, and can not influence the work of receiver. Each module is inserted on the maintenance bottom plate 1, and can be easily replaced without complex and precise operation. In view of the teaching environment, which may have a problem of weak environmental satellite signals, in the apparatus, a reference receiver 2 is further provided, and the environmental satellite signal problem can be known through the reference receiver 2. Similarly, the reference receiver 2 can be used to detect the Beidou antenna feeder and whether the Beidou antenna has a problem.
Such as: when the reference receiver 2 detects the environmental satellite signal, if the reference receiver 2 works normally for satellite receiving and positioning of the BDSB1 and the GPS L1, the environmental satellite signal state is normal, otherwise, the environmental satellite signal state is abnormal.
When the antenna feeder line is detected through the reference receiver 2, if the BDSB1 and the GPS L1 satellite receiving and positioning work of the reference receiver 2 is normal, the Beidou antenna feeder line is a qualified product, and otherwise, the Beidou antenna feeder line is a fault product.
When the antenna is detected through the reference receiver 2, if the BDSB1 and the GPS L1 are normally collected and positioned by the reference receiver 2, the Beidou antenna is a qualified product, and otherwise, the Beidou antenna is a failed product.
In order to better understand the roles of the various modules in the receiver. The antenna module 37, the radio frequency module 34, the baseband module 35, the calculation module 36, the clock module 32, the power module 33, and the interface module 31 all have two types, including: a normal working model and a fault model.
The fault models corresponding to the same module are also various and are designed for different faults respectively. Therefore, during teaching, students can better understand what faults happen to different modules and what influence is generated on the whole. Therefore, all the modules are inserted into the maintenance bottom plate 1, so that the modules can be replaced more conveniently, the teaching efficiency is improved, and unnecessary time consumption in teaching is reduced. Therefore, in the actual teaching, the teaching purpose can be realized by replacing the normal model of each module with the corresponding fault model.
In some embodiments, for convenience and simplicity of replacement, the modules are plugged into the service bottom plate 1 through double rows of pins.
In some embodiments, in order to better understand the operation status of each module in the receiver, connection points are provided on each module, and the connection points include a voltage test connection point and a signal test connection point.
In some embodiments, the detection instrument comprises: multimeters, frequency spectrometers, and oscilloscopes. The universal meter is used for being connected with the voltage test connection point; the frequency spectrograph and the oscilloscope are used for being connected with the signal test connection point.
The input signals, the pulse per second signals and the working voltage of each module can be detected through the connecting points and the detecting instrument.
Take the beidou receiver of the beidou navigation system as an example. When detecting Beidou radio frequency input signals. And detecting a radio frequency input port on the Beidou radio frequency module 34 by using a frequency spectrograph, carrying out in-band integral power measurement, if the BDS B1 and GPS L1 frequency bands are monitored by the frequency spectrograph to generate envelope signals, the radio frequency input signals are normal, otherwise, the radio frequency input signals are abnormal.
When the pulse per second signal detection is carried out, the Beidou receiver can output PPS pulse per second signals, the amplitude is 3.3V, the frequency is 1Hz, the pulse width is 10ms, measurement is carried out by using an oscilloscope, if the oscilloscope can detect 10ms rising edge square waves for 1 time per second, the output signals per second are normal, and otherwise, the pulse per second output signals are abnormal.
When the working voltage is detected, the universal meter is utilized to measure the working voltages on the radio frequency power supply module 33, the baseband power supply module 33 and the clock module 32, the measured value is +/-10% of the nominal value, if the measured value meets the requirement, the working voltage is measured normally, otherwise, the working voltage is abnormal.
The following disclosure discloses the name of the connection point on each module, the role of the connection point, and the method of measuring the connection point.
The voltage test connection point and the signal test connection point provided on the baseband module 35 and the test method thereof are as follows:
BB _ VCC _ 5V: the connection point is a voltage of 5V inputted from the power module 33, and the voltage of the measurement point is measured using a multimeter to check whether it is 5V.
BB _ VCC _ 3.3V: the connection point is 3.3V input from the power module 33, and the voltage at the measurement point is measured using a multimeter to check whether it is 3.3V.
BB _ VCC _ 0.9V: the connection point is a voltage of 0.9V converted by the baseband module 35, and the voltage of the measurement point is measured with a multimeter to check whether it is 0.9V.
BB _ VCC _ 1.8V: the connection point is a voltage of 1.8V converted by the baseband module 35, and the voltage of the measurement point is measured by a multimeter to check whether it is 1.8V.
SIGN _ L1: the connection point is a SIGN signal of a L1 frequency point input by the rf module 34, and the signal of the measurement point is checked by an oscilloscope to check whether a waveform exists or not, and whether the waveform frequency and amplitude are correct or not.
MAG _ L1: the connection point is a MAG signal of the L1 frequency point input by the radio frequency module 34, and the signal of the measurement point is checked by an oscilloscope to check whether a waveform exists or not, and whether the waveform frequency and the amplitude are correct or not.
CLK _ L1: the connection point is a clock signal of a frequency point L1 input by the radio frequency module 34, and the oscilloscope is used to check the signal of the measurement point, and check whether the waveform exists, and whether the waveform frequency and the amplitude are correct.
SIGN _ B1: the connection point is a SIGN signal of a B1 frequency point input by the radio frequency module 34, and the signal of the measurement point is checked by an oscilloscope to check whether a waveform exists or not and whether the waveform frequency and the amplitude are correct or not.
MAG _ B1: the connection point is a MAG signal of a B1 frequency point input by the radio frequency module 34, and the signal of the measurement point is checked by an oscilloscope to check whether a waveform exists or not, and whether the waveform frequency and the amplitude are correct or not.
CLK _ B1: the connection point is a clock signal of a B1 frequency point input by the radio frequency module 34, and the oscilloscope is used to check the signal of the measurement point, and check whether the waveform exists, and whether the waveform frequency and the amplitude are correct.
BB _ CLK _ 16M: the connection point is a 16M clock signal input by the clock module 32, and the oscilloscope is used to check the measurement point signal to check whether the waveform exists or not and whether the waveform frequency and amplitude are correct or not.
PPS: the connection point is a pulse-per-second signal generated by the baseband module 35, and the oscilloscope is used to check the measurement point, and check whether a square wave signal exists, whether the period is 1Hz, and whether the amplitude is correct.
The voltage test connection point and the signal test connection point arranged on the resolving module 36 and the test method thereof are as follows:
VCC _ 5V: the connection point is a voltage of 5V inputted from the power module 33, and the voltage at the measurement point is measured by a multimeter to check whether it is 5V.
VCC _ 3.3V: the connection point is 3.3V input from the power module 33, and the voltage at the measurement point is measured by a multimeter to check whether it is 3.3V.
VCC _ 1.3V: the connection point is 1.3V converted by the resolving module 36, and the voltage of the measurement point is measured by a multimeter to check whether the voltage is 1.3V.
BB _ VCC _ 1.8V: the connection point is 1.8V voltage converted by the resolving module 36, and the voltage of the measurement point is measured by a multimeter to check whether the voltage is 1.8V.
CLK _ 16M: the connection point is a 16M clock signal input by the clock module 32, and the oscilloscope is used to check the measurement point signal to check whether the waveform exists or not and whether the waveform frequency and amplitude are correct or not.
RXD0_ LVTTL: the connection point is a receiving pin of a serial port 0, and the level type of the connection point is TTL level.
TXD0_ LVTTL: the connection point is an emission pin of a serial port 0, the level type of the connection point is TTL level, and an oscilloscope is used for checking whether the measurement point has signals or not.
RXD1_ LVTTL: the connection point is a receiving pin of the serial port 1, and the level type of the connection point is TTL level.
TXD1_ LVTTL: the connection point is an emission pin of which the connection point is a serial port 1, the level type is TTL level, and an oscilloscope is used for checking whether the measurement point has a signal or not.
The voltage test connection point and the signal test connection point arranged on the power module 33 and the test method thereof are as follows:
VCC _ 5V: the connection point is a 5V voltage generated by the power module 33, and the voltage at the measurement point is measured by a multimeter to check whether the voltage is 5V.
BB _ VCC _ 3.3V: the connection point is 3.3V generated by the power module 33 and is used for transmitting to the baseband module 35, and the voltage of the measurement point is measured by a multimeter to check whether the voltage is 3.3V.
DSP _ VCC _ 3.3V: the connection point is 3.3V generated by the power module 33, and is transmitted to the calculation module 36, and the voltage of the measurement point is measured by a multimeter to check whether the voltage is 3.3V.
The voltage test connection point and the signal test connection point arranged on the clock module 32 and the test method thereof are as follows:
RF _ CLK _ 16M: the 16M signal generated by the clock module 32 is transmitted to the rf module 34, and the oscilloscope checks the signal at the measurement point to check whether the waveform is present, and whether the waveform frequency and amplitude are correct.
DSP _ CLK _ 16M: the 16M signal generated by the clock module 32 is sent to the calculation module 36, and the oscillograph is used to check the signal of the measurement point, whether the waveform exists, and whether the waveform frequency and amplitude are correct.
BB _ CLK _ 16M: the 16M signal generated by the clock module 32 is sent to the baseband module 35, and the measurement point signal is checked by an oscilloscope to determine whether the waveform is present, and whether the waveform frequency and amplitude are correct.
The voltage test connection point and the signal test connection point arranged on the interface module 31 and the test method thereof are as follows:
IO _ VCC _ 3.3V: the connection point is 3.3V input from the power module 33, and the voltage at the measurement point is measured by a multimeter to check whether it is 3.3V.
RXD0_ LVTTL: the connection point is a receiving pin of the serial port 0 of the calculation module 36, and the level type of the connection point is TTL level.
TXD0_ LVTTL: the connection point is an emission pin of the serial port 0 of the calculation module 36, the level type of the connection point is a TTL level, and an oscilloscope is used to check whether the measurement point has a signal.
RXD1_ LVTTL: the connection point is a receiving pin of the serial port 1 of the calculation module 36, and the level type of the connection point is TTL level.
TXD1_ LVTTL: the connection point is an emission pin of the serial port 1 of the calculation module 36, the level type of the connection point is a TTL level, and an oscilloscope is used to check whether the measurement point has a signal.
RS232_ RXD 0: the connection point is a receiving pin of the serial port 0 converted into 232 level, and an oscilloscope is used for checking whether the measurement point has a signal or not.
RS232_ TXD 0: the connection point is the transmitting pin of the serial port 0 converted into 232 level, and an oscilloscope is used for checking whether the measuring point has a signal or not.
RS422_ TXD0 +: the connection point is the transmitting positive pin of the serial port 1 converted into 422 level, and an oscilloscope is used for checking whether the measurement point has a signal or not.
RS422_ TXD 0-: the connection point is the transmitting negative pin of the serial port 1 converted into 422 level, and an oscilloscope is used for checking whether the measurement point has a signal or not.
RS422_ RXD 0-: the connection point is a receiving negative pin of the serial port 1 converted into 422 level, and an oscilloscope is used for checking whether a signal exists at the measurement point.
RS422_ RXD0 +: the connection point is a receiving positive pin of the serial port 1 converted into 422 level, and an oscilloscope is used for checking whether a signal exists at the measurement point.
To the receiver maintenance teaching device that this application mentions, be not limited to and receive big dipper satellite navigation system's satellite signal. The satellite navigation system that the receiver that overhauls bottom plate, antenna module, radio frequency module, baseband module, solution module, clock module, power module, interface module are constituteed can receive includes: the Beidou satellite navigation System (BDS), Galileo satellite navigation System (GALILEO), Global navigation satellite System (GPS), and Glonass satellite navigation System (GLONASS).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An overhaul teaching device of a satellite navigation receiver, comprising:
the system comprises a maintenance bottom plate, an antenna module, a radio frequency module, a baseband module, a resolving module, a clock module, a power supply module and an interface module;
the maintenance bottom plate is provided with a socket, and a connecting circuit is arranged inside the maintenance bottom plate;
the antenna module, the radio frequency module, the baseband module, the resolving module, the clock module, the power module and the interface module are separately plugged into the plug-in port;
the connecting circuit is used for connecting the antenna module, the radio frequency module, the baseband module, the resolving module, the clock module, the power supply module and the interface module;
the antenna module, the radio frequency module, the baseband module, the resolving module, the clock module, the power module and the interface module are respectively provided with a connection point, and the connection points are used for connecting a detection instrument.
2. The satellite navigation receiver overhaul teaching device according to claim 1, wherein the satellite navigation receiver overhaul teaching device further comprises:
a reference receiver mounted on the access floor for detecting ambient satellite signals.
3. The service teaching device of a satellite navigation receiver of claim 1, wherein the connection points include a voltage test connection point and a signal test connection point.
4. The service teaching device of a satellite navigation receiver according to claim 1, wherein the power module comprises:
the radio frequency power supply module is inserted on the maintenance bottom plate and used for supplying power to the radio frequency module;
and the baseband power supply module is inserted on the maintenance bottom plate and used for supplying power to the baseband module.
5. The satellite navigation receiver overhaul teaching device according to claim 3, wherein the antenna module, the radio frequency module, the baseband module, the calculation module, the clock module, the power module and the interface module are of two types, the two types comprising: a normal working model and a fault model.
6. The maintenance teaching device of the satellite navigation receiver according to claim 3, wherein the working method of the radio frequency module comprises the following steps:
filtering the received signal;
amplifying the signal by low noise amplification;
carrying out frequency conversion processing on the amplified signal so as to convert the signal into an analog intermediate frequency signal;
and converting the analog intermediate frequency signal into a digital intermediate frequency signal and outputting the digital intermediate frequency signal to the baseband module.
7. The overhaul teaching device of a satellite navigation receiver according to claim 3, wherein the data output by the calculation module is TTL serial data.
8. The service teaching device of a satellite navigation receiver according to claim 7, wherein the interface module converts the data output by the resolving module to 232 level or 422 level.
9. The service teaching device of a satellite navigation receiver according to claim 3, wherein the detecting instrument comprises: the universal meter is used for being connected with the voltage test connection point; and the frequency spectrograph and the oscilloscope are used for being connected with the signal test connection point.
10. The maintenance teaching device of the satellite navigation receiver according to any one of claims 1 to 9, wherein the satellite navigation system which is formed by the maintenance bottom plate, the antenna module, the radio frequency module, the baseband module, the resolving module, the clock module, the power module and the interface module and can be received by the receiver comprises: the Beidou satellite navigation System (BDS), Galileo satellite navigation System (GALILEO), Global navigation satellite System (GPS), and Glonass satellite navigation System (GLONASS).
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES284253U (en) * | 1985-01-30 | 1985-06-01 | Castells Munoz Jorge | Didactic trainer for radio electronics technology (Machine-translation by Google Translate, not legally binding) |
| US6234799B1 (en) * | 1998-04-06 | 2001-05-22 | American Gnc Corporation | Real-time IMU simulator |
| KR100540713B1 (en) * | 2005-10-12 | 2006-01-10 | (주)신한항업 | Method for constructing data base for gps location using environmental information |
| CN1862627A (en) * | 2006-05-31 | 2006-11-15 | 北京东方联星科技有限公司 | System and method for teaching experiment of staellite navigation receiver principle |
| CN103217693A (en) * | 2013-03-27 | 2013-07-24 | 上海电机学院 | Vehicle navigation and remote service terminal, system and method based on beidou satellite system |
| CN203456007U (en) * | 2013-08-20 | 2014-02-26 | 郑州众智科技股份有限公司 | Teaching experiment board for generator set controller |
| CN105845003A (en) * | 2016-05-20 | 2016-08-10 | 深圳国泰安教育技术股份有限公司 | Modularized single-chip microcomputer experiment box |
| CN109215460A (en) * | 2018-09-07 | 2019-01-15 | 南京信息职业技术学院 | Passive optical fiber communication principle teaching experiment box |
| CN211827678U (en) * | 2020-05-20 | 2020-10-30 | 中科泰格(北京)科技有限公司 | Radar counterwork reconnaissance and maintenance experiment platform based on functional module |
| CN212624553U (en) * | 2020-08-17 | 2021-02-26 | 中国人民解放军战略支援部队航天工程大学士官学校 | Teaching demonstration model for satellite positioning receiver front-end radio frequency signal processing |
| CN112782731A (en) * | 2020-12-14 | 2021-05-11 | 上海航天控制技术研究所 | Modularized satellite navigation receiving circuit capable of being automatically adapted |
| CN214409303U (en) * | 2021-02-24 | 2021-10-15 | 广西北斗天宇航天科技有限公司 | Dismantled and assembled big dipper science popularization receiver |
-
2021
- 2021-11-16 CN CN202111356960.8A patent/CN114283667B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES284253U (en) * | 1985-01-30 | 1985-06-01 | Castells Munoz Jorge | Didactic trainer for radio electronics technology (Machine-translation by Google Translate, not legally binding) |
| US6234799B1 (en) * | 1998-04-06 | 2001-05-22 | American Gnc Corporation | Real-time IMU simulator |
| KR100540713B1 (en) * | 2005-10-12 | 2006-01-10 | (주)신한항업 | Method for constructing data base for gps location using environmental information |
| CN1862627A (en) * | 2006-05-31 | 2006-11-15 | 北京东方联星科技有限公司 | System and method for teaching experiment of staellite navigation receiver principle |
| CN103217693A (en) * | 2013-03-27 | 2013-07-24 | 上海电机学院 | Vehicle navigation and remote service terminal, system and method based on beidou satellite system |
| CN203456007U (en) * | 2013-08-20 | 2014-02-26 | 郑州众智科技股份有限公司 | Teaching experiment board for generator set controller |
| CN105845003A (en) * | 2016-05-20 | 2016-08-10 | 深圳国泰安教育技术股份有限公司 | Modularized single-chip microcomputer experiment box |
| CN109215460A (en) * | 2018-09-07 | 2019-01-15 | 南京信息职业技术学院 | Passive optical fiber communication principle teaching experiment box |
| CN211827678U (en) * | 2020-05-20 | 2020-10-30 | 中科泰格(北京)科技有限公司 | Radar counterwork reconnaissance and maintenance experiment platform based on functional module |
| CN212624553U (en) * | 2020-08-17 | 2021-02-26 | 中国人民解放军战略支援部队航天工程大学士官学校 | Teaching demonstration model for satellite positioning receiver front-end radio frequency signal processing |
| CN112782731A (en) * | 2020-12-14 | 2021-05-11 | 上海航天控制技术研究所 | Modularized satellite navigation receiving circuit capable of being automatically adapted |
| CN214409303U (en) * | 2021-02-24 | 2021-10-15 | 广西北斗天宇航天科技有限公司 | Dismantled and assembled big dipper science popularization receiver |
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|---|---|
| CN114283667B (en) | 2024-05-03 |
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