CN114665946B - System and method for rapidly self-checking and evaluating integrity of satellite measurement and control test channel - Google Patents
System and method for rapidly self-checking and evaluating integrity of satellite measurement and control test channel Download PDFInfo
- Publication number
- CN114665946B CN114665946B CN202111632446.2A CN202111632446A CN114665946B CN 114665946 B CN114665946 B CN 114665946B CN 202111632446 A CN202111632446 A CN 202111632446A CN 114665946 B CN114665946 B CN 114665946B
- Authority
- CN
- China
- Prior art keywords
- measurement
- control
- converter
- test
- attenuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 115
- 238000012360 testing method Methods 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000011156 evaluation Methods 0.000 claims abstract description 23
- 239000011159 matrix material Substances 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims description 17
- 238000001228 spectrum Methods 0.000 claims description 16
- 230000036541 health Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010998 test method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
Abstract
The invention provides a satellite measurement and control test channel integrity quick self-checking evaluation system and method, which adopts a multifunctional baseband module in the system as a self-checking signal excitation signal source to directly output self-checking signals, and upper computer software completes the automatic control and evaluation calculation processing of the baseband module, a frequency converter and a switch matrix, and simultaneously carries out real-time interpretation and monitoring on key parameters of a three-level loop comparison self-checking technology of measurement and control test equipment by using test monitoring software of a characteristic parameter model matching method; according to the test method disclosed by the invention, the monitoring and evaluation test of the parameters of the measurement and control channel are completed, the effective assessment of the measurement and control channel in the operation of transmitting field test and test identification and evaluation is realized, the self-detection and evaluation of the parameters of the whole channel can be automatically completed, the integrity, the correctness and the safety of the measurement and control channel are ensured, and the high efficiency of the one-key test is verified.
Description
Technical Field
The invention belongs to the technical field of aerospace testing, relates to spacecraft testing and test identification technology, and particularly relates to a satellite measurement and control testing channel integrity rapid self-checking evaluation system and method based on characteristic parameter model matching.
Background
As the requirements for test identification of the transmission field of military satellite equipment increase, the transmission field puts higher demands on the test and test identification systems. The measurement and control test equipment is required to have the capability of quick self-checking evaluation and automatic calibration in the work of a transmitting field. The traditional measurement and control channel equipment is based on external tools and instruments to realize the inspection of the working health state of the equipment, and the equipment and the channel state are required to be monitored and judged in real time by people, so that the requirements of general and safe use of military satellite rapid transmission and test identification work are not met.
The original equipment channel state monitoring and evaluating method has the following defects: (1) The test method can not rapidly monitor the health state of the measurement and control channel in real time and can not meet the real-time safety monitoring requirement of the test and identification work of the transmitting field; (2) The measurement and control test equipment is more in components, wherein the quantity of state quantity parameters of each equipment is more, the parameters are inconvenient to uniformly judge, monitor and manage when the measurement and control test equipment is calibrated and self-inspected, and the target gap between the self-inspection and the calibration of the one-key test is larger; (3) The measuring equipment has complex composition and poor universality, large-scale equipment such as a frequency spectrograph, a signal source, an attenuator, a power meter and the like is used in equipment self-test, and the system structure is complex and is not suitable for a transmitting field test and identification evaluation environment; (4) Because the instrument and equipment are complex in composition, the use requirement capability is high, the construction period of the test system is long, and the quick task transmission requirement is not facilitated; (5) The original method has a lot of manual operations, and the automatic monitoring and evaluation requirements of the satellite transmitting field are not met.
Disclosure of Invention
Therefore, the invention aims to provide a system and a method for quickly and self-checking and evaluating the integrity of a satellite measurement and control test channel, wherein the health state test of a three-stage loop of measurement and control test equipment can be automatically realized by using a self-checking calibration sequence in an upper computer without manual intervention and outputting a test report; and various important parameter health states and test data results in the ground test equipment can be monitored and interpreted in real time, and the ground test equipment has the capabilities of information alarming and data archiving. By the steps and the method, the measurement and control ground test equipment has the capabilities of quick self-checking evaluation and automatic calibration.
A satellite measurement and control test channel integrity quick self-checking evaluation system comprises a modulation module, a demodulation module, an up-converter, a down-converter, a first attenuator, a signal source, a second attenuator, a first measurement and control switch, a second measurement and control switch, a first microwave switch, a second microwave switch, a power sensor, a spectrum analyzer and an upper computer;
the modulation module is connected with the up-converter through a first measurement and control switch; the up-converter is connected with the attenuator through a first microwave switch; the signal source is connected with the first attenuator, the uplink cable is directly connected with the downlink cable, the second attenuator is connected with the down converter through the second microwave switch, and the down converter is connected with the demodulation module through the second measurement and control switch; the demodulation module, the first measurement and control switch, the second measurement and control switch and the demodulation module form a multifunctional measurement and control baseband unit; the first microwave switch, the second microwave switch, the signal source, the first attenuator and the second attenuator form a multifunctional switch matrix unit. The power sensor and the spectrum analyzer are connected with the second attenuator;
the multifunctional measurement and control baseband unit, the up-converter, the multifunctional switch matrix unit, the power sensor, the spectrum analyzer and the down-converter are all connected with the upper computer through a TCP/IP bus;
the upper computer is used for configuring parameters of a modulation module, a demodulation module, an up-converter, a down-converter, a first attenuator, a signal source and a second attenuator; meanwhile, the control demodulation module sends a measurement intermediate frequency signal and controls the first measurement and control switch, the second measurement and control switch, the first microwave switch and the second microwave switch; receiving signals of a power sensor and a spectrum analyzer; meanwhile, parameters of the up-down converter, parameters of the modulation function of the modulation module, parameters of the demodulation function of the demodulation module and parameters of the ranging and speed measuring function are monitored.
An evaluation method based on the self-checking evaluation system comprises the following steps:
a first measurement and control switch and a second measurement and control switch in the multifunctional measurement and control baseband unit are arranged to directly connect the modulation module and the demodulation module to form a self-closed loop state; setting a modulation module to send out a measurement intermediate frequency signal; the demodulation module receives the intermediate frequency signal through the internal self-closed loop, and the upper computer automatically records the modulation function parameters, the demodulation function parameters and the distance and speed measurement function parameter inspection, displays the primary loop state evaluation result and completes the primary loop health state inspection.
Further, the first measurement and control switch and the second measurement and control switch are set to be in a test state, namely the first measurement and control switch connects the modulation module to the up-converter, and the test switch 2 connects the demodulation module to the down-converter; setting a first microwave switch and a second microwave switch to directly connect the up-converter and the down-converter; setting a modulation module to send out a measurement intermediate frequency signal, and directly outputting the signal to the down-conversion through a self-closed loop formed by a first microwave switch and a second microwave switch after up-conversion, and then transmitting the signal to a demodulation module; the upper computer records the modulation function parameters, the demodulation function parameters, the up-down converter parameters and the switch matrix function parameters for checking, automatically binds zero values of the ground test equipment of the measurement and control subsystem, and completes the second-level loop health state checking of the test equipment end of the measurement and control subsystem.
Further, the uplink cable and the downlink cable are directly connected to form a test radio frequency cable, a first measurement and control switch is arranged to connect the modulation module to the up converter, and a second measurement and control switch connects the demodulation module to the down converter; setting a first microwave switch to connect the up-converter to the first attenuator, and setting a second microwave switch to connect the down-converter to the second attenuator; setting a modulation module to send out a measurement intermediate frequency signal, carrying out up-conversion, returning to a second attenuator through a first attenuator and a test radio frequency cable, and returning to a demodulation module through a down-converter; and the upper computer performs remote control modulation function inspection, telemetry demodulation function inspection and distance and speed measurement function inspection, binds zero values of the ground test system of the measurement and control subsystem, and completes the three-level loop health state inspection of the test equipment end of the measurement and control subsystem.
Further, the control signal source module sends a single carrier signal of a certain specific frequency point, the single carrier signal is output by the first attenuator and then returned to the second attenuator by the ground test radio frequency cable, the power sensor measures the power of the output signal of the second attenuator, and the upper computer software automatically reads the power count, displays and records the insertion loss value of the test radio frequency cable; the spectrum analyzer is used for monitoring the state of the output signal of the second attenuator to the upper computer.
Further, the parameters monitored by the upper computer are compared with the normal value range and the jump value range of the stored parameters, and an alarm signal is generated and recorded.
The invention has the following beneficial effects:
(1) The invention adopts a multifunctional baseband module in the system as a self-checking signal excitation signal source, directly outputs a self-checking signal, and the upper computer software completes the automatic control and evaluation calculation processing of the baseband module, the frequency converter and the switch matrix, and simultaneously carries out real-time interpretation and monitoring on key parameters of a three-stage loop comparison self-checking technology of measurement and control testing equipment by using test monitoring software of a characteristic parameter model matching method. According to the test method, the monitoring and evaluation test of the parameters of the measurement and control channel are completed, the effective assessment of the measurement and control channel in the operation of transmitting field test and test identification and evaluation is realized, the self-detection and evaluation of the parameters of the whole channel can be automatically completed, the integrity, the correctness and the safety of the measurement and control channel are ensured, and the high efficiency of the one-key test is verified;
(2) The testing method adopts a flow design, and comprehensively evaluates key parameters of key equipment in the measurement and control channel, including baseband, radio frequency, cable and the like, in one flow, and the coverage is comprehensive;
(3) The ground equipment adopted by the test method meets the requirements of generalization and integration, the number of the test equipment is greatly reduced, the interface is simple, the operation is easy, and the test method is very suitable for the test identification of the rapid transmission mode of the transmission field.
Drawings
FIG. 1 is a schematic diagram of a system for rapid self-checking and evaluating the integrity of a satellite measurement and control test channel according to the present invention.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The original testing equipment comprises a modulation module, a demodulation module, an up-converter, a down-converter, an attenuator 1, a signal source and an attenuator 2; the modulation module is connected with an up-converter, and the up-converter is connected with an attenuator; the attenuator 1 is connected with a satellite to be tested through an uplink cable in the test cable, the satellite is connected with the attenuator through a downlink cable, the attenuator is connected with a down converter, and the down converter is connected with the demodulation module.
On the basis of the original test equipment, the invention improves and establishes a self-checking evaluation system, which comprises a measurement and control switch 1, a measurement and control switch 2, a microwave switch 1, a microwave switch 2, a power sensor, a spectrum analyzer and an upper computer;
the modulation module is connected with an up-converter through a measurement and control switch 1; the up-converter is connected with an attenuator through a microwave switch 1; the signal source is connected with the attenuator 1, the uplink cable is directly connected with the downlink cable, the attenuator 2 is connected with the down converter through the microwave switch 2, and the down converter is connected with the demodulation module through the measurement and control switch 2; the demodulation module, the measurement and control switch 1, the measurement and control switch 2 and the demodulation module form a multifunctional measurement and control baseband unit; the microwave switch 1, the microwave switch 2, the signal source, the attenuator 1 and the attenuator 2 form a multifunctional switch matrix unit. The power sensor and the spectrum analyzer are both connected to the attenuator 2.
The multifunctional measurement and control baseband unit, the up-converter, the multifunctional switch matrix unit, the power sensor, the spectrum analyzer and the down-converter are all connected with the upper computer through a TCP/IP bus;
1) Executing a primary loop self-checking calibration program in an upper computer, and setting a measurement and control switch 1 and a measurement and control switch 2 in the multifunctional measurement and control baseband unit to directly connect a modulation module and a demodulation module to form a self-closed loop state; setting a modulation module to send out a measurement intermediate frequency signal; the demodulation module receives the intermediate frequency signal through the internal self-closed loop. The upper computer automatically records the modulation function parameters, the demodulation function parameters and the distance and speed measurement function parameter inspection, displays the primary loop state evaluation result and completes the primary loop health state inspection.
2) Executing a secondary loop self-checking calibration program in the upper computer, setting the measurement and control switch 1 and the measurement and control switch 2 to be in a test state, namely connecting a modulation module to an up converter by the measurement and control switch 1, and connecting a demodulation module to a down converter by the test switch 2; setting a microwave switch 1 and a microwave switch 2 in a switch matrix unit to be in a self-checking state, namely directly connecting an up-converter and a down-converter by the two microwave switches; the modulation module is arranged to send out a measurement intermediate frequency signal, and the signal is directly output to the down-conversion through a self-closed loop formed by the microwave switch 1 and the microwave switch 2 after up-conversion and then transmitted to the demodulation module. The upper computer automatically records and inspects the modulation function parameters, the demodulation function parameters, the up-down converter parameters and the switch matrix function parameters, automatically binds the zero value of the ground test equipment of the measurement and control subsystem, and completes the health status inspection of the secondary loop at the test equipment end of the measurement and control subsystem.
3) The satellite-ground test cable is set to be in a self-loop state (an uplink cable is directly connected with a downlink cable to form a test radio frequency cable). Executing a three-level loop self-checking calibration program in the upper computer, setting the measurement and control switch 1 and the measurement and control switch 2 to be in a test state, namely connecting a modulation module to an up-converter by the measurement and control switch 1, and connecting a demodulation module to a down-converter by the test switch 2; the microwave switch 1 and the microwave switch 2 are set to be in a measurement state, namely, the microwave switch 1 connects the up-converter to the attenuator 1, and the microwave switch 2 connects the down-converter to the attenuator 2. Setting a modulation module to send out a measurement intermediate frequency signal, carrying out up-conversion, returning to an attenuator 2 through an attenuator 1 and a test radio frequency cable, and returning to a demodulation module through a down-converter; the parameters of the attenuator and the frequency converter are set by the upper computer through a TCP/IP bus. In the link test, the upper computer performs remote control modulation function check, remote measurement demodulation function check and distance measurement and speed measurement function check, binds zero values of the ground test system of the measurement and control subsystem, and completes the three-level loop health state check of the test equipment end of the measurement and control subsystem.
4) The method comprises the steps that a self-checking calibration program in an upper computer is utilized to control a signal source module in a switch matrix unit to send a single carrier signal of a certain specific frequency point, the single carrier signal is output by an attenuator 1 and then returned to an attenuator 2 through a ground test radio frequency cable, a power sensor measures the power of the output signal of the attenuator 2, and upper computer software automatically reads power counting, displays and automatically records the insertion loss value of the test radio frequency cable; the spectrum analyzer is used to monitor the state of the output signal of the attenuator 2.
5) The self-checking calibration sequence is designed based on performance automation test software and is designed according to the three steps of initializing an instrument, executing a function and closing the instrument. In the 'initializing instrument' sequence module, all the devices are initialized, and the networking state and the functional state of the instrument are checked, wherein the device comprises a remote control port (TC), a remote measuring port (TM), a ranging port (RNG), a frequency converter program control port, a switch matrix program control port, a signal source, a power meter program control port and the like of the multifunctional baseband device. In the 'function execution' sequence module, all instrument commands needing to be operated are compiled according to the item sequence of self-checking calibration. And setting a circulation node for items requiring testing of the multi-point data, setting circulation times and jump-out conditions, and automatically generating a test report after each function is executed. In the 'closing instrument' sequence module, all instrument ports opened in an initialization sequence are closed, and the self-checking calibration program is exited to enter a system working mode;
6) By the testing method based on characteristic parameter model matching, key parameters in a multifunctional measurement and control baseband module (carrier synchronous identification/pseudo code synchronous identification/bit synchronous identification/frame synchronous identification/signal to noise ratio/AGC/measurement and control switch state), an up-converter module, a down-converter module (uplink and downlink frequency point/gain value), a radio frequency switch matrix module (attenuation value/microwave switch state), a power meter (power value reading) and a spectrum analyzer (in-band power/out-of-band suppression/spectrum screenshot) can be interpreted and monitored in real time when three-level loop self-checking calibration testing is performed, and normal value ranges and jump value ranges of the key parameters are recorded in a database setting. The abnormal state in the test will trigger the alarm function of the software, the indicator lamp after the corresponding key parameter will turn red, and the corresponding log and reminder are in the alarm record. Meanwhile, the test data is recorded and archived in real time, and can be queried in the corresponding path in the archive record afterwards, so that the test data is recorded and traceable.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The system is characterized by comprising a modulation module, a demodulation module, an up-converter, a down-converter, a first attenuator, a signal source, a second attenuator, a first measurement and control switch, a second measurement and control switch, a first microwave switch, a second microwave switch, a power sensor, a spectrum analyzer and an upper computer;
the modulation module is connected with the up-converter through a first measurement and control switch; the up-converter is connected with the attenuator through a first microwave switch; the signal source is connected with the first attenuator, the uplink cable is directly connected with the downlink cable, the second attenuator is connected with the down converter through the second microwave switch, and the down converter is connected with the demodulation module through the second measurement and control switch; the demodulation module, the first measurement and control switch, the second measurement and control switch and the demodulation module form a multifunctional measurement and control baseband unit; the power sensor and the spectrum analyzer are connected with the second attenuator;
the multifunctional measurement and control baseband unit, the up-converter, the multifunctional switch matrix unit, the power sensor, the spectrum analyzer and the down-converter are all connected with the upper computer;
the upper computer is used for configuring parameters of a modulation module, a demodulation module, an up-converter, a down-converter, a first attenuator, a signal source and a second attenuator; meanwhile, the control demodulation module sends a measurement intermediate frequency signal and controls the first measurement and control switch, the second measurement and control switch, the first microwave switch and the second microwave switch; receiving signals of a power sensor and a spectrum analyzer; meanwhile, parameters of the up-down converter, parameters of the modulation function of the modulation module, parameters of the demodulation function of the demodulation module and parameters of the ranging and speed measuring function are monitored.
2. An evaluation method based on the satellite measurement and control test channel integrity rapid self-checking evaluation system as claimed in claim 1, comprising:
a first measurement and control switch and a second measurement and control switch in the multifunctional measurement and control baseband unit are arranged to directly connect the modulation module and the demodulation module to form a self-closed loop state; setting a modulation module to send out a measurement intermediate frequency signal; the demodulation module receives the intermediate frequency signal through the internal self-closed loop, and the upper computer automatically records the modulation function parameters, the demodulation function parameters and the distance and speed measurement function parameter inspection, displays the primary loop state evaluation result and completes the primary loop health state inspection.
3. The method for rapid self-checking and evaluating the integrity of a satellite measurement and control test channel according to claim 2, comprising the steps of: setting the first measurement and control switch and the second measurement and control switch to be in a test state, namely connecting a modulation module to an up-converter by the first measurement and control switch, and connecting a demodulation module to a down-converter by the test switch 2; setting a first microwave switch and a second microwave switch to directly connect the up-converter and the down-converter; setting a modulation module to send out a measurement intermediate frequency signal, and directly outputting the signal to the down-conversion through a self-closed loop formed by a first microwave switch and a second microwave switch after up-conversion, and then transmitting the signal to a demodulation module; the upper computer records the modulation function parameters, the demodulation function parameters, the up-down converter parameters and the switch matrix function parameters for checking, automatically binds zero values of the ground test equipment of the measurement and control subsystem, and completes the second-level loop health state checking of the test equipment end of the measurement and control subsystem.
4. The method for rapid self-checking and evaluating the integrity of a satellite measurement and control test channel according to claim 2, comprising the steps of: the uplink cable is directly connected with the downlink cable to form a test radio frequency cable, a first measurement and control switch is arranged to connect the modulation module to the up-converter, and a second measurement and control switch is arranged to connect the demodulation module to the down-converter; setting a first microwave switch to connect the up-converter to the first attenuator, and setting a second microwave switch to connect the down-converter to the second attenuator; setting a modulation module to send out a measurement intermediate frequency signal, carrying out up-conversion, returning to a second attenuator through a first attenuator and a test radio frequency cable, and returning to a demodulation module through a down-converter; and the upper computer performs remote control modulation function inspection, telemetry demodulation function inspection and distance and speed measurement function inspection, binds zero values of the ground test system of the measurement and control subsystem, and completes the three-level loop health state inspection of the test equipment end of the measurement and control subsystem.
5. The method for rapid self-checking and evaluating the integrity of a satellite measurement and control test channel according to claim 2, comprising the steps of: the control signal source module sends a single carrier signal of a certain specific frequency point, the single carrier signal is output by the first attenuator and then returns to the second attenuator through the ground test radio frequency cable, the power sensor measures the power of the output signal of the second attenuator, and the upper computer software automatically reads the power count, displays and records the insertion loss value of the test radio frequency cable; the spectrum analyzer is used for monitoring the state of the output signal of the second attenuator to the upper computer.
6. The method for rapid self-checking and evaluating the integrity of a satellite measurement and control test channel according to claim 2, comprising the steps of: and the parameters monitored by the upper computer are compared with the normal value range and the jump value range of the stored parameters, and an alarm signal is generated and recorded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632446.2A CN114665946B (en) | 2021-12-29 | 2021-12-29 | System and method for rapidly self-checking and evaluating integrity of satellite measurement and control test channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632446.2A CN114665946B (en) | 2021-12-29 | 2021-12-29 | System and method for rapidly self-checking and evaluating integrity of satellite measurement and control test channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114665946A CN114665946A (en) | 2022-06-24 |
| CN114665946B true CN114665946B (en) | 2023-11-07 |
Family
ID=82026162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111632446.2A Active CN114665946B (en) | 2021-12-29 | 2021-12-29 | System and method for rapidly self-checking and evaluating integrity of satellite measurement and control test channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114665946B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787247A (en) * | 1971-08-04 | 1973-02-05 | Siemens Ag | RELAY STATION IN A TELECOMMUNICATIONS SYSTEM |
| CA2791395A1 (en) * | 2012-04-12 | 2013-10-12 | Com Dev International Ltd. | Methods and systems for consistency checking and anomaly detection in automatic identification system signal data |
| CN105659936B (en) * | 2010-12-30 | 2013-11-27 | 北京空间飞行器总体设计部 | A kind of be applicable to aeronautical satellite tracking-telemetry and command subsystem automatization test system |
| CN106533589A (en) * | 2016-11-21 | 2017-03-22 | 上海卫星工程研究所 | Universal satellite data transmission testing system and method |
| CN107453800A (en) * | 2017-06-30 | 2017-12-08 | 上海卫星工程研究所 | The satellite TT＆C system equivalent device and its method of testing of Parameter adjustable |
| CN110138442A (en) * | 2019-05-23 | 2019-08-16 | 上海微小卫星工程中心 | Floor synthetic test macro and method for satellite data transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7065466B2 (en) * | 2004-01-29 | 2006-06-20 | Advanced Testing Technologies, Inc. | Attenuator test system |
-
2021
- 2021-12-29 CN CN202111632446.2A patent/CN114665946B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787247A (en) * | 1971-08-04 | 1973-02-05 | Siemens Ag | RELAY STATION IN A TELECOMMUNICATIONS SYSTEM |
| CN105659936B (en) * | 2010-12-30 | 2013-11-27 | 北京空间飞行器总体设计部 | A kind of be applicable to aeronautical satellite tracking-telemetry and command subsystem automatization test system |
| CA2791395A1 (en) * | 2012-04-12 | 2013-10-12 | Com Dev International Ltd. | Methods and systems for consistency checking and anomaly detection in automatic identification system signal data |
| CN106533589A (en) * | 2016-11-21 | 2017-03-22 | 上海卫星工程研究所 | Universal satellite data transmission testing system and method |
| CN107453800A (en) * | 2017-06-30 | 2017-12-08 | 上海卫星工程研究所 | The satellite TT＆C system equivalent device and its method of testing of Parameter adjustable |
| CN110138442A (en) * | 2019-05-23 | 2019-08-16 | 上海微小卫星工程中心 | Floor synthetic test macro and method for satellite data transmission |
Non-Patent Citations (1)
| Title |
|---|
| 航天测控通信站中的系统分析器;李凤琴;遥测遥控(06);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114665946A (en) | 2022-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104267265A (en) | Evaluating system and method based on radio astronomical instrument device electromagnetic radiation | |
| CN110632410B (en) | Intelligent debugging system for automatic equipment of intelligent substation and application method thereof | |
| CN104536436A (en) | Automatic test system and method for industrial production process control logic | |
| CN114665946B (en) | System and method for rapidly self-checking and evaluating integrity of satellite measurement and control test channel | |
| CN204631211U (en) | A kind of general FPGA test macro | |
| CN110954770A (en) | Automatic testing system and method for strong electromagnetic pulse comprehensive protection performance of protection module | |
| CN107566056A (en) | A kind of multichannel T/R components phase conformance testing device and method | |
| CN207835452U (en) | A kind of PNoC test devices with MRR fault simulators | |
| CN103076557B (en) | Testing method of single event functional interruption of Spacewire circuit | |
| CN106774245B (en) | Nuclear power station security level I &C equipment channel stability automatization test system and method | |
| CN210835215U (en) | Test detection device for automobile radar | |
| CN116087902A (en) | Radar rapid comprehensive detection equipment and method based on hybrid bus | |
| CN103472387A (en) | General on-line test system and test method suitable for antifuse type FPGA | |
| CN101191818A (en) | Chip test method, system and apparatus | |
| CN109900808A (en) | The channel self-checking system and self checking method of acoustic emission signal monitoring system | |
| CN205901758U (en) | Wireless public network communication channel emulation detecting system | |
| CN211826294U (en) | IDC computer lab electric power intelligent security monitored control system | |
| CN111510191A (en) | Satellite measurement and control automatic test system | |
| CN103311830A (en) | Substation automation system debugging device | |
| Carter et al. | A hardware-in-the-loop (HWIL) network simulator for analysis and evaluation of large-scale military wireless communication systems | |
| CN111930078B (en) | Network testing device for nuclear control system | |
| CN117806226B (en) | Deep vulnerability discovery method and system for protocol stack of PLC (programmable logic controller) equipment | |
| CN113739926B (en) | Method and device for detecting temperature rise fault of train electric appliance cabinet and terminal equipment | |
| CN213426168U (en) | Automatic testing system for GSM-R optical fiber repeater | |
| CN116165461A (en) | Function state monitoring device and method in electromagnetic immunity test of vehicle gauge chip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |