CN102590612B - Intelligent time frequency signal switcher - Google Patents
Intelligent time frequency signal switcher Download PDFInfo
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- CN102590612B CN102590612B CN2012100552953A CN201210055295A CN102590612B CN 102590612 B CN102590612 B CN 102590612B CN 2012100552953 A CN2012100552953 A CN 2012100552953A CN 201210055295 A CN201210055295 A CN 201210055295A CN 102590612 B CN102590612 B CN 102590612B
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Abstract
The invention discloses an intelligent time frequency signal switcher which is provided with a microprocessor module, a GPS (Global Position System)/BD antenna signal module comprising a radio frequency amplifying module, a six-way power distributor, a six-way radio frequency amplifier and an alternating current coupler, an IRIG (Inter-Range Instrumentation Group)-B(Bit) code module comprising a first extension module, a first two-way program control relay, a TTL (Transistor-Transistor Logic)/485 signal conversion module, a second two-way program control relay, an electro-optical conversion module, a first electro-optical conversion module and a third two-way program control relay, a PPS (Pulse Per Second) time-pulse module comprising a second extension module, a second electro-optical conversion module and a fourth two-way program control relay, a 10MHz frequency signal module comprising a high speed operation amplifier, a filter module and a fifth two-way program control relay as well as a communication control module. According to the intelligent time frequency signal switcher disclosed by the invention, remote control management can be realized, the integrated time frequency test is greatly simplified, the test error is reduced and the integrated test, technical application, research efficiency and the intelligent level are remarkably improved.
Description
Technical field
The present invention relates to the temporal frequency test, particularly relate to a kind of Intelligent time frequency signal switcher.
Background technology
Existing temporal frequency testing procedure is various, and test data is difficult for administering and maintaining, and the overall test effect is poor.In the modern comprehensive intelligent test duration during frequency, need to be according to service feature and the functional requirement of test, carry out continually frequency time signal switching, signal extension, realize interface compatibility, i.e. frequency time signal intelligent program control and management problem in frequency test, technology application settling time and research effectively, be necessary existing Intelligent time frequency signal switcher is further improved with perfect, to meet the requirement that various temporal frequency device signal is tested.
Summary of the invention
Technical matters to be solved by this invention is the defect that makes up above-mentioned prior art, and a kind of Intelligent time frequency signal switcher is provided.
Technical matters of the present invention is solved by the following technical programs.
This Intelligent time frequency signal switcher, comprise microprocessor module, GPS (Global Positioning System, initialism is GPS)/the Beidou antenna signaling module, international target range instrument group (Inter Range Instrumentation Group, initialism is IRIG-B) timing code (hereinafter to be referred as the IRIG-B code) module, realize by network communication link and remote management machine the communication control module that communication is connected, 1PPS timing pulse module, 10MHz frequency signal module, and be connected respectively with above-mentioned module the power module that working power is provided, wherein, global position system GPS/Beidou antenna signaling module, IRIG-B code module, communication control module, 1PPS timing pulse module, the programmed control end of 10MHz frequency signal module is connected by the programmed control bus with the output terminal of microprocessor module respectively.
The characteristics of this Intelligent time frequency signal switcher are:
Described GPS/ Beidou antenna signaling module comprises RF Amplifier Module, No. six power dividers, the six road radio frequency amplifier that connect successively; and ac-coupled device; the input end of described RF Amplifier Module is connected with the GPS/ Beidou antenna; for accessing external GPS/Big Dipper dual-band antenna signal, and amplification is divided into six tunnels by No. six power dividers;
Be respectively equipped with the programmed control radio-frequency (RF) switch between four road output terminals of described six road radio frequency amplifier and four road input ends of described ac-coupled device, four road output terminals of corresponding ac-coupled device are respectively two-way and are subject to the output terminal of programme controlled two-way Big Dipper satellite signal and the output terminal of the programme controlled two-way gps satellite signal of the described microprocessor module of two routes;
Other two-way output terminal of described six road radio frequency amplifier directly is connected with other two-way input end of described ac-coupled device respectively, and the two-way output terminal of corresponding ac-coupled device is respectively the output terminal by the programme controlled two-way gps satellite signal of described microprocessor module.
Described IRIG-B code module is for the expansion of IRIG-B coded signal, interface compatibility and programmed control switching, and it comprises:
The first expansion module of four tunnel outputs is arranged, and the input end of described the first expansion module is connected with standard IR IG-B code output circuit;
The the first two-way programmed control relay, the TTL/485 signal conversion module that connect successively; the two-way input end of described the first two-way programmed control relay is connected with the two-way output terminal of described the first expansion module respectively; the two-way output terminal of described TTL/485 signal conversion module is respectively the output terminal that can be joined IRIG-B code standard source by the programme controlled two path signal interface of described microprocessor module TTL/485, and the IRIG-B code can be set to TTL or the electric type of RS-485;
The the second two-way programmed control relay, the electrooptic conversion module that connect successively; the two-way input end of described the second two-way programmed control relay is connected with the two-way output terminal of described the first expansion module respectively, and the two-way output terminal of described electrooptic conversion module is respectively the output terminal by the programme controlled two ways of optical signals interface of described microprocessor module IRIG-B code standard source;
The first photoelectric conversion module connected successively, the 3rd two-way programmed control relay, the input end of described the first photoelectric conversion module is connected with the optical signal interface output circuit of tested IRIG-B code, the output terminal of described the first photoelectric conversion module is connected with a road input end of described the 3rd two-way programmed control relay, another road input end of described the 3rd two-way programmed control relay directly is connected with the electric signal interface output circuit of tested IRIG-B code, the output terminal of described the 3rd two-way programmed control relay is is the output terminal of IRIG-B code electric signal interface by the programme controlled road signal-under-test output terminal of described microprocessor module.
Expansion, interface compatibility and the programmed control switching of described 1PPS timing pulse module for realizing the 1PPS time scale pulse signal, it comprises:
The second expansion module that four tunnel outputs are arranged; the input end of described the second expansion module is connected with standard 1PPS timing pulse output circuit, and four road output terminals of described the second expansion module are respectively the output terminal by the programme controlled four electric signal interface 1PPS timing pulse extension standards sources, road of described microprocessor module;
The second photoelectric conversion module connected successively, the 4th two-way programmed control relay, the input end of described the second photoelectric conversion module is connected with tested 1PPS timing pulse optical signal interface output circuit, the output terminal of described the second photoelectric conversion module is connected with a road input end of described the 4th two-way programmed control relay, another road input end of described the 4th two-way programmed control relay directly is connected with tested 1PPS timing pulse electric signal interface output circuit, the output terminal of described the 4th two-way programmed control relay is the output terminal by the tested 1PPS time scale pulse signal of the programme controlled road electric signal interface of described microprocessor module.
Described 10MHz frequency signal module is for realizing expansion, switching and the programmed control of 10MHz frequency signal, and it comprises:
The high speed operation amplifier that four tunnel outputs are arranged; the input end of described high speed operation amplifier is connected with standard 10MHz sinusoidal wave output circuit, and four road output terminals of described high speed operation amplifier are respectively the output terminal by the described microprocessor module sinusoidal wave extension standards of programme controlled four road electric signal interface 10MHz source;
The filtration module connected successively, the 5th two-way programmed control relay, the input end of described filtration module is connected with tested 10MHz square-wave signal interface output circuit, the output terminal of described filtration module is connected with a road input end of described the 5th two-way programmed control relay, another road input end of described the 5th two-way programmed control relay directly is connected with the sinusoidal wave electric signal interface output circuit of tested 10MHz, the output terminal of described the 5th two-way programmed control relay is the output terminal by the tested 10MHz sine wave of the programme controlled road electric signal interface of described microprocessor module.
Technical matters of the present invention is solved by following further technical scheme.
Described communication control module is the TCP/IP server end, comprise integrated PHY chip, and there is 1 road RJ45 network interface, set up communication link with the remote management machine of TCP/IP client, the program control instruction of assigning by specific internal agreement receiving remote supervisor test analysis management software, and resolved.
Described microprocessor module is accepted from outside networking command by communication control module, GPIO mouth level by set MCU, control relevant programmed control relay switch and programmed control radio-frequency (RF) switch break-make, realize the remote control management function of corresponding frequency time signal, described frequency time signal comprises 1PPS/1PPM pulse, IRIG-B code, 10MHz frequency, and GPS/ Beidou antenna signal, described remote control management function comprises switching, the configuration network communications parameter of frequency time signal, and obtains the switching signal current state.
Described remote management machine is PC.
The present invention's beneficial effect compared with prior art is:
The present invention can effectively realize amplification, expansion and the programmed control switching of GPS/ Beidou antenna signal, and expansion, interface compatibility and the programmed control switching of IRIG-B code, 1PPS time scale pulse signal, 10MHz frequency signal.Described communication control module realizes that with remote management machine communication is connected, but the network instruction of receiving remote supervisor, realize the remote control management of frequency time signal, greatly simplify comprehensive temporal frequency test, technology application and the complexity of studying, realize centralized management and the control of frequency time signal in complicated applications, reduce because manual operation brings the temporal frequency test error, significantly improve temporal frequency integration test, technology application and efficiency and the intelligent level studied.
The present invention can be widely used in temporal frequency integration test, the technology application and research in the fields such as electric power, telecommunications, can realize neatly expansion, interface compatibility and signal switching and the management of frequency time signal.
The accompanying drawing explanation
Fig. 1 is the compositional block diagram of the specific embodiment of the invention;
Fig. 2 is the compositional block diagram of the GPS/ Beidou antenna signaling module of Fig. 1;
Fig. 3 is the compositional block diagram of the IRIG-B code module of Fig. 1;
Fig. 4 is the compositional block diagram of the 1PPS timing pulse module of Fig. 1;
Fig. 5 is the compositional block diagram of the 10MHz frequency module of Fig. 1.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention will be described.
A kind of Intelligent time frequency signal switcher 1 as shown in Fig. 1～5, comprise the microprocessor module 2 that model is LM3S6911, GPS/ Beidou antenna signaling module 4, IRIG-B code module 5, realize the communication control module 6 of the RJ45 that microcontroller chip that employing model that communication is connected is LM3S6911 and model are HR911105A by network communication link 10 and remote management machine 9, 1PPS timing pulse module 7, 10MHz frequency signal module 8, and be connected respectively with above-mentioned module the power module 3 that the employing of the working power power supply chip that model is LM1117MPX-2.5 and LT1085CM3.3 is provided, wherein, GPS/ Beidou antenna signaling module 4, IRIG-B code module 5, communication control module 6, 1PPS timing pulse module 7, the programmed control end of 10MHz frequency signal module 8 is connected by programmed control bus 15 with the output terminal of microprocessor module 2 respectively.All power supplys are transformed by+5V, and its input end all is provided with chip magnetic bead and decoupling capacitor, and the chip magnetic bead, for the high frequency interference of filter out power input end, absorbs spike and disturbs and electrostatic discharge pulses; Decoupling capacitor is for suppressing the noise produced because of load variations.
GPS/ Beidou antenna signaling module 4 comprises successively the six road radio frequency amplifier 14 that No. six power dividers 13, model that RF Amplifier Module 12, model that the model that connects is ADL5602 are RS4W0825 are ADL5602; and ac-coupled device 17; the input end of RF Amplifier Module 12 is connected with the GPS/ Beidou antenna; for accessing external GPS/Big Dipper dual-band antenna signal, and amplification 20db is divided into six tunnels by 3db No. six power dividers 13;
Be respectively equipped with the programmed control radio-frequency (RF) switch 16 that model is ADG901 between six road radio frequency amplifier 14De tetra-road output terminals and ac-coupled device 17De tetra-road input ends, corresponding ac-coupled device 17De tetra-road output terminals are respectively the output terminal of the programme controlled two-way Big Dipper satellite signal of two route microprocessor modules 2 and the output terminal of the programme controlled two-way gps satellite signal of two route microprocessor modules 2;
Other two-way output terminal of six road radio frequency amplifier 14 directly is connected with other two-way input end of ac-coupled device 17 respectively, and the two-way output terminal of corresponding ac-coupled device 17 is respectively the output terminal by the programme controlled two-way gps satellite signal of microprocessor module 2.
IRIG-B code module 5 is for the expansion of IRIG-B coded signal, interface compatibility and programmed control switching, and it comprises:
The input end of the first expansion module 18, the first expansion modules 18 that the model that four tunnel outputs are arranged is 74ACT04 is connected with standard IR IG-B code output circuit;
The TTL/485 signal conversion module 19 that the first two-way programmed control relay 22 that the model connected successively is TQ2SA-5V, employing model are 75LBC176; the two-way input end of the first two-way programmed control relay 22 is connected with the two-way output terminal of the first expansion module 18 respectively; the two-way output terminal of TTL/485 signal conversion module 19 is respectively the output terminal that can be joined IRIG-B code standard source by the programme controlled two path signal interface of microprocessor module 2 TTL/485, and the IRIG-B code can be set to TTL or the electric type of RS-485;
The electrooptic conversion module 20 of the logic gate chip that the fiber optical transceiver that the second two-way programmed control relay 23 that the model connected successively is TQ2SA-5V, employing model are HFBR-1414TZ and model are 74ACTQ00; the two-way input end of the second two-way programmed control relay 23 is connected with the two-way output terminal of the first expansion module 18 respectively, and the two-way output terminal of electrooptic conversion module 20 is respectively the output terminal by the programme controlled two ways of optical signals interface of microprocessor module 2 IRIG-B code standard source;
The first photoelectric conversion module 21 of the logic gate chip that the fiber optical transceiver that the employing model connected successively is HFBR2416TZ and model are LT1016CSB, the 3rd two-way programmed control relay 24 that model is TQ2SA-5V, the input end of the first photoelectric conversion module 21 is connected with tested IRIG-B code optical signal interface output circuit, the output terminal of the first photoelectric conversion module 21 is connected with the 3rd two-way programmed control relay 24De mono-road input end, another road input end of the 3rd two-way programmed control relay 24 directly is connected with tested IRIG-B code electric signal interface output circuit, the output terminal of the 3rd two-way programmed control relay 24 is is the output terminal of IRIG-B code electric signal interface by the programme controlled road signal-under-test output terminal of microprocessor module 2.
Expansion, interface compatibility and the programmed control switching of 1PPS timing pulse module 7 for realizing the 1PPS time scale pulse signal, it comprises:
The second expansion module 26 that the model that four tunnel outputs are arranged is 74ACT04; the input end of the second expansion module 26 is connected with standard 1PPS timing pulse output circuit, and the second expansion module 26De tetra-road output terminals are respectively the output terminal by the programme controlled four electric signal interface 1PPS timing pulse extension standards sources, road of microprocessor module 2;
The second photoelectric conversion module 25 of the logic gate chip that the fiber optical transceiver that the employing model connected successively is HFBR2416TZ and model are LT1016CSB, the 4th two-way programmed control relay 27 that model is TQ2SA-5V, the input end of the second photoelectric conversion module 25 is connected with tested 1PPS timing pulse optical signal interface output circuit, the output terminal of the second photoelectric conversion module 25 is connected with the 4th two-way programmed control relay 27De mono-road input end, another road input end of the 4th two-way programmed control relay 27 directly is connected with tested 1PPS timing pulse electric signal interface output circuit, the output terminal of the 4th two-way programmed control relay 27 is the output terminal by the tested 1PPS time scale pulse signal of the programme controlled road electric signal interface of microprocessor module 2.
Expansion, switching and the programmed control of 10MHz frequency signal module 8 for realizing the 10MHz frequency signal, it comprises:
The high speed operation amplifier 29 that the model that four tunnel outputs are arranged is ADA4891-4; the input end of high speed operation amplifier 29 is connected with standard 10MHz sinusoidal wave output circuit, and high speed operation amplifier 29De tetra-road output terminals are respectively the output terminal by the microprocessor module 2 sinusoidal wave extension standards of programme controlled four road electric signal interface 10MHz source;
The filtration module 28 that the model connected successively is 74LVClG08DBV, the 5th two-way programmed control relay 30 that model is TQ2SA-5V, the input end of filtration module 28 is connected with tested 10MHz square wave output circuit, the output terminal of filtration module 28 is connected with the 5th two-way programmed control relay 30De mono-road input end, another road input end of the 5th two-way programmed control relay 30 directly is connected with the sinusoidal wave electric signal interface output circuit of tested 10MHz, the output terminal of the 5th two-way programmed control relay 30 is the output terminal by the tested 10MHz sine wave of the programme controlled road electric signal interface of microprocessor module 2.
This embodiment has been used for the electric system test signal and has comprised 1PPS/1PPM pulse, IRIG-B code, 10MHz frequency, and the access of GPS/ Beidou antenna signal and the switching between testing apparatus thereof, and for each testing apparatus provides standard signal interface, the complexity of simplification personnel operation, improve testing efficiency.
The performance index of this embodiment are as follows:
1) aerial signal amplifies, switches
Signal frequency: 1575.42MHz ± 5MHz (GPS), 2450MHz ± 50MHz (Big Dipper);
Output gain: > 5dB (power);
Output way: four road GPS (but wherein two-way programmed control), the two-way Big Dipper (but programmed control);
Antenna input: 1 tunnel (GPS/ Big Dipper dual-band antenna);
Input signal interface type: BNC (elemental network card) interface;
Output signal interface type: BNC (elemental network card) interface;
Antenna feed: 5VDC ± 5%;
2) 10MHz frequency signal
(1) extension frequency signal
Input way a: road;
Input signal types: sine wave;
Input interface type: BNC (elemental network card) interface;
Frequency input signal: 10MHz;
Output voltage: > 600mVCOMS (peak-to-peak value);
Output way a: road;
Output signal type: sine wave;
Output interface type: BNC (elemental network card) interface;
Output signal frequency: 10MHz;
(2) but the programmed control frequency signal
Input way: two-way;
Input signal types: road TTL, mono-a road sine wave;
Input interface type: BNC (elemental network card) interface;
Frequency input signal: 10MHz;
Output way a: road
Output signal type: sine wave;
Output interface type: BNC (elemental network card) interface;
Output signal frequency: 10MHz;
3) pps pulse per second signal
(1) extended time scale pulse signal
Input way a: road;
Input signal types: TTL;
Input interface type: BNC (elemental network card) interface;
Frequency input signal: 1Hz;
Output way: four tunnels;
Output signal type: TTL;
Output interface type: BNC (elemental network card) interface;
Output signal frequency: 1Hz;
Output voltage: 5VCOMS (peak-to-peak value);
Load capacity: > 80mA;
(2) but the programmed control frequency signal
Input way: four tunnels;
Input signal types: two path signal interface (TTL, RS485, idle contact signal), two ways of optical signals interface;
Input interface type: two-way BNC (electric signal interface), two-way ST (optical signal interface);
Frequency input signal: 1Hz;
Output way a: road;
Output signal type: TTL;
Output interface type: BNC (elemental network card) interface;
Output signal frequency: 1Hz;
4) IRIG-B coded signal
(1) first group of program control signal
Input way a: road;
Input signal types: TTL;
Input interface type: BNC (elemental network card) interface;
Frequency input signal: 100Hz;
Output way: four tunnels;
Output signal type: two path signal interface (TTL, 485), two ways of optical signals interface;
Output interface type: BNC (elemental network card) interface;
Output signal frequency: 100Hz;
(2) second groups of program control signals
Input way: two-way;
Input signal types: a road electric signal interface, a road optical signal interface;
Input interface type: a road BNC (electric signal interface), a road ST (optical signal interface; )
Frequency input signal: 100Hz;
Output way: 1 tunnel;
Output signal type: TTL;
Output interface type: BNC (elemental network card) interface;
Output signal frequency: 100Hz;
5) communication interface
Interface type: RJ45;
Communications protocol: TCP/IP;
Communication mode: TCP service end.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For the general technical staff of the technical field of the invention; make without departing from the inventive concept of the premise some alternative or obvious modification that are equal to; and performance or purposes identical, all should be considered as belonging to the present invention's scope of patent protection definite by submitted to claims.
Claims (4)
1. an Intelligent time frequency signal switcher, comprise microprocessor module, global position system GPS/Beidou antenna signaling module, IRIG-B code module, realize by network communication link and remote management machine the communication control module that communication is connected, 1PPS timing pulse module, 10MHz frequency signal module, and be connected respectively with above-mentioned module the power module that working power is provided, wherein, global position system GPS/Beidou antenna signaling module, IRIG-B code module, communication control module, 1PPS timing pulse module, the programmed control end of 10MHz frequency signal module is connected by the programmed control bus with the output terminal of microprocessor module respectively, it is characterized in that:
Described GPS/ Beidou antenna signaling module comprises RF Amplifier Module, No. six power dividers, the six road radio frequency amplifier that connect successively; and ac-coupled device; the input end of described RF Amplifier Module is connected with the GPS/ Beidou antenna; for accessing external GPS/Big Dipper dual-band antenna signal, and amplification is divided into six tunnels by No. six power dividers;
Be respectively equipped with the programmed control radio-frequency (RF) switch between four road output terminals of described six road radio frequency amplifier and four road input ends of described ac-coupled device, four road output terminals of corresponding ac-coupled device are respectively the output terminal of the programme controlled two-way Big Dipper satellite signal of the described microprocessor module of two routes and the output terminal of the programme controlled two-way gps satellite signal of the described microprocessor module of two routes;
Other two-way output terminal of described six road radio frequency amplifier directly is connected with other two-way input end of described ac-coupled device respectively, and the two-way output terminal of corresponding ac-coupled device is respectively the output terminal by the programme controlled two-way gps satellite signal of described microprocessor module;
Described IRIG-B code module is for the expansion of IRIG-B coded signal, interface compatibility and programmed control switching, and it comprises:
The first expansion module of four tunnel outputs is arranged, and the input end of described the first expansion module is connected with standard IR IG-B code output circuit;
The the first two-way programmed control relay, the TTL/485 signal conversion module that connect successively; the two-way input end of described the first two-way programmed control relay is connected with the two-way output terminal of described the first expansion module respectively; the two-way output terminal of described TTL/485 signal conversion module is respectively the output terminal that can be joined IRIG-B code standard source by the programme controlled two path signal interface of described microprocessor module TTL/485, and the IRIG-B code can be set to TTL or the electric type of RS-485;
The the second two-way programmed control relay, the electrooptic conversion module that connect successively; the two-way input end of described the second two-way programmed control relay is connected with the two-way output terminal of described the first expansion module respectively, and the two-way output terminal of described electrooptic conversion module is respectively the output terminal by the programme controlled two ways of optical signals interface of described microprocessor module IRIG-B code standard source;
The first photoelectric conversion module connected successively, the 3rd two-way programmed control relay, the input end of described the first photoelectric conversion module is connected with the optical signal interface output circuit of tested IRIG-B code, the output terminal of described the first photoelectric conversion module is connected with a road input end of described the 3rd two-way programmed control relay, another road input end of described the 3rd two-way programmed control relay directly is connected with the electric signal interface output circuit of tested IRIG-B code, the output terminal of described the 3rd two-way programmed control relay is is the output terminal of IRIG-B code electric signal interface by the programme controlled road signal-under-test output terminal of described microprocessor module,
Expansion, interface compatibility and the programmed control switching of described 1PPS timing pulse module for realizing the 1PPS time scale pulse signal, it comprises:
The second expansion module that four tunnel outputs are arranged; the input end of described the second expansion module is connected with standard 1PPS timing pulse output circuit, and four road output terminals of described the second expansion module are respectively the output terminal by the programme controlled four electric signal interface 1PPS timing pulse extension standards sources, road of described microprocessor module;
The second photoelectric conversion module connected successively, the 4th two-way programmed control relay, the input end of described the second photoelectric conversion module is connected with tested 1PPS timing pulse optical signal interface output circuit, the output terminal of described the second photoelectric conversion module is connected with a road input end of described the 4th two-way programmed control relay, another road input end of described the 4th two-way programmed control relay directly is connected with tested 1PPS timing pulse electric signal interface output circuit, the output terminal of described the 4th two-way programmed control relay is the output terminal by the tested 1PPS time scale pulse signal of the programme controlled road electric signal interface of described microprocessor module,
Described 10MHz frequency signal module is for realizing expansion, switching and the programmed control of 10MHz frequency signal, and it comprises:
The high speed operation amplifier that four tunnel outputs are arranged; the input end of described high speed operation amplifier is connected with standard 10MHz sinusoidal wave output circuit, and four road output terminals of described high speed operation amplifier are respectively the output terminal by the described microprocessor module sinusoidal wave extension standards of programme controlled four road electric signal interface 10MHz source;
The filtration module connected successively, the 5th two-way programmed control relay, the input end of described filtration module is connected with tested 10MHz square-wave signal interface output circuit, the output terminal of described filtration module is connected with a road input end of described the 5th two-way programmed control relay, another road input end of described the 5th two-way programmed control relay directly is connected with the sinusoidal wave electric signal interface output circuit of tested 10MHz, the output terminal of described the 5th two-way programmed control relay is the output terminal by the tested 10MHz sine wave of the programme controlled road electric signal interface of described microprocessor module.
2. Intelligent time frequency signal switcher as claimed in claim 1 is characterized in that:
Described communication control module is the TCP/IP server end, comprise integrated PHY chip, and there is 1 road RJ45 network interface, set up communication link with the remote management machine of TCP/IP client, the program control instruction of assigning by specific internal agreement receiving remote supervisor test analysis management software, and resolved.
3. Intelligent time frequency signal switcher as claimed in claim 1 or 2 is characterized in that:
Described microprocessor module is accepted from outside networking command by communication control module, GPIO mouth level by set MCU, control relevant programmed control relay switch and programmed control radio-frequency (RF) switch break-make, realize the remote control management function of corresponding frequency time signal, described frequency time signal comprises 1PPS/1PPM pulse, IRIG-B code, 10MHz frequency, and GPS/ Beidou antenna signal, described remote control management function comprises switching, the configuration network communications parameter of frequency time signal, and obtains the switching signal current state.
4. Intelligent time frequency signal switcher as claimed in claim 3 is characterized in that:
Described remote management machine is PC.
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| CN110579655A (en) * | 2018-06-11 | 2019-12-17 | 杭州涂鸦信息技术有限公司 | Time domain characteristic evaluation method and evaluation device of radio frequency device |
| CN109738676B (en) * | 2019-03-06 | 2023-11-24 | 湖南省湘电试验研究院有限公司 | Frequency signal wiring switching device and application method thereof |
| CN113075450B (en) * | 2021-02-22 | 2023-04-25 | 中国电子科技集团公司第二十九研究所 | Method for analyzing radio frequency and intermediate frequency of broadband frequency compressed signal based on sampling rate |
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| CN102590612A (en) | 2012-07-18 |
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