CN205656302U - Full automatic testing device of universalization radar microwave system performance index - Google Patents
Full automatic testing device of universalization radar microwave system performance index Download PDFInfo
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- CN205656302U CN205656302U CN201620407081.1U CN201620407081U CN205656302U CN 205656302 U CN205656302 U CN 205656302U CN 201620407081 U CN201620407081 U CN 201620407081U CN 205656302 U CN205656302 U CN 205656302U
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Abstract
The utility model relates to a full automatic testing device of universalization radar microwave system performance index, including the digital interface module, its first input end connects the measured piece, and its second input links to each other with logic control circuit's first output, its output termination computer network mouth, logic control circuit's second output links to each other with the first input end of microwave output way modeling piece, logic control circuit's third output and the first input end that way modeling piece was inputed to the microwave are continuous, the USB mouth of logic control circuit's input termination computer, 32 way analog signal of the second input termination measured piece output of microwave output way modeling piece, the output termination instrument of microwave output way modeling piece, the second input termination signal source or the noise source of microwave input way modeling piece, the signal input part of the output termination measured piece of microwave input way modeling piece. The utility model has the characteristics of signal interface is abundant, the commonality is strong, and the frequency coverage is wide, the joining method is simple, and efficiency of software testing is high.
Description
Technical field
This utility model relates to radar microwave system test technical field, the full-automatic testing device of a kind of generalization radar microwave system performance index.
Background technology
Along with the progress of science and technology, the R&D cycle of electronic product is progressively shortening, and the test to product it is also proposed higher requirement, full-automatic testing and the inexorable trend that analysis is future development.Along with radar system integration degree is more and more higher, the test of radar performance figure is more and more prominent in radar debugging and the effect in Support stage, along with radar system becomes increasingly complex, test access and data volume get more and more, and the microwave test efficiency and the data analysis efficiency that account for radar performance figure groundwork amount are very restricted.
In order to solve above-mentioned situation, different radar producers goes to develop for the radar of different model and tests device accordingly, but due to different frequency, the restriction of the different factor such as system, different digital output form, indivedual producers solve only the test of the indivedual index of radar microwave system, in different frequency coverage, digital interface form, combination controls logic, data process and software tests device rationally, efficiently due to the most unified, and corresponding automatic test degree and testing efficiency also cannot meet the requirement of radar test development.Further, since the specialized property of equipment, causing test resource waste ratio more serious, the exploitation of corresponding test program does not the most possess versatility, and extensibility is also by the biggest restriction.
Utility model content
The full-automatic testing device of the generalization radar microwave system performance index that the purpose of this utility model is to provide a kind of generalization degree testing efficiency good, automatic high and has favorable compatibility.
For achieving the above object, this utility model have employed techniques below scheme: the full-automatic testing device of a kind of generalization radar microwave system performance index, digital interface module including the digital signal for receiving measured piece output, its first input end connects measured piece, its second input is connected with the first outfan of logic control circuit, its output termination computer network mouth；Second outfan of logic control circuit is connected with the first input end of microwave output road modeling block, 3rd outfan of logic control circuit is connected with the first input end of microwave input road modeling block, the USB port of the input termination computer of logic control circuit, 32 tunnel analogue signals of the second input termination measured piece output of microwave output road modeling block, the output termination instrument of microwave output road modeling block, second input termination signal source or noise source of microwave input road modeling block, the signal input part of the output termination measured piece of microwave input road modeling block.
Described digital interface module includes input interface module, multi-data processing switching circuit and LAN interface output circuit, the digital signal of the input termination measured piece output of input interface module, the outfan of input interface module is connected with the first input end of multi-data processing switching circuit, first outfan of the second input termination logic control circuit of multi-data processing switching circuit, the outfan of multi-data processing switching circuit is connected with the input of LAN interface output circuit, the output termination computer network mouth of LAN interface output circuit.
Described microwave output road modeling block includes that intermediate frequency absorption 32 selects 1 switch, radio frequency absorption formula 32 to select 1 switch and signal output to select module, intermediate frequency absorption 32 selects the second input of 1 switch and radio frequency absorption formula 32 to select the second input of 1 switch to terminate 32 tunnel analogue signals of measured piece output, intermediate frequency absorption 32 selects 1 switch, radio frequency absorption formula 32 to select the outfan of 1 switch all to select the second input of module to be connected with signal output, and signal output selects the output termination instrument of module；Intermediate frequency absorption 32 selects the first input end of 1 switch, radio frequency absorption formula 32 to select the output of the first input end of 1 switch, signal to select the first input end of module to be all connected with the second outfan of logic control circuit.
Described microwave input road modeling block includes that intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects 1 switch and signal input to select module, signal input selects the second input termination instrument of module, signal input selects the outfan of module reflective with intermediate frequency 32 to select 1 switch respectively, RF-reflective formula 32 selects the second input of 1 switch to be connected, intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects the signal input part of the output termination measured piece of 1 switch, intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects 1 switch to select the first input end of module to be all connected with the 3rd outfan of logic control circuit with signal input.
Described input interface module is made up of LVDS interface circuit and TTL interface circuit.
As shown from the above technical solution, the utility model has the advantage of: first, this utility model has simple in construction, frequency coverage width, digital microwave interface compatibility are strong, possessing numeral, intermediate frequency, the various signal input output interface of high frequency, cover interface shape necessary to radar test, the selection of internal signal module and process have stronger generalization, connected by simple, it is possible to achieve the full-automatic testing of tested microwave system performance indications；Second, provide digital interface module, cover current LVDS and numeral TTL format interface, meanwhile, according to different data modes, 2 kinds of different interface circuits of indoor design, contain digital signal input voltage range from 1.5V～5.0V, ensure process and the decomposition of data follow-up signal, for the diversity of different model radar digital signal input, it is provided that matched interface mode；3rd, can be according to the frequency of tested radar microwave signal, selecting different input interfaces, the signal being completed corresponding frequencies by different input interfaces is transmitted and coupling, selects module to solve broadband (5MHz～6GHz) by follow-up signal output and inputs the restriction with gain balance；4th, different output interfaces can be selected according to the different excitations of tested radar, selects module to select different output interfaces by signal input, complete transmission and the coupling of corresponding Test input signal, solve the restriction of broadband (5MHz～6GHz) output and gain balance.Therefore, signaling interface is abundant, highly versatile to use the automatic testing equipment of the provided microwave of this utility model to have, frequency coverage width, method of attachment simply, testing efficiency high feature.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model；
Fig. 2 is the circuit structure block diagram of digital interface module in Fig. 1；
Fig. 3 is the circuit structure block diagram of microwave output road modeling block in Fig. 1；
Fig. 4 is the circuit structure block diagram of microwave input road modeling block in Fig. 1.
Detailed description of the invention
As shown in Figure 1, a kind of full-automatic testing device of generalization radar microwave system performance index, digital interface module 1 including the digital signal for receiving measured piece output, its first input end connects measured piece, its second input is connected with the first outfan of logic control circuit, its output termination computer network mouth；Second outfan of logic control circuit is connected with the first input end of microwave output road modeling block 2,3rd outfan of logic control circuit is connected with the first input end of microwave input road modeling block 3, the USB port of the input termination computer of logic control circuit, 32 tunnel analogue signals of the second input termination measured piece output of microwave output road modeling block 2, the output termination instrument of microwave output road modeling block 2, second input termination signal source or noise source of microwave input road modeling block 3, the signal input part of the output termination measured piece of microwave input road modeling block 3.Computer herein refers to host computer, the digital signal of digital interface module 1 output is transferred to computer by network, and the signal that computer export is used for selecting, switch and controlling is respectively to digital interface module 1, microwave output road modeling block 2 and microwave input road modeling block 3.
As shown in Figure 2, described digital interface module 1 includes input interface module 4, multi-data processing switching circuit and LAN interface output circuit, the digital signal of the input termination measured piece output of input interface module 4, the outfan of input interface module 4 is connected with the first input end of multi-data processing switching circuit, first outfan of the second input termination logic control circuit of multi-data processing switching circuit, the outfan of multi-data processing switching circuit is connected with the input of LAN interface output circuit, the output termination computer network mouth of LAN interface output circuit.Described input interface module 4 is made up of LVDS interface circuit and TTL interface circuit.
As shown in Figure 3, described microwave output road modeling block 2 includes that intermediate frequency absorption 32 selects 1 switch, radio frequency absorption formula 32 to select 1 switch and signal output to select module, intermediate frequency absorption 32 selects the second input of 1 switch and radio frequency absorption formula 32 to select the second input of 1 switch to terminate 32 tunnel analogue signals of measured piece output, intermediate frequency absorption 32 selects 1 switch, radio frequency absorption formula 32 to select the outfan of 1 switch all to select the second input of module to be connected with signal output, and signal output selects the output termination instrument of module；Intermediate frequency absorption 32 selects the first input end of 1 switch, radio frequency absorption formula 32 to select the output of the first input end of 1 switch, signal to select the first input end of module to be all connected with the second outfan of logic control circuit.Microwave output road modeling block is by the multiple-channel output analogue signal of measured piece (microwave system), controls internal logic control circuits by outer computer, it is achieved measured piece signal is to the automatic switchover of different instrument end.
As shown in Figure 4, described microwave input road modeling block 3 includes that intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects 1 switch and signal input to select module, signal input selects the second input termination instrument of module, signal input selects the outfan of module reflective with intermediate frequency 32 to select 1 switch respectively, RF-reflective formula 32 selects the second input of 1 switch to be connected, intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects the signal input part of the output termination measured piece of 1 switch, intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects 1 switch to select the first input end of module to be all connected with the 3rd outfan of logic control circuit with signal input.Microwave input road modeling block is by test signal or noise signal, controls internal logic control circuits by outer computer, it is achieved test the automatic switchover to measured piece difference input of signal or noise signal.
It is further described below in conjunction with Fig. 1 to 4 pair of this utility model.
Logic control circuit IO (the Input and by response external computer USB
Output) control instruction, it is achieved to internal digital interface module 1, microwave output road modeling block 2, the control of microwave input road modeling block 3；Described logic control circuit output combination control level carries out one way link control to digital interface module 1, microwave output road modeling block 2, microwave input road modeling block 3.
Digital interface module 1 is by general LVDS interface input chip and TTL interface chip, the many groups digital signal that will collect, in the case of outside is computer-controlled, by multichannel data hand-off process circuit, being switched over by digital signal and analyze and process, then, LAN interface output circuit is delivered in data packing, by outside computer control system, it is achieved test and the analysis to measured number signal.
Signal input module in microwave output road modeling block 2 is divided into again intermediate frequency input and radio frequency to input, the intermediate frequency absorption 32 of multi input selects 1 switch and radio frequency absorption formula 32 to select the switch module of 1 switch all to use absorption technology, it is possible not only to the impact improving signal input port standing wave to tested system, the isolation of signal between path can also be improved, reduce hardware designs and the difficulty of index realization, internal signal output selects module to use frequency-division section modular design, to meet the requirements such as switch isolation, amplitude coincidence, switching speed.
Signal output module in microwave input road modeling block 3 is divided into again intermediate frequency output and radio frequency to export, the intermediate frequency reflective 32 of multi output selects 1 switch and RF-reflective formula 32 to select the switch module of 1 switch all to use reflective technology, it is possible not only to the impact improving signal output port standing wave to tested system, the isolation of signal between path can also be improved, reduce hardware designs and the difficulty of index realization, internal signal input selects module to use frequency-division section modular design, to meet the requirements such as switch isolation, amplitude coincidence, switching speed.
In sum, this utility model has simple in construction, frequency coverage width, digital microwave interface compatibility are strong, possess numeral, intermediate frequency, the various signal input output interface of high frequency, cover interface shape necessary to radar test, the selection of internal signal module and process have stronger generalization, are connected by simple, it is possible to achieve the full-automatic testing of tested microwave system performance indications；Having that signaling interface is abundant, highly versatile, frequency coverage width, method of attachment are simple, the feature that testing efficiency is high.
Claims (5)
1. the full-automatic testing device of a generalization radar microwave system performance index, it is characterized in that: include the digital interface module (1) for receiving the digital signal that measured piece exports, its first input end connects measured piece, its second input is connected with the first outfan of logic control circuit, its output termination computer network mouth；Second outfan of logic control circuit is connected with the first input end of microwave output road modeling block (2), 3rd outfan of logic control circuit is connected with the first input end of microwave input road modeling block (3), the USB port of the input termination computer of logic control circuit, 32 tunnel analogue signals of the second input termination measured piece output of microwave output road modeling block (2), the output termination instrument of microwave output road modeling block (2), second input termination signal source or noise source of microwave input road modeling block (3), the signal input part of the output termination measured piece of microwave input road modeling block (3).
The full-automatic testing device of generalization radar microwave system performance index the most according to claim 1, it is characterized in that: described digital interface module (1) includes input interface module (4), multi-data processing switching circuit and LAN interface output circuit, the digital signal of the input termination measured piece output of input interface module (4), the outfan of input interface module (4) is connected with the first input end of multi-data processing switching circuit, first outfan of the second input termination logic control circuit of multi-data processing switching circuit, the outfan of multi-data processing switching circuit is connected with the input of LAN interface output circuit, the output termination computer network mouth of LAN interface output circuit.
The full-automatic testing device of generalization radar microwave system performance index the most according to claim 1, it is characterized in that: described microwave output road modeling block (2) includes that intermediate frequency absorption 32 selects 1 switch, radio frequency absorption formula 32 selects 1 switch and signal output to select module, intermediate frequency absorption 32 selects the second input of 1 switch and radio frequency absorption formula 32 to select the second input of 1 switch to terminate 32 tunnel analogue signals of measured piece output, intermediate frequency absorption 32 selects 1 switch, radio frequency absorption formula 32 selects the outfan of 1 switch all to select the second input of module to be connected with signal output, signal output selects the output termination instrument of module；Intermediate frequency absorption 32 selects the first input end of 1 switch, radio frequency absorption formula 32 to select the output of the first input end of 1 switch, signal to select the first input end of module to be all connected with the second outfan of logic control circuit.
The full-automatic testing device of generalization radar microwave system performance index the most according to claim 1, it is characterized in that: described microwave input road modeling block (3) includes that intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects 1 switch and signal input to select module, signal input selects the second input termination signal source or noise source of module, signal input selects the outfan of module reflective with intermediate frequency 32 to select 1 switch respectively, RF-reflective formula 32 selects the second input of 1 switch to be connected, intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects the signal input part of the output termination measured piece of 1 switch, intermediate frequency reflective 32 selects 1 switch, RF-reflective formula 32 selects 1 switch to select the first input end of module to be all connected with the 3rd outfan of logic control circuit with signal input.
The full-automatic testing device of generalization radar microwave system performance index the most according to claim 2, it is characterised in that: described input interface module (4) is made up of LVDS interface circuit and TTL interface circuit.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462940A (en) * | 2017-07-04 | 2017-12-12 | 西安飞机工业（集团）有限责任公司 | A kind of Auto-Test System of weather radar |
| CN108073149A (en) * | 2016-11-11 | 2018-05-25 | 华晨汽车集团控股有限公司 | Clock signal generation device |
-
2016
- 2016-05-06 CN CN201620407081.1U patent/CN205656302U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073149A (en) * | 2016-11-11 | 2018-05-25 | 华晨汽车集团控股有限公司 | Clock signal generation device |
| CN107462940A (en) * | 2017-07-04 | 2017-12-12 | 西安飞机工业（集团）有限责任公司 | A kind of Auto-Test System of weather radar |
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