CN203166935U - Portable ultrashort wave frequency hopping radio performance testing instrument - Google Patents
Portable ultrashort wave frequency hopping radio performance testing instrument Download PDFInfo
- Publication number
- CN203166935U CN203166935U CN2013201448139U CN201320144813U CN203166935U CN 203166935 U CN203166935 U CN 203166935U CN 2013201448139 U CN2013201448139 U CN 2013201448139U CN 201320144813 U CN201320144813 U CN 201320144813U CN 203166935 U CN203166935 U CN 203166935U
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- radio
- signal
- frequency
- ultrashort wave
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The utility model provides a portable ultrashort wave frequency hopping radio performance testing instrument, which mainly comprises a coupler connected with a tested radio, a radio frequency processing module, a data acquisition card, a control panel and an external touch screen, wherein the data acquisition card comprises an analog-to-digital converter, a digital down converter and a field programmable gate array which are sequentially connected; the coupler sends signals transmitted by the transmitting radio to the radio frequency processing module; the radio frequency processing module comprises a filter group formed by a plurality of filters, carries out frequency band division on the signals from the coupler, acquires a radio frequency signal frequency group, and sends the radio frequency signal frequency group to the data acquisition card; the data acquisition card carries out digital processing on the radio frequency signal frequency group; and the control panel adopts an ARM chip as a main processor, carries out short-term FFT conversion on baseband signals from the data acquisition card, and sends the computed results to the external touch screen to display. Compared with the prior art, the portable ultrashort wave frequency hopping radio performance testing instrument has the outstanding advantages of equipment miniaturization, modularization, generalization and the like.
Description
Technical field
The utility model relates to the digital signal processing appts field, especially relates to a kind of performance detector of portable ultrashort wave frequency hopping station.
Background technology
Ultrashort wave also claims " metric wave ", refer to wavelength from 1 meter to 10 meters the radio wave band of (corresponding frequency from 300 megahertzes to 30 megahertzes).Different with shortwave propagation, ultrashort wave is because frequency is higher, the electric wave of emission generally will penetrate the ionosphere zip through space, and can not be ionized a layer reflected back ground, therefore, ultrashort wave does not have ionospheric reflection in transmission characteristic, but mainly relies on ionospheric scattering to realize long-distance communications, is widely used in navigation, TV, FM broadcasting, radar, ionospheric scatter communication, fixing and mobile communication business etc.
In the prior art, present stage adopts integrated test system or frequency spectrograph, oscilloscope, modulating domain analyzing instrument etc. to concentrate in together detection at the detection of frequency hopping radio set more, and not only number of devices is many during detection, and bulky; Perhaps measuring accuracy does not often reach desirable requirement.Therefore, design and manufacture a kind of performance detector of portable ultrashort wave frequency hopping station that integrates multiple functions such as frequency spectrograph, oscilloscope, modulating domain analyzing instrument and just seem very valuable.
The utility model content
The technical problems to be solved in the utility model is: at the problem that prior art exists, provide a kind of and integrate instrument partial functions such as oscilloscope, frequency spectrograph, modulating domain analyzing instrument, can finish the performance detector of portable ultrashort wave frequency hopping station that indexs such as channel switching time to ultrashort wave frequency hopping station, frequency hopping rate, frequency hopping bandwidth, frequency hopping frequency set are measured automatically.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of performance detector of portable ultrashort wave frequency hopping station mainly comprises the coupler, radio frequency processing module, data collecting card and control board and the external touch that are connected with tested radio station.Wherein, described coupler is sent into the radio frequency processing module with the signal of transmitting station emission by its coupled end; Described radio frequency processing module includes the bank of filters that several filters are formed, the signal that will come from described coupler carries out frequency range to be cut apart, obtain radio frequency signal frequency group and be sent to described data collecting card, by data collecting card the radio frequency signal frequency group that obtains is carried out digitized processing; Described control board adopts the ARM chip as primary processor, and the baseband signal from data collecting card is made short time FFT transform, and gained calculating parameter result is delivered to described external touch and demonstration.
Described data collecting card comprises analog to digital converter, digital down converter and the field programmable gate array that connects successively.Wherein, described analog to digital converter carries out bandpass sampling with the radio frequency signal frequency group of input, obtains the if sampling signal; Described digital down converter fades to base band with digitized if sampling signal, obtains I, the Q data of quadrature, carries out base band signal process by field programmable gate array; Described field programmable gate array carries out data analysis, and the gained baseband signal is sent to described control board.
Compared with prior art, a kind of performance detector of portable ultrashort wave frequency hopping station of the utility model can be integrated the partial function of instruments such as oscilloscope, frequency spectrograph, modulating domain analyzing instrument, the application software radiotechnics, thereby reduced the testing equipment volume greatly, realize device miniaturization, modularization, generalization, can finish the automatic measurement of indexs such as channel switching time to ultrashort wave frequency hopping station, frequency hopping rate, frequency hopping bandwidth, frequency hopping frequency set.
Description of drawings
Fig. 1 is the composition structure chart of a kind of performance detector of portable ultrashort wave frequency hopping station of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, a kind of performance detector of portable ultrashort wave frequency hopping station mainly comprises the coupler, radio frequency processing module, data collecting card and control board and the external touch that are connected with tested radio station.
Wherein, described coupler is connected with tested radio station, the signal of high-power transmitting station emission is coupled out a fraction of signal and sends into the radio frequency processing module by its coupled end, its degree of coupling is generally between 40dB～60dB, to guarantee that detecting instrument can not burnt out by high-power signal, the degree of coupling that present embodiment is got is 50dB.Described radio frequency processing module includes the bank of filters that several filters are formed, cut apart by using various filters that the signal that comes from coupler is carried out frequency range, obtain radio frequency signal frequency group, so that the processing of rear end equipment, also can alleviate the pressure of back-end processing, in the present embodiment, the radio frequency processing module is divided frequency range as shown in the table by filter:
After the above-mentioned frequency range of process was cut apart, the radio frequency processing module was sent to described data collecting card with the radio frequency signal frequency group that obtains, and by data collecting card the radio frequency signal frequency group that obtains was carried out digitized processing.
Described data collecting card comprises analog to digital converter, digital down converter and the field programmable gate array that connects successively.Wherein, described analog to digital converter carries out bandpass sampling with the radio frequency signal frequency group of input, and sample frequency is 65MHz, obtains the if sampling signal; Described digital down converter fades to base band with digitized if sampling signal, obtains I, the Q data of quadrature, carries out base band signal process by field programmable gate array; Described field programmable gate array carries out data analysis, and the gained baseband signal is sent to described control board.
It is the S3C2410X flush bonding processor of core that described control board adopts with ARM920T, and ARM920T nuclear is made up of ARM9TDMI, memory management unit (MMU) and high-speed cache three parts.Wherein, MMU can the managing virtual internal memory; High-speed cache is by independently 16KB address and 16KB data high-speed Cache form.This ARM9 series processors main feature is as follows: (1) supports 32 ARM instruction set and 16 Thumb instruction set; (2) 5 level production lines; (3) single 32 AMBA bus interface; (4) MMU supports Windows CE, Palm OS, Symbian OS, Linux etc.; (5) MPU supports real time operating system, comprises Vxworks; (6) unified Data Cache and instruction Cache.Control board mainly is that the baseband signal from data collecting card is made short time FFT transform, calculating parameter then, and the result delivered on the external touch-screen show.For conveniently checking the demonstration result, the touch-screen on the described control board adopts 8 " touch-screen.
The utility model cooperates the application of above-mentioned software and radio technique again by the modular combination design, can finish the automatic measurement of indexs such as channel switching time to ultrashort wave frequency hopping station, frequency hopping rate, frequency hopping bandwidth, frequency hopping frequency set, if when the spectral characteristic of detection signal, the frequency hopping radio set performance detector can detect frequency and the amplitude size of measured signal automatically after start, can reach the function of frequency spectrograph substantially.Therefore, the utility model has been integrated the partial function of instruments such as oscilloscope, frequency spectrograph, modulating domain analyzing instrument, thereby has reduced the testing equipment volume greatly, has realized device miniaturization, modularization, generalization; Shorter owing to ultrashort wavelength again, so the dual-mode antenna size can be less, when short haul connection, only needs to be equipped with very little communication equipment, thereby be conducive to the further miniaturization of detector equipment.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; should be pointed out that all any modifications of within spirit of the present utility model and principle, doing, be equal to replacement and improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. performance detector of portable ultrashort wave frequency hopping station, mainly comprise the coupler and the radio frequency processing module that are connected with tested radio station, described coupler is sent into the radio frequency processing module with the signal of transmitting station emission by its coupled end, it is characterized in that: also comprise data collecting card, control board and external touch, and, described radio frequency processing module is sent to described data collecting card with radio frequency signal frequency group, by data collecting card the radio frequency signal frequency group that obtains is carried out digitized processing; Described control board is made short time FFT transform to the baseband signal from data collecting card, and gained calculating parameter result is delivered to described external touch and demonstration.
2. a kind of performance detector of portable ultrashort wave frequency hopping station according to claim 1, it is characterized in that: described data collecting card comprises analog to digital converter, digital down converter and the field programmable gate array that connects successively, wherein, described analog to digital converter carries out bandpass sampling with the radio frequency signal frequency group of input, obtains the if sampling signal; Described digital down converter fades to base band with digitized if sampling signal, obtains I, the Q data of quadrature, carries out base band signal process by field programmable gate array; Described field programmable gate array carries out data analysis, and the gained baseband signal is sent to described control board.
3. a kind of performance detector of portable ultrashort wave frequency hopping station according to claim 1, it is characterized in that: described radio frequency processing module includes the bank of filters that several filters are formed, the signal that will come from described coupler carries out frequency range to be cut apart, and obtains radio frequency signal frequency group and is sent to described data collecting card.
4. according to claim 1 or 2 described a kind of performance detector of portable ultrashort wave frequency hopping station, it is characterized in that: described control board adopts the ARM chip as primary processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201448139U CN203166935U (en) | 2013-03-27 | 2013-03-27 | Portable ultrashort wave frequency hopping radio performance testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201448139U CN203166935U (en) | 2013-03-27 | 2013-03-27 | Portable ultrashort wave frequency hopping radio performance testing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166935U true CN203166935U (en) | 2013-08-28 |
Family
ID=49028088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201448139U Expired - Fee Related CN203166935U (en) | 2013-03-27 | 2013-03-27 | Portable ultrashort wave frequency hopping radio performance testing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158608A (en) * | 2014-08-06 | 2014-11-19 | 武汉中元通信股份有限公司 | Automatic test system based on performance index of frequency hopping co-located filter |
-
2013
- 2013-03-27 CN CN2013201448139U patent/CN203166935U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158608A (en) * | 2014-08-06 | 2014-11-19 | 武汉中元通信股份有限公司 | Automatic test system based on performance index of frequency hopping co-located filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101662328A (en) | Portable ultrashort wave frequency hopping radio station performance detector | |
| CN104749498B (en) | A kind of detection of Portable PD On-Line and diagnostic device | |
| CN208432723U (en) | Radar power test device | |
| CN102752061B (en) | Device and method for generating reference signal of phase-locked amplifier of millimeter wave attenuation measurement system | |
| CN209606513U (en) | One kind being based on AD9361 multichannel spectrum analysis Embedded Hardware Platform | |
| CN104993887B (en) | Integrated pulse condition noise coefficient method of testing and tester | |
| CN206710543U (en) | A kind of hand-held binary channels partial discharge detection device | |
| CN103529456A (en) | Anti-interference A/D (analog-to-digital) chip for Compass satellite navigation | |
| CN104090274A (en) | Outer transmitter-based radar system based on multi-FM broadcasting and signal processing method | |
| CN103490784A (en) | Two-channel satellite navigation anti-interference A/D chip | |
| CN104459652A (en) | High-precision 3 mm-waveband single-side-band noise coefficient spread spectrum measurement device and method | |
| CN203166935U (en) | Portable ultrashort wave frequency hopping radio performance testing instrument | |
| CN112636848B (en) | Hand-held radio comprehensive tester and testing method thereof | |
| CN212160069U (en) | S-band weather radar test system spectrum analysis device | |
| CN111537806A (en) | On-spot metering device of ocean ground wave radar electromagnetic signal | |
| CN205986892U (en) | Radio frequency transceiving front end testboard | |
| CN210327547U (en) | Real-time frequency spectrum monitoring equipment | |
| CN104111372A (en) | Analytical equipment of frequency conversion electricity based on digital transmission | |
| CN117007868A (en) | Vector network analysis device and system | |
| CN204305038U (en) | A kind of ultrashort wave radio set digital communication receiving sensitivity test circuit | |
| CN202794347U (en) | Electromagnetic environment automated testing device for aviational radio navigation station | |
| CN206421029U (en) | Multichannel satellite navigation radio-frequency signal gathers playback system | |
| CN204479745U (en) | For the device of noise figure test | |
| CN101877617A (en) | Portable wireless monitor | |
| CN1980100A (en) | Real-time continuous wide-band wire-less transmitting detection method and apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20160113 Granted publication date: 20130828 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160713 Granted publication date: 20130828 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20160327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |