CN101931422B - Portable out-field comprehensive test receiver for microwave landing system - Google Patents
Portable out-field comprehensive test receiver for microwave landing system Download PDFInfo
- Publication number
- CN101931422B CN101931422B CN2010102620119A CN201010262011A CN101931422B CN 101931422 B CN101931422 B CN 101931422B CN 2010102620119 A CN2010102620119 A CN 2010102620119A CN 201010262011 A CN201010262011 A CN 201010262011A CN 101931422 B CN101931422 B CN 101931422B
- Authority
- CN
- China
- Prior art keywords
- unit
- data
- dpsk
- information processing
- function decoding
- 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
Images
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The invention relates to a portable out-field comprehensive test receiver for a microwave landing system. A radio frequency channel is connected with an intermediate frequency unit which is respectively connected with an enveloped information processing unit and a dpsk (Differential Phase Shift Keying) data demodulating and function decoding unit. The enveloped information processing unit is respectively connected with the dpsk data demodulating and function decoding unit as well as a data processing and display unit. The data processing and display unit is connected with an EL (Electroluminescence) display screen and an input interface and control unit. A panel keyboard is connected with the dpsk data demodulating and function decoding unit via the input interface and control unit. The input interface and control unit is respectively connected with the radio frequency channel and a self-detection signal generation unit which is connected with the intermediate frequency unit. The dpsk data demodulating and function decoding unit is connected with a synchronous signal output. The enveloped information processing unit is connected with a log video output. The radio frequency channel is connected with an antenna part. The software process comprises the following steps of: (1) establishing multiple threads and setting initial sending parameters; (2) receiving and judging user input; (3) receiving state information; and (4) receiving measuring data information, and calculating and displaying the received measuring data information. The out-field comprehensive test receiver has the advantages of small size, simple operation and saved flight calibration cost.
Description
Technical field
The present invention relates to a kind of microwave landing system testing equipment, particularly a kind of portable out-field comprehensive test receiver for microwave landing system.
Background technology
Microwave landing system (MLS) has become the necessary equipment of the accurate landing guidance of Advanced Aircraft, one of requisite equipment when portable out-field comprehensive test receiver for microwave landing system is MLS pallet, maintenance.External 8086 microprocessors that adopt are processed signal, when showing same function menu, need a plurality of buttons of operation, operate more complicated; What domestic like product adopted is and the identical scheme of external product that the interface is menu in English, uses more inconvenient.
Summary of the invention
Problem in view of above existence, the present invention has adopted advanced DSP treatment technology to carry out signal and has processed, human-computer interaction interface adopts pure menu operation mode, not only can various signal parameters and the data that the outer marker antenna of Azimuth Station scanning antenna, elevation angle platform scanning antenna and data antenna, the area of coverage of MLS is launched be detected in real time, can carry out Real-Time Monitoring to the impact of place environment, compare with traditional checkout equipment, also increased the function that electromagnetic environment is checked.
concrete technical scheme is: a kind of portable out-field comprehensive test receiver for microwave landing system, comprise antenna part and Receiving Host, it is characterized in that: Receiving Host comprises the radio-frequency channel, intermediate frequency unit, the envelope information processing unit, dpsk data demodulates and function decoding unit, data processing and display unit and self-test signal generation unit, it is connected to the radio-frequency channel and is connected with intermediate frequency unit is unidirectional, intermediate frequency unit is unidirectional connection envelope information processing unit respectively, dpsk data demodulates and function decoding unit, the envelope information processing unit respectively with dpsk data demodulates and function decoding unit, data are processed and are connected with display unit is two-way, data are processed and the unidirectional el panel that is connected of display unit, simultaneously, be connected input interface and control unit with keyboard interface by serial ports, panel and keypad is by unidirectional dpsk data demodulates and the function decoding unit of being connected of input interface and control unit, input interface and the unidirectional radio-frequency channel that is connected of control unit, unidirectional connection self-test signal generation unit, simultaneously, by the unidirectional connection intermediate frequency unit of self-test signal generation unit, the dpsk data demodulates is connected synchronizing signal output with the function decoding unit, the envelope information processing unit connects the output of logarithm video, the radio-frequency channel coupled between antenna portions.
Software flow comprises the following steps, (1) create multithreading and the setting of transmission initial parameter: create serial ports reception, send-thread and USB receiving thread, with transmission initial setting up instruction, by serial ports, data are processed with display unit and carried out the initial parameter setting;
(2) receiving the user inputs and judges: receive the user and input and judge that whether the user arranges state, have, send mode set command, by serial ports, data are processed and display unit accepting state change directive;
(3) receiving status information: receive the state information of input interface and control unit transmission and processed and display unit change state by data;
(4) receive measurement data information and calculate, show: receive that the measurement data information that the envelope information processing unit sends is carried out standard angle power, calculate the region, judge whether current interface is the angular surveying interface, be, calculate and show respective angles Track In Track error and Control motion noise, no, judge whether current interface is the data word display interface, calculate in this way and show respective data word.
Technical characterstic of the present invention be volume little, lightweight, be easy to carry about with one, simple to operate, man-machine interface is friendly, detection dynamic range to signal is large, highly sensitive, real-time, certainty of measurement is high, can make the school fly number of times and the school time of flying greatly reduces, and saves calibration flight cost.
Description of drawings
Fig. 1 is Receiving Host block diagram of the present invention.
Fig. 2 is software flow pattern of the present invention.
Embodiment
As Fig. 1,2, as shown in, antenna part comprises C-band plane reception antenna, radio frequency cable and adjustable for height support, host hardware partly comprises Receiver Module, function decoding unit, computer unit, master control self-test unit, and antenna part is connected with Receiving Host with radio frequency cable.
Receiver Module comprises unit, radio-frequency channel, intermediate frequency unit and DPSK data demodulation unit.Receiver Module receives the radiofrequency signal of 5031MHz～5090.7MHz, through filtering, amplification, mixing, and after logarithmic amplification, signal demodulation, output logarithm vision signal and DPSK restituted signal.
The function decoding unit comprises function decoding and envelope information processing capacity, in real time signal power, signal angle and basic/parameters such as auxiliary data word is measured, and measurement result and data message are sent to computer unit after reception logarithm vision signal; The envelope information processing unit is under the control from the control of DPSK data demodulates function decoding unit and synchronizing signal, logarithm vision signal to intermediate frequency unit output is carried out the isoparametric measurement of power and angle in real time, read out simultaneously master data word and auxiliary data word in DPSK data demodulates and decoding unit, and with measurement result and transfer of data in data display unit.
Computer unit is comprised of industrial computer (PC104), keyboard, keyboard interface circuit, power inverter and LCDs, to processing from the signal of function decoding unit, produce corresponding control signal, control the data processing and with the software of display unit, data are correspondingly processed, and the brilliant screen display of result liquor charging is shown.
The self-test signal generation unit is comprised of waveform generator (dpsk signal and sweep signal), digital-to-analog converter, analog switch and frequency mixer, produces the angle function burst.The self-test signal generation unit is pressed MLS signal format and is produced orientation, elevation signals, in order to receiver intermediate frequency unit, envelope information processing unit, data demodulates and function decoding unit, data processing and display unit etc. are partly checked.Software program is stored in Dpsk data and function decoding unit.
Claims (1)
1. portable out-field comprehensive test receiver for microwave landing system, comprise antenna part and Receiving Host, it is characterized in that: Receiving Host comprises the radio-frequency channel, intermediate frequency unit, the envelope information processing unit, dpsk data demodulates and function decoding unit, data processing and display unit and self-test signal generation unit, it is connected to the radio-frequency channel and is connected with intermediate frequency unit is unidirectional, intermediate frequency unit is unidirectional connection envelope information processing unit respectively, dpsk data demodulates and function decoding unit, the envelope information processing unit respectively with dpsk data demodulates and function decoding unit, data are processed and are connected with display unit is two-way, data are processed and the unidirectional el panel that is connected of display unit, simultaneously, be connected input interface and control unit with keyboard interface by serial ports, panel and keypad is by unidirectional dpsk data demodulates and the function decoding unit of being connected of input interface and control unit, input interface and the unidirectional radio-frequency channel that is connected of control unit, unidirectional connection envelope information processing unit, simultaneously, by the unidirectional connection intermediate frequency unit of self-test signal generation unit, the dpsk data demodulates is connected synchronizing signal output with the function decoding unit, the envelope information processing unit connects the output of logarithm video, the radio-frequency channel coupled between antenna portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102620119A CN101931422B (en) | 2010-08-25 | 2010-08-25 | Portable out-field comprehensive test receiver for microwave landing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102620119A CN101931422B (en) | 2010-08-25 | 2010-08-25 | Portable out-field comprehensive test receiver for microwave landing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101931422A CN101931422A (en) | 2010-12-29 |
| CN101931422B true CN101931422B (en) | 2013-06-19 |
Family
ID=43370381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102620119A Active CN101931422B (en) | 2010-08-25 | 2010-08-25 | Portable out-field comprehensive test receiver for microwave landing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101931422B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529434B (en) * | 2013-09-30 | 2015-09-23 | 中国电子科技集团公司第二十研究所 | Microwave approach receiver angle measurement accuracy analytical approach |
| CN105185183A (en) * | 2015-10-12 | 2015-12-23 | 四川天中星航空科技有限公司 | Microwave landing internal field simulation system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101122780A (en) * | 2007-09-04 | 2008-02-13 | 北京控制工程研究所 | Half-physical emulation test system for controlling and guiding, navigating and controlling soft landing for moon |
| CN201488738U (en) * | 2009-08-05 | 2010-05-26 | 成都飞亚航空设备应用研究所有限公司 | Signal formation system of integrated navigation verification instrument |
-
2010
- 2010-08-25 CN CN2010102620119A patent/CN101931422B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101122780A (en) * | 2007-09-04 | 2008-02-13 | 北京控制工程研究所 | Half-physical emulation test system for controlling and guiding, navigating and controlling soft landing for moon |
| CN201488738U (en) * | 2009-08-05 | 2010-05-26 | 成都飞亚航空设备应用研究所有限公司 | Signal formation system of integrated navigation verification instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101931422A (en) | 2010-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111212182A (en) | Method and device for directly remotely controlling UWB equipment by using mobile phone embedded with UWB module | |
| CN103702151B (en) | Smart television and touch screen human-computer interaction remote control and method | |
| CN211128205U (en) | NB-IoT network quality analyzer with double-card single-standby function | |
| CN105242263A (en) | Vehicle existence detection apparatus and method | |
| CN110596657B (en) | Device for testing operation of distance measuring machine/Takang | |
| CN105185183A (en) | Microwave landing internal field simulation system | |
| CN101931422B (en) | Portable out-field comprehensive test receiver for microwave landing system | |
| US9234929B2 (en) | Monitoring method and system and integrated monitoring device for antenna oscillator of base station | |
| CN106353740A (en) | Radio responding calibration equipment based on time sequence pulse encoding | |
| CN209356593U (en) | A kind of combination landing receiving device tester | |
| CN214154524U (en) | Airborne short-wave radio station comprehensive tester and system | |
| CN212797385U (en) | Infield simulator | |
| CN110082735B (en) | General irradiation instruction test system and test device | |
| CN210724815U (en) | Automatic detection test bed for helicopter radio system | |
| CN210724787U (en) | Radio frequency front end unit of portable communication and navigation tester | |
| CN204948084U (en) | A kind of micropower wireless communication module automatic batch detection system | |
| CN203405535U (en) | Positioning device and system of partial discharge signal source in gas insulated substation (GIS) | |
| CN205809186U (en) | A kind of transmitting antenna simulator | |
| CN203722646U (en) | Testing system of very high frequency (VHF) transceiver | |
| CN207752615U (en) | A kind of wireless sensor network Landslide Forecast System based on GPS positioning | |
| CN105609953A (en) | Separated vehicle-mounted stationary satelliteantenna controller | |
| CN109765573A (en) | A kind of detection device and method of satellite time synchronization equipment antenna-feeder system | |
| CN115083225B (en) | Radio altimeter simulation teaching test system and method | |
| CN203720346U (en) | Test system of distance test equipment | |
| CN210724816U (en) | Signal processing unit of portable communication and navigation tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |