CN202218234U - Miniaturized TACAN (Tactical Air Navigation) signal simulator based on PXI (Peripheral Component Interconnect eXtensions for Instrumentation) bus - Google Patents
Miniaturized TACAN (Tactical Air Navigation) signal simulator based on PXI (Peripheral Component Interconnect eXtensions for Instrumentation) bus Download PDFInfo
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- CN202218234U CN202218234U CN2011203015602U CN201120301560U CN202218234U CN 202218234 U CN202218234 U CN 202218234U CN 2011203015602 U CN2011203015602 U CN 2011203015602U CN 201120301560 U CN201120301560 U CN 201120301560U CN 202218234 U CN202218234 U CN 202218234U
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Abstract
The utility model relates to avionic navigation signal simulators, in particular to a miniaturized TACAN (Tactical Air Navigation) signal simulator based on a PXI (Peripheral Component Interconnect eXtensions for Instrumentation) bus. A TACAN airborne transceiver is connected with a radio frequency signal regulation module through a radio frequency interface, the radio signal regulating module is connected with a TACAN radio frequency modulation module, the TACAN radio frequency modulation module is connected with a TACAN base band signal processing module, and the TACAN base band signal processing module is connected with the PXI bus through a PXI interface. Compared with the traditional TACAN signal simulator, the miniaturized TACAN signal simulator based on the PXI bus, disclosed by the utility model, has the advantages of good module mechanical performance, small volume, high speed, high efficiency and full-digital base band signal processing.
Description
Technical field
The utility model relates to the aviation electronics navigation signal simulator, particularly a kind of miniaturization Tacan signal simulator based on the PXI bus.
Background technology
Tactical air navigation is the angle and distance measuring formula radio navigation system that supplies the aircraft shoran to use.It is made up of airborne Tacan set that complements one another and ground tacan set.When airborne Tacan set is carried out maintainability test, need utilize the Tacan signal simulator, produce through simulation and carry the ground Tacan platform signal of azimuth-range information, realize excitation to airborne Tacan set, accomplish the detection of function and performance index." Tacan " is the abbreviation of air navigation system (TACAN), succeeded in developing in nineteen fifty-five by the U.S., and the back is widely used by France, Germany, Britain, Canada, Japan, Korea S etc.Be mainly used in and be the navigation of aircraft in providing from tens kms to hundreds of km distance range, ensure that aircraft flies to target by prebriefed pattern, the aerial assembly of a group of planes, and vector aircraft is gone home and is marched into the arena etc. under IFR conditions.
For the Tacan simulator; The tradition implementation adopts the version of large-scale desk-top instrument mostly, comprises that mainly computer control system, radiofrequency signal source module, amplitude modulation(PAM) module, pulse modulation module, program control decay, circulator, fixed attenuator, logarithmic detector, pulse train produce circuit, modulation envelope generation circuit etc. and partly forms.Concrete operation principle is: under the control of computer control system, the radiofrequency signal source module is according to the radiofrequency signal of system's control generation needs radio frequency channel; Simultaneity factor receives the pulse interrogation signal of airborne Tacan set emission behind circulator through radio frequency interface; After signal attenuation and detection; Obtain the envelope information of interrogation pulse; This pulse envelope is sent to pulse train and produces in the circuit, forms the pulse train of carrying transponder pulse information through this circuit; Under computer control, 15Hz and 135Hz modulation envelope produce the circuit generation and carry the am signals of azimuth information simultaneously; After the radiofrequency signal that these baseband signals produce with the radiofrequency signal source module through radio frequency amplitude modulator, radio-frequency pulse modulator is respectively carried out analog-modulated, the radio frequency modulated signal that obtains carrying orientation, range information; This signal through seeing off behind the microwave components such as program control decay, circulator, can be realized the simulation to the Tacan signal again.
Through top principle analysis, in conjunction with the operating position of traditional analog device in reality, traditional Tacan simulator has following deficiency:
1) adopts analog modulation scheme.Use a lot of microwave components, be unfavorable for miniaturization; Form more complicated, the generation of baseband signal and nurse one's health also more complicated.
2) pulse train is generally the rectangular pulse string, is not bell-shaped pulse, and its range simulation precision is bad.
3) interface bus is lack of standardization, is unfavorable for that the system integration is used and automatic Test Application.
Bulky, complex structure.
PXI (PCI eXtensions for Instrumentation is towards the PCI expansion of instrument system) is a kind of firm measurement and automation platform based on PC by the issue of NI company.PXI is to serve as that the framework that the distinctive signal combination of some PXI forms is added on the basis with PCI (Peripheral Component Interconnect) and CompactPCI.PXI has inherited the electric signal of PCI, makes PXI have the ability like the high transmission data of PCI bus, and therefore the transmission performance to 528Mbyte/s up to 132Mbyte/s can be arranged, and is compatible fully on software.On the other hand, PXI adopts the mechanical appearance structure the same with CompactPCI, therefore also can enjoy the characteristic of high density, solid shell and high performance connectors equally.
Summary of the invention
The purpose of the utility model is to above technical problem a kind of miniaturization Tacan signal simulator based on the PXI bus to be provided.
A kind of miniaturization Tacan signal simulator based on the PXI bus; Form by the airborne transceiver of Tacan, radio frequency interface, radiofrequency signal conditioning module, Tacan rf modulations module, Tacan baseband signal processing module, PXI interface; The airborne transceiver of Tacan connects the radiofrequency signal conditioning module through radio frequency interface; The radiofrequency signal conditioning module connects Tacan rf modulations module; Tacan rf modulations module connects the Tacan baseband signal processing module, and the Tacan baseband signal processing module connects the PXI bus through the PXI interface.
System links to each other with airborne Tacan set through the Tacan radio frequency interface; This interface receives the interrogation pulse that the Tacan airborne equipment produces, and delivers to detection in the wave detector through decay, transmitting-receiving after separating, and the pulse signal that detection is come out is divided into two-way; One the tunnel delivers to the peak power that the impulsive measurement circuit obtains interrogation pulse; And the parameter of paired pulses envelope measures, and another road is sent to the Tacan baseband signal and produces circuit as the triggering signal of systems response pulse; The Tacan baseband signal produces circuit according to information generating baseband signal such as the orientation that is provided with, distance and send into Tacan rf modulations module; Tacan rf modulations module with base-band information with the mixing of RF local oscillator signal phase; Base-band information is moved on the radio frequency; Obtain carrying the radiofrequency signal of orientation, range information; This radiofrequency signal is finally delivered to the Tacan airborne equipment through prevention at radio-frequency port after carrying out amplitude control through a series of modulate circuits in rear end
This programme mainly comprises Tacan base band signal process, Tacan rf modulations and 3 parts of Tacan radiofrequency signal conditioning; Can simulation produce the Tacan signal comprise azimuth-range information, and parameters such as the power of airborne Tacan set output signal, envelope are tested.Operation principle is:
System links to each other with airborne Tacan set through the Tacan radio frequency interface; This interface receives the interrogation pulse that the Tacan airborne equipment produces, and delivers to detection in the wave detector through decay, transmitting-receiving after separating, and the pulse signal that detection is come out is divided into two-way; One the tunnel delivers to the peak power that the impulsive measurement circuit obtains interrogation pulse; And the parameter of paired pulses envelope measures, and another road is sent to the Tacan baseband signal and produces circuit as the triggering signal of systems response pulse; The Tacan baseband signal produces circuit according to information generating baseband signal such as the orientation that is provided with, distance and send into Tacan rf modulations module; Tacan rf modulations module with base-band information with the mixing of RF local oscillator signal phase; Base-band information is moved on the radio frequency; Obtain carrying the radiofrequency signal of orientation, range information; This radiofrequency signal is finally delivered to the Tacan airborne equipment through prevention at radio-frequency port after carrying out amplitude control through a series of modulate circuits in rear end.
Tacan signal simulator with traditional is compared, and the major advantage that the utlity model has is following:
1) module good mechanical property.Standard P XI bus module has adopted Eurocard robust encapsulation form and high performance IEC connector, and module has the favorable mechanical performance;
2) volume is little.Adopt the version of 6U, 2 groove PXI modules to realize the function of instrument on traditional large-scale platform, advantageous on volume size.
3) high performance EBI at a high speed.The PXI EBI all is superior to gpib interface VXI interface at aspects such as communication speed, test speeds.
4) modulation system efficiently.Adopted Vector Modulation, the mode of the modulated baseband signal of carrying various information through I/Q modulation realized that baseband signal moves to frequency spectrum, the information of radio frequency, whole process is only used an I/Q modulator, has simplified system greatly.
5) digital base band signal process.Utilize monolithic FPGA to accomplish the digitized processing task of whole Tacan baseband signals, reduced the quantity of analogue device effectively, dwindled volume size, improved the reliability of design; Realize bell-shaped pulse and met the cos-cos of precise distance measurement requirement
2The form pulse has improved the precision of range simulation.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein, 1---the airborne transceiver of Tacan, 2---radio frequency interface, 3---radiofrequency signal conditioning module, 4---Tacan rf modulations module, 5---Tacan baseband signal processing module, 6---PXI interface, 7---PXI bus.
Embodiment
Miniaturization Tacan signal simulator based on the PXI bus; Form by the airborne transceiver of Tacan, radio frequency interface, radiofrequency signal conditioning module, Tacan rf modulations module, Tacan baseband signal processing module, PXI interface; The airborne transceiver of Tacan connects the radiofrequency signal conditioning module through radio frequency interface; The radiofrequency signal conditioning module connects Tacan rf modulations module; Tacan rf modulations module connects the Tacan baseband signal processing module, and the Tacan baseband signal processing module connects the PXI bus through the PXI interface.
System links to each other with airborne Tacan set through the Tacan radio frequency interface; This interface receives the interrogation pulse that the Tacan airborne equipment produces, and delivers to detection in the wave detector through decay, transmitting-receiving after separating, and the pulse signal that detection is come out is divided into two-way; One the tunnel delivers to the peak power that the impulsive measurement circuit obtains interrogation pulse; And the parameter of paired pulses envelope measures, and another road is sent to the Tacan baseband signal and produces circuit as the triggering signal of systems response pulse; The Tacan baseband signal produces circuit according to information generating baseband signal such as the orientation that is provided with, distance and send into Tacan rf modulations module; Tacan rf modulations module with base-band information with the mixing of RF local oscillator signal phase; Base-band information is moved on the radio frequency; Obtain carrying the radiofrequency signal of orientation, range information; This radiofrequency signal is finally delivered to the Tacan airborne equipment through prevention at radio-frequency port after carrying out amplitude control through a series of modulate circuits in rear end
This programme mainly comprises Tacan base band signal process, Tacan rf modulations and 3 parts of Tacan radiofrequency signal conditioning; Can simulation produce the Tacan signal comprise azimuth-range information, and parameters such as the power of airborne Tacan set output signal, envelope are tested.Operation principle is:
System links to each other with airborne Tacan set through the Tacan radio frequency interface; This interface receives the interrogation pulse that the Tacan airborne equipment produces, and delivers to detection in the wave detector through decay, transmitting-receiving after separating, and the pulse signal that detection is come out is divided into two-way; One the tunnel delivers to the peak power that the impulsive measurement circuit obtains interrogation pulse; And the parameter of paired pulses envelope measures, and another road is sent to the Tacan baseband signal and produces circuit as the triggering signal of systems response pulse; The Tacan baseband signal produces circuit according to information generating baseband signal such as the orientation that is provided with, distance and send into Tacan rf modulations module; Tacan rf modulations module with base-band information with the mixing of RF local oscillator signal phase; Base-band information is moved on the radio frequency; Obtain carrying the radiofrequency signal of orientation, range information; This radiofrequency signal is finally delivered to the Tacan airborne equipment through prevention at radio-frequency port after carrying out amplitude control through a series of modulate circuits in rear end.
Claims (1)
1. miniaturization Tacan signal simulator based on the PXI bus; Form by the airborne transceiver of Tacan, radio frequency interface, radiofrequency signal conditioning module, Tacan rf modulations module, Tacan baseband signal processing module, PXI interface; It is characterized in that: the airborne transceiver of Tacan connects the radiofrequency signal conditioning module through radio frequency interface; The radiofrequency signal conditioning module connects Tacan rf modulations module; Tacan rf modulations module connects the Tacan baseband signal processing module, and the Tacan baseband signal processing module connects the PXI bus through the PXI interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203015602U CN202218234U (en) | 2011-08-18 | 2011-08-18 | Miniaturized TACAN (Tactical Air Navigation) signal simulator based on PXI (Peripheral Component Interconnect eXtensions for Instrumentation) bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203015602U CN202218234U (en) | 2011-08-18 | 2011-08-18 | Miniaturized TACAN (Tactical Air Navigation) signal simulator based on PXI (Peripheral Component Interconnect eXtensions for Instrumentation) bus |
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| CN202218234U true CN202218234U (en) | 2012-05-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829797A (en) * | 2012-08-22 | 2012-12-19 | 广州航新航空科技股份有限公司 | PXI synthetic instrument-based TACAN simulator |
| CN102830389A (en) * | 2012-08-20 | 2012-12-19 | 广州航新航空科技股份有限公司 | PXI synthetic instrument based microwave landing simulator |
| CN105390039A (en) * | 2015-10-12 | 2016-03-09 | 四川天中星航空科技有限公司 | CNI field simulation system |
| CN107807351A (en) * | 2017-11-28 | 2018-03-16 | 天津七六四通信导航技术有限公司 | A kind of Tacan test and supervising device |
| CN110596657A (en) * | 2019-09-03 | 2019-12-20 | 电子科技大学 | Device for testing operation of distance measuring machine/Takang |
-
2011
- 2011-08-18 CN CN2011203015602U patent/CN202218234U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830389A (en) * | 2012-08-20 | 2012-12-19 | 广州航新航空科技股份有限公司 | PXI synthetic instrument based microwave landing simulator |
| CN102829797A (en) * | 2012-08-22 | 2012-12-19 | 广州航新航空科技股份有限公司 | PXI synthetic instrument-based TACAN simulator |
| CN102829797B (en) * | 2012-08-22 | 2015-04-15 | 广州航新航空科技股份有限公司 | PXI synthetic instrument-based TACAN simulator |
| CN105390039A (en) * | 2015-10-12 | 2016-03-09 | 四川天中星航空科技有限公司 | CNI field simulation system |
| CN107807351A (en) * | 2017-11-28 | 2018-03-16 | 天津七六四通信导航技术有限公司 | A kind of Tacan test and supervising device |
| CN107807351B (en) * | 2017-11-28 | 2024-05-07 | 天津七六四通信导航技术有限公司 | Takang test and monitoring device |
| CN110596657A (en) * | 2019-09-03 | 2019-12-20 | 电子科技大学 | Device for testing operation of distance measuring machine/Takang |
| CN110596657B (en) * | 2019-09-03 | 2022-10-18 | 电子科技大学 | Device for testing operation of distance measuring machine/Takang |
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Granted publication date: 20120509 |
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