CN105720369A - Novel telemetry antenna tracking method - Google Patents

Novel telemetry antenna tracking method Download PDF

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Publication number
CN105720369A
CN105720369A CN 201410725393 CN201410725393A CN105720369A CN 105720369 A CN105720369 A CN 105720369A CN 201410725393 CN201410725393 CN 201410725393 CN 201410725393 A CN201410725393 A CN 201410725393A CN 105720369 A CN105720369 A CN 105720369A
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telemetry
aircraft
antenna
tracking
location information
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CN 201410725393
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Chinese (zh)
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陈逍
谷伟岩
王鑫
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中航通飞研究院有限公司
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Abstract

The invention provides a novel telemetry antenna tracking method, belongs to the technical field of aircraft telemetry, relates to the telemetry antenna tracking technology, and solves the problem of telemetry data interruption due to that the loss of lock occurs frequently to a telemetry antenna and so a telemetry target is difficult to re-capture or the capture of the telemetry target takes a long time. The method specifically comprises the steps of acquiring aircraft location information by using a separate GPS (additionally installed or drawn) on an aircraft, transmitting the aircraft location information to a ground GPS base station through an additionally installed UFH band data transfer radio station, and feeding back the processed aircraft location information to a telemetry tracking antenna drive unit by using a DGPS (differential GPS) method. The method can be used for substantially improving the consistency and accuracy of the aircraft location information for driving a telemetry tracking antenna and also for increasing the tracking operation distance of the telemetry antenna.

Description

一种新的遥测天线跟踪方法 A new telemetry antenna tracking method

[0001] 技术领域:本发明属于飞行试验遥测领域,涉及遥测天线跟踪及控制技术。 [0001] Technical Field: The present invention belongs to the field of telemetry flight test, and relates to a telemetry antenna tracking control technique.

[0002] 背景技术:遥测技术是对被测对象的参数进行远距离无线测量的一种技术。 [0002] BACKGROUND: telemetry parameters is a technique for long-distance wireless measured object measured. 广泛用于军事及航空航天领域。 Widely used in military and aerospace fields. 构成遥测系统主要包括飞行遥测数据发射设备和地面遥测数据接收设备,前者主要由传感器、调制器、采集器、发射机和天线构成,而地面遥测设备主要由天线、接收机和解调器组成。 The telemetry system configuration including flight telemetry data transmitting device and a surface telemetry data receiving apparatus, the former is mainly composed of the sensor, modulator, collector, transmitter and antenna, and the surface telemetry equipment consists of an antenna, a receiver and demodulator components. 其中,接收天线负责跟踪接收无线遥测信号,遥测接收天线对信号跟踪的质量直接决定遥测系统数据通讯的质量。 Among them, the receiving antenna receives the wireless telemetry signals responsible for tracking, telemetry receiving antennas to track the quality of the signal directly determine the quality of telemetry data communications system.

[0003]目前,遥测数据无线通讯使用的是S波段,遥测数据接收天线接收S波段遥测数据信号,S波段无线电波方向性要求接收天线必须连续跟踪并指向遥测数据发射源,才能接收到遥测数据信息。 [0003] Currently, wireless communication telemetry data using the S-band, telemetry data receiving antennas S-band telemetry data signal, the S-band radio wave receiving antenna directivity requirements must be continuously tracked and point sources emitting telemetry data to the telemetry data received information. 遥测天线跟踪方式主要有:手动跟踪方式,由操作人员根据对目标的主观判断进行手动控制跟踪,这种方法的缺点在于对操纵人员及外场能见度要求较高,且目标丢失后难于二次跟踪;程序跟踪方式,将跟踪目标的理论航迹事先输入跟踪计算机,引导天线按照预定轨迹捕捉目标,这种方法的缺点在于跟踪方式较为单一,对于随机性的机动行为无法跟踪;记忆跟踪法,当目标进入可跟踪区域时,根据目标运行轨迹预测期后一段时间的位置,这种方法同样依赖于操纵人员的主观预判;自动跟踪方式,遥测接收机通过对接收遥测信号的不同方向强弱进行判断,自动控制接收天线始终指向信号较强方向即目标发射源;GPS引导方式,遥测发射机通过遥测系统,用S波段无线电波将遥测目标的GPS信息传输给遥测天线,天线控制单元根据解算出的GPS位置信息,驱动 Telemetry antenna tracking mode are: manual tracking mode, the tracking control is based on the subjective judgment object manually by an operator, a disadvantage of this method is that manipulation of the high field personnel and visibility requirements, and the secondary target loss is difficult to follow; program tracking mode, the tracking target track previously entered tracking computer theory, according to a predetermined target capture antenna guide track, a disadvantage of this method is that more single track mode, the motor acts for randomness can not track; memory tracking method, when the target when entering the tracking area may be, according to the prediction of the target position trajectory after a period of time, this method also relies on the subjective predict service person; automatic tracking mode, the telemetry receiver in different directions by the received telemetry signal strength judgment , the automatic control reception antennas always point target signal direction, i.e. strong emission source; GPS GPS guidance information transmission mode, the telemetry transmitter system via telemetry, using telemetry S-band radio waves to a target telemetry antenna, the antenna control unit according to the solution is calculated GPS location information, driving 测天线进行遥测跟踪,该方法的缺点在于控制天线指向的GPS位置信息,包含于S波段遥测数据链路中。 Measuring telemetry antenna tracking disadvantage of this method is to control antenna pointing GPS location information is included in the S-band telemetry link. 各种跟踪方式中,一旦遥测信号中断,接收天线不能正确地跟踪目标,而目标在运动过程中,接收天线难于重新捕获跟踪。 A variety of tracking mode, once the telemetry signal is interrupted, the receiving antenna can not properly track the target, and the target in the course of the campaign, the receiving antenna tracking difficult to recapture.

[0004] 发明内容:本发明对遥测天线跟踪技术进行改进,将引导遥测接收天线的GPS位置信息与遥测数据链路分开,引导遥测接收天线的GPS位置信息用UHF波段传输,遥测数据用S波段传输。 [0004] Summary of the invention: a separate GPS location information and telemetry data link telemetry antenna of the present invention to improve tracking, telemetry receiver antenna guide, the guide telemetry receiver antenna GPS location information transmitting UHF band, S-band telemetry data transmission. 本发明解决现有遥测天线跟踪技术中进行GPS引导方式时,利用包含于S波段遥测数据链路中GPS位置信息,此位置信息可靠性完全依赖遥测系统正确传输的数据问题;同时解决遥测信号中断后,接收天线难于正确地重新捕获跟踪运动目标问题。 The present invention solves the conventional manner when the guide telemetry antenna GPS tracking techniques, S-band telemetry data link using the location information included in the GPS, the location information is totally dependent on the reliability of data transmission problems correct telemetry system; while addressing the telemetry signal is interrupted after receiving antennas is difficult to properly re-capture moving target tracking problem.

[0005] 本发明解决其技术问题所采用的技术方案是: [0005] aspect of the present invention to solve the technical problem are:

[0006] 步骤一:在飞机上加装一套独立的差分GPS系统以获取飞机实时GPS位置信息; [0006] Step one: on the plane to install a separate set of differential GPS systems for aircraft real-time GPS location information;

[0007] 步骤二:通过工作在UHF波段的数传电台,将获取的飞机实时GPS位置信息传输给地面差分GPS基站,利用基站计算出飞机实时差分GPS位置信息; [0007] Step Two: real-time GPS location information transmitted by the aircraft work in digital radio UHF band, to obtain the differential GPS ground station, the base station is calculated using the differential GPS location information of the aircraft in real time;

[0008] 步骤三:基站将实时差分GPS位置信息传输到遥测接收天线控制单元,引导和控制遥测接收天线指向运动过程中的飞机,以实现对遥测目标实时跟踪。 [0008] Step Three: real-time differential GPS base station location information is transmitted to the telemetry receiver antenna control unit, guide and control telemetry receiver antenna pointing the aircraft in movement, in order to achieve real-time telemetry tracking target.

[0009] 本发明的有益效果:新的遥测天线跟踪方法,通过将引导遥测接收天线跟踪控制的GPS位置信息与遥测数据链路分开,采用不同的频段及不同带宽进行传输,提升了遥测接收天线跟踪控制信息传输稳定性,同时增大了遥测天线跟踪作用距离。 [0009] Advantageous effects of the invention: a new telemetry antenna tracking method, by directing the telemetry receiver antenna tracking control GPS location information and telemetry data link separately, using different frequency bands and different bandwidths for transmission to enhance the telemetry receiver antenna tracking control information transmission reliability while increasing the operating range of the telemetry antenna tracking.

附图说明 BRIEF DESCRIPTION

: :

[0010] 下面结合附图和实施例对本发明进一步说明,图1为差分GPS引导跟踪天线的遥测系统示意图。 Figures and examples further illustrate the present invention [0010] below with reference to FIG 1 a schematic view of a telemetry tracking antenna system boot differential GPS.

[0011]图1中1.遥测数据发射机S波段发射天线,2.差分GPS数传电台UHF波段发射天线,3.地面S波段遥测数据接收天线,4.遥测数据接收天线控制单元,5.差分GPS地面基站。 [0011] FIG. 1 1 S-band telemetry transmitter transmit antenna, 2. Differential GPS data radio UHF band transmit antenna, 3. S-band telemetry ground receiving antenna 4 telemetry data receiving antenna control unit 5. differential GPS ground station.

具体实施方式 detailed description

: :

[0012] 本发明将飞机位置信息经差分GPS数传电台UHF波段发射天线(2),以窄带宽UHF波段电磁波无线传输至差分GPS地面基站(5),差分GPS地面基站(5)对接收到的飞机实时GPS位置信息与地面基站GPS信息进行差分处理,得出飞机实时差分GPS位置信息,差分GPS地面基站(5)将此实时差分GPS位置信息传输至遥测数据接收天线控制单元(4)。 [0012] The present invention will be differentially aircraft position information of the number of GPS radio modem UHF band transmit antenna (2), to a narrow bandwidth to transmit radio waves in the UHF band differential GPS ground station (5), the differential GPS ground station (5) received real-time GPS location information of the aircraft and the ground station differential GPS information processing, real-time differential GPS derived aircraft position information, differential GPS ground station (5) of this differential GPS real-time location information transmitted to the data receiving telemetry antenna control unit (4). 遥测数据接收天线控制单元(4)根据所接收的飞机实时差分位置信息,引导并控制地面S波段遥测数据接收天线(3)指向加装有遥测数据采集和发射设备的目标飞机,地面S波段遥测数据接收天线(3)即可接收来自遥测数据发射机S波段发射天线(I)的宽带宽遥测数据。 Receiving telemetry antenna control unit (4) real-time location information based on the received differential aircraft, ground to guide and control the S-band telemetry receiver antenna (3) points to the installation of the target aircraft data acquisition and telemetry transmitting device, ground S-band telemetry data receiving antenna (3) to a wide bandwidth receiving telemetry data from telemetry data transmitter S-band transmit antenna (I) is.

Claims (2)

  1. 1.一种新的遥测天线跟踪方法,在飞机上加装差分GPS移动站或对飞机上原有的GPS数据进行抽引以得到飞机的位置信息,通过频段在UHF的数传电台将飞机位置信息无线传递给地面差分GPS基准站,地面差分GPS基准站,对飞机位置信息进行修正,提高定位精度,将差分后的飞机GPS位置信息有线传递给遥测天线控制单元,引导遥测数据接收天线指向飞机,接收飞机中遥测设备发射的S频段遥测数据。 A new tracking method telemetry antenna, installed in the aircraft or mobile differential GPS GPS data on the original aircraft evacuating the aircraft position information obtained by the digital radio in the UHF band of the aircraft position information wireless transmitted to the ground differential GPS reference station, the ground differential GPS base station, the aircraft position information is corrected to improve positioning accuracy, the rear differential aircraft GPS location information of the wired transmission to the telemetry antenna control unit, guide the telemetry data received antenna pointing aircraft, S-band telemetry data received telemetry device transmitting aircraft.
  2. 2.新的遥测天线跟踪方法,其特征是:引导遥测数据接收天线指向飞机的GPS位置信息,是通过数传电台用UHF频段独立窄带传输,控制遥测数据接收天线指向追踪于飞机的轨迹,接收飞机中遥测发射设备发射的S频段宽带遥测数据。 2. The new tracking method telemetry antenna, wherein: the antenna pointing guide telemetry data received GPS location information of the aircraft, the UHF band is independent narrowband transmission, control telemetry data received by the digital radio antenna directivity tracking the trajectory of the aircraft, receiving aircraft telemetry transmitter device S-band broadband transmitted telemetry data.
CN 201410725393 2014-12-03 2014-12-03 Novel telemetry antenna tracking method CN105720369A (en)

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