CN105281046A - Whole airspace multi-target measurement and control communication system - Google Patents
Whole airspace multi-target measurement and control communication system Download PDFInfo
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- CN105281046A CN105281046A CN201510785523.6A CN201510785523A CN105281046A CN 105281046 A CN105281046 A CN 105281046A CN 201510785523 A CN201510785523 A CN 201510785523A CN 105281046 A CN105281046 A CN 105281046A
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Abstract
The invention provides a whole airspace multi-target measurement and control communication system, and is aimed at providing a system which can effectively save the resource cost, such as manpower and material resources, and can perform measurement and control communication for N>=2 aircrafts in the whole airspace at the same time. The whole airspace multi-target measurement and control communication system can be realized though the technical scheme: at least two antenna array elements are arranged on a spherical surface array antenna; each T/R assembly converts a radiofrequency signal received by the spherical surface array antenna into an intermediate frequency signal and outputs the intermediate frequency signal to a reception wave beam forming processor; an emission wave beam forming processor receives a remote signal which is output from an integrated baseband pool so that emission wave beams are formed and point to each measurement and control target; each T/R assembly is emitted through the spherical surface array antenna after upconversion and amplification; the reception wave beam forming processor processes an input signal so that wave beams are formed and point to each measurement and control target; and the integrated baseband pool sends the remote control information of the aircrafts to digital wave beam forming DBF equipment so that emission wave beams are formed, and performs demodulation processing for an reception wave beam signals so as to obtain the remote measurement information, distance and speed data of the targets.
Description
Technical field
The present invention relates to a kind of full spatial domain Multi target TT&C communication system based on spherical array antenna and digital beam froming (DigitalBeamForming).
Background technology
Along with the development of China's Aero-Space cause, in space, near space, aerial aircraft growing number be many, and full spatial domain Multi target TT&C becomes an outstanding problem of Aerospace Tracking & Control.Domestic in Space TT&C field at present, the system that can realize simultaneously carrying out full spatial domain (0 ° ~ 360 °, orientation, pitching 5 ° ~ 90 °) interior multiple target telemetry communication is almost still blank.In order to realize multiple target observing and controlling simultaneously, the while of full spatial domain multiple target, observation and control technology only had by setting up multiple traditional telemetry communication station in the past, set up the TT&C antenna equipment identical with needing the number of targets of telemetry communication simultaneously, often overlap TT&C antenna equipment and only can carry out observing and controlling to a target or constellation, many cover TT&C antennas work simultaneously and could realize multiple target telemetry communication simultaneously.
Summary of the invention
The object of the invention is the weak point for the observation and control technology existence simultaneously of the full spatial domain multiple target in Aerospace Tracking & Control, one is provided to utilize spherical array antenna and digital beam forming technology, do not rely on mechnical servo equipment, effectively can save the resources costs such as human and material resources, and telemetry communication can be carried out to the multiple aircraft in full spatial domain, based on the full spatial domain Multi target TT&C communication system of spherical array antenna and DBF simultaneously.
The present invention solves the scheme that prior art problem adopts: a kind of full spatial domain Multi target TT&C communication system, comprise the spherical array antenna be made up of hemisphere and cylinder two parts, T/R assembly, digital beam froming DBF equipment containing launching beam formation processing machine and received beam formation processing machine and synthetical baseband pond, it is characterized in that: spherical array antenna and digital beam froming DBF equipment, form N >=2 wave beam within the scope of full spatial domain simultaneously, each beam position one needs the aircraft of telemetry communication, the sensing of each wave beam synchronously changes along with the movement of tracked target, wherein, hemisphere and cylinder are arranged with at least 2 bays separately, and the down going channel output of the T/R assembly of each bay is connected with the input of received beam formation processing machine, the input of the data feedback channel of all T/R assemblies is connected with the output of launching beam formation processing machine, the radiofrequency signal that spherical array antenna receives is converted to intermediate-freuqncy signal and outputs to received beam formation processing machine by T/R assembly, the launching beam signal that launching beam formation processing machine exports is converted to radiofrequency signal deliver to spherical array antenna transmission and go out, launching beam formation processing machine receives the remote signal that synthetical baseband pond exports, and forming the launching beam pointing to each observing and controlling target, then delivering to each road T/R assembly transmitting, and is gone out by spherical array antenna transmission through up-conversion with after amplifying, received beam formation processing machine carries out process to input signal and forms the wave beam pointing to each observing and controlling target, output to synthetical baseband pond, the remote information of aircraft is sent to digital beam froming DBF equipment and forms launching beam by synthetical baseband pond, demodulation process is carried out to reception beam signal, obtains the telemetry intelligence (TELINT) of target, Distance geometry speed data.
The present invention has following beneficial effect compared to prior art:
The present invention adopts spherical array antenna and digital beam froming DBF technology, at (0 ° ~ 360 °, azimuth, full spatial domain, the angle of pitch 5 ° ~ 90 °), form N (N >=2) individual wave beam simultaneously, each beam position one needs the aircraft of telemetry communication, the sensing of each wave beam synchronously changes along with the movement of tracked target, ensures that telemetry communication does not interrupt.
The present invention utilizes spherical array antenna and digital beam shape DBF formation technology, do not rely on mechnical servo equipment, sweep limits can covering orientation 0 ° ~ 360 °, pitching 0 ° ~ 90 °, by forming multiple wave beam, observing and controlling can be carried out to the multiple aircraft in full spatial domain simultaneously, observing and controlling can be carried out to the multiple aircraft in full spatial domain simultaneously.The multiple aircraft achieved the while of utilizing a set of measuring and controlling equipment in full spatial domain carry out the function of observing and controlling, have effectively saved the resources costs such as human and material resources.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the present invention full spatial domain Multi target TT&C communication system.
Fig. 2 represents the outside drawing of the spherical array antenna in the present invention.
Fig. 3 is Fig. 1 carries out an observing and controlling simultaneously embodiment principle schematic to 16 satellites.
Embodiment
In order to further illustrate instead of limit above-mentioned implementation of the present invention, below in conjunction with drawings and Examples, the present invention is further described, but therefore do not limit the present invention among described practical range.All these designs should be considered as content disclosed in this technology and protection scope of the present invention.
In the most preferred embodiment that Fig. 1 describes, full spatial domain Multi target TT&C communication system, comprises spherical array antenna, T/R assembly, digital beam froming equipment, synthetical baseband pond.From without, hemisphere as shown in Figure 2 and cylinder two parts are formed spherical array antenna, and hemisphere and cylinder are arranged with the bay being no less than 2 separately.Hemisphere can be the smooth hemisphere on complete geometric meaning, also can be the polyhedron adopting polygon to be spliced.
In the Multi target TT&C communication system of full spatial domain, digital beam froming equipment is divided into launching beam formation processing machine and received beam formation processing machine, and the quantity of T/R assembly is identical with bay quantity.Full spatial domain Multi target TT&C communication system forms N >=2 object beam within the scope of full spatial domain simultaneously, and each beam position one needs the aircraft of telemetry communication, and the sensing of each wave beam synchronously changes along with the movement of tracked target, and N is natural number.Each beam position one needs the aircraft of telemetry communication, the sensing of each wave beam synchronously changes along with the movement of tracked target, wherein, hemisphere and cylinder are arranged with at least 2 bays separately, and the down going channel output of the T/R assembly of each bay is connected with the input of received beam formation processing machine, the input of the data feedback channel of all T/R assemblies is connected with the output of launching beam formation processing machine, the radiofrequency signal that spherical array antenna receives is converted to intermediate-freuqncy signal and outputs to received beam formation processing machine by T/R assembly, the launching beam signal that launching beam formation processing machine exports is converted to radiofrequency signal deliver to spherical array antenna transmission and go out, launching beam formation processing machine receives the remote signal that synthetical baseband pond exports, and forming the launching beam pointing to each observing and controlling target, then delivering to each road T/R assembly transmitting, and is gone out by spherical array antenna transmission through up-conversion with after amplifying, received beam formation processing machine carries out process to input signal and forms the wave beam pointing to each observing and controlling target, output to synthetical baseband pond, the remote information of aircraft is sent to digital beam froming DBF equipment and forms launching beam by synthetical baseband pond, demodulation process is carried out to reception beam signal, obtains the telemetry intelligence (TELINT) of target, Distance geometry speed data.
The quantity of T/R assembly is identical with bay quantity, and each T/R assembly is divided into up, down going channel, data feedback channel completes amplification to transmitting and up-conversion, intermediate-freuqncy signal is converted to radiofrequency signal, down going channel completes low noise amplification to received signal and down-conversion, and the radiofrequency signal received is converted into intermediate-freuqncy signal.In order to reduce Insertion Loss, spherical array antenna and T/ (containing duplexer) R assembly structurally carry out integrated design, connect a T/R assembly, be connected between array element with T/R assembly by structural member after each array element.
Synthetical baseband pond includes the digital baseband terminal identical with observing and controlling target numbers, pass through scheduling of resource, each observing and controlling object matching digital baseband terminal, digital baseband terminal completes the coding of transmitting data, the range finding of modulation and Received signal strength, the resolving of the data such as to test the speed.
Consult Fig. 2.Spherical array antenna hemisphere, with the hemisphere face polyhedron being smooth hemisphere on complete geometric meaning or adopt polygon to be spliced, completes reception and the transmitting of radiofrequency signal.
Consult Fig. 3.For further illustrating the present invention, below to contain spherical array antenna and the corollary equipment of 1000 array elements, carry out observing and controlling to 16 satellites is one of them embodiment simultaneously, and the transmitting flow process of full spatial domain Multi target TT&C and the specific implementation step receiving flow process are described:
Full spatial domain Multi target TT&C communication system transmitting flow process:
(1) full spatial domain Multi target TT&C communication system is according to user's requirement, and the remote information for 16 satellites that user input by synthetical baseband carries out modulating respectively, spread spectrum, forms intermediate-freuqncy signal, outputs to launching beam formation DBF equipment;
(2) launching beam formation processing machine is according to the operating frequency of 16 satellites and residing azimuth, the angle of pitch, forms 16 launching beams, points to the target satellite of each wave beam respectively, exports the T/R assembly of launching beam intermediate-freuqncy signal to correspondence;
(3) the emission medium-frequency signal of input is up-converted to radiofrequency signal and outputs to spherical array antenna by T/R assembly, is launched by RF remote-controlled signal;
Full spatial domain Multi target TT&C communication system receives flow process:
(1) spherical array antenna receives the telemetered signal of 16 satellites, outputs to corresponding T/R assembly;
(2) radiofrequency signal of input is down-converted to intermediate-freuqncy signal by T/R assembly, outputs to received beam forming device;
(3) received beam formation processing machine is according to the azimuth at the operating frequency of 16 satellites and place, the angle of pitch, and form the wave beam that 16 are pointed to respective target satellites, beam signal outputs to synthetical baseband pond;
(4) the 16 road beam signals of synthetical baseband to input carry out despreading demodulation processing, obtain the telemetry intelligence (TELINT) that 16 satellites issue, output to user.
Claims (10)
1. a full spatial domain Multi target TT&C communication system, comprise the spherical array antenna be made up of hemisphere and cylinder two parts, T/R assembly, digital beam froming DBF equipment containing launching beam formation processing machine and received beam formation processing machine and synthetical baseband pond, it is characterized in that: spherical array antenna and digital beam froming DBF equipment, form N >=2 wave beam within the scope of full spatial domain simultaneously, each beam position one needs the aircraft of telemetry communication, the sensing of each wave beam synchronously changes along with the movement of tracked target, wherein, hemisphere and cylinder are arranged with at least 2 bays separately, and the down going channel output of the T/R assembly of each bay is connected with the input of received beam formation processing machine, the input of the data feedback channel of all T/R assemblies is connected with the output of launching beam formation processing machine, the radiofrequency signal that spherical array antenna receives is converted to intermediate-freuqncy signal and outputs to received beam formation processing machine by T/R assembly, the launching beam signal that launching beam formation processing machine exports is converted to radiofrequency signal deliver to spherical array antenna transmission and go out, launching beam formation processing machine receives the remote signal that synthetical baseband pond exports, and forming the launching beam pointing to each observing and controlling target, then delivering to each road T/R assembly transmitting, and is gone out by spherical array antenna transmission through up-conversion with after amplifying, received beam formation processing machine carries out process to input signal and forms the wave beam pointing to each observing and controlling target, output to synthetical baseband pond, the remote information of aircraft is sent to digital beam froming DBF equipment and forms launching beam by synthetical baseband pond, demodulation process is carried out to reception beam signal, obtains the telemetry intelligence (TELINT) of target, Distance geometry speed data.
2. by full spatial domain according to claim 1 Multi target TT&C communication system, it is characterized in that: spherical array antenna hemisphere is with the hemisphere face polyhedron being smooth hemisphere on complete geometric meaning or adopt polygon to be spliced.
3. by the full spatial domain Multi target TT&C communication system based on spherical array antenna and DBF according to claim 1, it is characterized in that: in order to reduce Insertion Loss, spherical array antenna and T/R assembly are structurally the integrated design, connect a T/R assembly after each bay, be connected by structural member between bay with T/R assembly.
4. by full spatial domain according to claim 1 Multi target TT&C communication system, it is characterized in that: the quantity of T/R assembly is identical with bay quantity, and each T/R is divided into up, down going channel, data feedback channel completes amplification to transmitting and up-conversion, intermediate-freuqncy signal is converted to radiofrequency signal, down going channel completes low noise amplification to received signal and down-conversion, and the radiofrequency signal received is converted into intermediate-freuqncy signal.
5. by full spatial domain according to claim 1 Multi target TT&C communication system, it is characterized in that: synthetical baseband pond includes the digital baseband terminal identical with observing and controlling target numbers, pass through scheduling of resource, each observing and controlling object matching digital baseband terminal, digital baseband terminal completes the coding of transmitting data, the range finding of modulation and Received signal strength, the resolving of the data such as to test the speed.
6. by full spatial domain according to claim 1 Multi target TT&C communication system, it is characterized in that: spherical array antenna receives the downlink radio-frequency signal of observing and controlling target, after the amplification of T/R assembly, down-conversion, be transformed to intermediate-freuqncy signal deliver to received beam formation processing machine, received beam formation processing prow is first converted to digital signal to intermediate frequency analog signal sampling, then targeted wave beam is formed according to the orbit of aircraft, synthetical baseband pond scheduling base-band resource, the process such as beam signal to be found range, test the speed, obtain the telemetry intelligence (TELINT) of this target; Synthetical baseband pond is according to up Launch Program scheduling base-band resource, up remote information carried out modulate, deliver to launching beam formation processing machine after the process such as coding, launching beam formation processing machine forms launching beam according to the direction of target, up intermediate-freuqncy signal is transported to T/R assembly, launches through amplifying and delivering to each array element after up-conversion.
7. by the full spatial domain Multi target TT&C communication system based on spherical array antenna and DBF according to claim 1, it is characterized in that: the remote information for 16 satellites that user inputs by synthetical baseband carries out modulating respectively, spread spectrum, form intermediate-freuqncy signal, output to launching beam and form DBF equipment.
8. by the full spatial domain Multi target TT&C communication system based on spherical array antenna and DBF according to claim 7, it is characterized in that: launching beam formation processing machine is according to the operating frequency of 16 satellites and residing azimuth, the angle of pitch, form 16 launching beams, point to the target satellite of each wave beam respectively, export launching beam intermediate-freuqncy signal to corresponding T/R assembly.
9. by the full spatial domain Multi target TT&C communication system based on spherical array antenna and DBF according to claim 1, it is characterized in that: the emission medium-frequency signal of input is up-converted to radiofrequency signal and outputs to spherical array antenna by T/R assembly, is launched by RF remote-controlled signal.
10. by the full spatial domain Multi target TT&C communication system based on spherical array antenna and DBF according to claim 9, it is characterized in that: spherical array antenna receives the telemetered signal of 16 satellites, output to corresponding T/R assembly; The radiofrequency signal of input is down-converted to intermediate-freuqncy signal by T/R assembly, outputs to received beam forming device; Received beam formation processing machine is according to the azimuth at the operating frequency of 16 satellites and place, the angle of pitch, and form the wave beam that 16 are pointed to respective target satellites, beam signal outputs to synthetical baseband pond; The 16 road beam signals of synthetical baseband to input carry out despreading demodulation processing, obtain the telemetry intelligence (TELINT) that 16 satellites issue, output to user.
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| CN111200446A (en) * | 2020-04-03 | 2020-05-26 | 山西科泰航天防务技术股份有限公司 | Multi-target real-time telemetering signal receiving system |
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Cited By (14)
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| CN106371111B (en) * | 2016-10-28 | 2019-11-08 | 北京无线电测量研究所 | A kind of ground-control guidance system and its method for multiple target |
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| CN109462039A (en) * | 2018-10-22 | 2019-03-12 | 南京理工大学 | Integrated characteristics of conformal phased array antenna |
| CN111200446A (en) * | 2020-04-03 | 2020-05-26 | 山西科泰航天防务技术股份有限公司 | Multi-target real-time telemetering signal receiving system |
| CN111245471A (en) * | 2020-04-03 | 2020-06-05 | 山西科泰航天防务技术股份有限公司 | Multi-target real-time telemetering method and system |
| CN111245471B (en) * | 2020-04-03 | 2024-03-01 | 山西科泰航天防务技术股份有限公司 | Multi-target real-time telemetry method and system |
| CN112994784A (en) * | 2021-04-26 | 2021-06-18 | 北京航天驭星科技有限公司 | Method for receiving satellite telemetering data and method for sending instruction to satellite |
| CN112994784B (en) * | 2021-04-26 | 2021-09-17 | 北京航天驭星科技有限公司 | Method for receiving satellite telemetering data and method for sending instruction to satellite |
| CN114113811A (en) * | 2021-10-26 | 2022-03-01 | 中国电子科技集团公司第二十研究所 | Multi-target cooperation test method for digital multi-beam phased array antenna |
| CN114113811B (en) * | 2021-10-26 | 2024-03-15 | 中国电子科技集团公司第二十研究所 | Multi-target cooperative testing method for digital multi-beam phased array antenna |
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