CN102983877A - Missile-borne coherent multi-station-triggering work pulse transponder - Google Patents
Missile-borne coherent multi-station-triggering work pulse transponder Download PDFInfo
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Abstract
The invention relates to a missile-borne coherent multi-station-triggering work pulse transponder. The transponder comprises a microwave unit module and a terminal control module, wherein the microwave unit module achieves low-noise receiving and amplification of a signal, and performs down conversion on the signal to obtain an intermediate-frequency signal to output to the terminal control module; the intermediate-frequency signal in the terminal control module is subjected to the up conversion to obtain a radio frequency signal; and the power of the radio frequency signal is amplified. The transponder provided by the invention is high in reliability, strong in environmental suitability, resists against shock and vibration, self-adaptively modulates pulse width, adapts to a plurality of working modes, and has enhanced anti-jamming capacity. The transponder is high in sensitivity and large in transmitting power, leads the domestic transponder technology to advance, opening up a wide path for the military use and civil use, lays a better foundation for the development of the transponder in the design, the manufacture, and the process, and can produce good economic and social benefits.
Description
Technical field
The present invention relates to a kind of answering machine, relate in particular to a kind of missile-borne coherent multistation and trigger the working pulse answering machine.
Background technology
Succeeding in developing of spaceborne, missile-borne answering machine is development and the in-depth to the space industry observation and control technology.Spaceborne, missile-borne answering machine directly reaches to the measurement of various type of missile flight test tracks with to the tracking of its precision and evaluates in effective cooperation solution satellite, the track location of airship, attitude location, for the different model guided missile test, finalizes the design, and has played key effect.
Answering machine reception, retransmission technique are according to the different carriers requirement, and different frequency power etc., in ground-based electronic equipment and aircarrier aircraft, comparatively are widely used.But as spaceborne, missile-borne answering machine, its special meaning and strict especially requirement are arranged.One, supporting electronic equipment as space industry exists technology and reliability, and the risk of environmental suitability etc. is well-known, the cost of a satellite must be in more than one hundred million left and right, and the expenses such as transmitter (comprising carrier rocket), measuring and controlling equipment that add approach 200,000,000 left and right.The cost of an airship needs high cost especially, even one piece of guided missile is also wanted 5,000 ten thousand left and right usually.To the various technical parameters of answering machine, power, not only want technical qualities outstanding so, and main is the reliability of high stability and the adaptability of particular surroundings.
Summary of the invention
Technical problem to be solved: for following problem:
1. miniaturization: missile-borne coherent multistation trigger impulse answering machine volume is little, lightweight is a key technology, particularly light guided missile, its size: l * h * D≤125 * 110 * 72mm, weight≤1.6Kg.Also require transmitting power >=100W, duty accounts for and reaches 4 ‰, mode of operation complexity, multistation triggering work, adaptive strain pulse duration, full coherent.
2. uplink and downlink operating distance is mated, and far away, requires the answering machine receiving sensitivity high, and transmitting power is large.
3. must full coherent system, local oscillation signal clutter inhibition high, the anti-machine internal and external interference of degree performance is high, isolate the series of technical such as large.
4. multistation work (radar chain): the design that timing synchronization is controlled, multistation restricts mutually, blind area (recovery time) selected, adopt software programming to solve self adaptation variable pulse width and accurate time delay and timing synchronization and control.
5. environmental suitability: must satisfied temperature (high low temperature) requirement, require shock-resistant vibrations simultaneously.
The invention provides a kind of missile-borne coherent multistation and trigger working pulse answering machine and control system thereof.The present invention is the general answering machine that is applicable to spaceborne, boat-carrying (airship), the different pulse width variation of the full coherent multistation of missile-borne work accommodation.
Technical scheme: to the invention provides a kind of missile-borne coherent multistation triggering working pulse answering machine in order overcoming the above problems, to it is characterized in that: comprise microwave unit module, terminal control module; Microwave unit module settling signal low-noise reception amplifies, downconvert to intermediate frequency exports the terminal control module to, and the intermediate-freuqncy signal up-conversion in the terminal control module, to RF pulse signal, and is carried out to power amplification by RF pulse signal.
Described microwave unit module comprises receive channel, emission channel; On a work period, when signal does not also arrive, receive channel is in running order, and the emission channel is in closed condition; After the terminal control module is received signal according to the rectified signal judgement of intermediate frequency, close receive channel, open the emission channel, emission channel off after a work period completes, receive channel is opened.
Described receive channel comprises: duplexer, preselector, amplitude limit are received switch, LNA, mixing, local oscillator power splitter; The emission channel comprises: local oscillator power splitter, up-conversion, sideband bandpass filter, a switch, time control solid state power amplifier, duplexer;
The receive channel of the duplexer of microwave receiving signal in the microwave unit module of input is delivered to preselector, the unwanted spurious signal of filtering, select the receiving frequency signals needed, after amplitude limit receipts derailing switch is delivered in output, output, after the LNA low noise amplification, deliver to frequency mixer, the microwave signal of sending here with the local oscillator power splitter downconverts to intermediate-freuqncy signal, delivers to the terminal control module; Intermediate-freuqncy signal from the terminal control module, give the upconverter in the microwave unit module, the microwave signal up-conversion of sending here with the local oscillator power splitter is to required transmit frequency signal, give sideband filter after premenstrual storing is large, the unwanted spurious signal of filtering, select to deliver to a switch after required transmit frequency signal, and the signal after sending out switch modulation is delivered to the time control solid state power amplifier, be amplified to the power level needed by transmitting, deliver to the emission channel output of duplexer.
Described duplexer: the public device of the transceiver channel of high-performance receive-transmit isolation;
Preselector: the band pass filter device of high Q value, as the receive channel preselector, select required receiving frequency signals, suppress interference signal;
Amplitude limit is received switch: microwave amplitude limit PIN switching device;
LNA: microwave integrated circuit, for realizing the microwave signal low noise amplification;
Frequency mixer: the microwave circuit device, the microwave signal produced for the microwave signal by input and local vibration source downconverts to intermediate-freuqncy signal, delivers to Terminal Control Element
;
Upconverter: the microwave circuit device, for inputting intermediate-freuqncy signal and the local oscillator microwave signal is converted to required transmit frequency signal;
Sideband filter: the band pass filter device of high Q value, as emission channel frequency-selector, select required transmit frequency signal, suppress interference signal;
The local oscillator power splitter: local oscillator is a microwave self-oscillation source, and power splitter is a microstrip circuit;
Send out switch: the Microwave PIN device that adopts high-isolation;
The time control solid state power amplifier is the integrated micro solid state power amplifier, transmission time slot work, and other times stop.
Described terminal control module comprises: amplification module, power module in amplification module, digital signal processor terminal control module, the second gating in the first gating, and power module is for providing power supply;
Amplification module in described the first gating: it is an integrated amplifier printed circuit board unit, and the track that is connected between circuit connects, for dynamic compression and receive channel link gain to received signal;
Amplification module in described the second gating: it is an integrated amplifier printed circuit board unit, and the track that is connected between circuit connects, for signal being amplified to the required power level of upconverter;
Digital signal processor terminal control module has been used for the intermediate-freuqncy signal high-speed sampling, the storage delay function produces the required timing synchronization control impuls of amplification module in microwave transmitting and receiving switch, transceiver channel time slot, time control solid state power amplifier, the one the second gatings, and sensitivity remote measurement and telemetering of power level simultaneously;
The microwave signal that the microwave signal of input and local vibration source produce downconverts to after intermediate-freuqncy signal to be delivered to amplification module in the first gating and carries out the dynamic compression amplification, carry out signal and be amplified to the required level of microwave unit module by delivering in the second gating amplification module after digital signal processor terminal control resume module again, and then give the microwave unit module
Described digital signal processor terminal control module comprises: A/D converter unit, digital filtering, FPGA memory, D/A converter unit, telemetric circuit;
Under the control of sampling clock and pulse detection signals, the A/D converter unit is sampled to input signal, and the data of exporting after digital filtering are directly given the FPGA memory and are stored, the FPGA memory completes the storage of data, delay function namely, be the answering machine delay time, data are given the D/A converter unit after the FPGA memory processes, give the downlink channel after the D/A converter unit is transformed into analog signal.
Digital intermediate frequency rectified signal after the A/D conversion is given after telemetric circuit is processed and is exported after judgement, as sensitivity remote measurement level signal.
Described telemetric circuit: the peak inspection output in the time control solid state power amplifier and the digital intermediate frequency rectified signal in digital signal processor terminal control module are all delivered to telemetric circuit, and after telemetric circuit is processed, output is as telemetering of power level and sensitivity remote measurement level signal.
Beneficial effect: answering machine of the present invention has that reliability is high, environmental suitability is strong, impact resisting vibrating, self adaptation variable pulse width, adapts to multiple-working mode, strengthens antijamming capability.Have highly sensitive, transmitting power is large, China's answering machine technology is stepped again further, for the military civilian wide road of having opened up, established better basis of design, manufacture, technique for further developing of answering machine again simultaneously, will produce good economic and social benefit.
The accompanying drawing explanation
The theory of constitution block diagram that Fig. 1 is answering machine of the present invention;
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in more detail.
As shown in Figure 1,
a kind of missile-borne coherent multistation triggers the working pulse answering machine, comprise microwave unit module, terminal control module; Microwave unit module settling signal low-noise reception amplifies, downconvert to intermediate frequency exports the terminal control module to, by the intermediate-freuqncy signal up-conversion in the terminal control module to RF pulse signal, and RF pulse signal is carried out to power amplification, to meet complete machine transmitted pulse power requirement.
described microwave unit modulecomprise receive channel, emission channel;
Described receive channel comprises: duplexer, preselector, amplitude limit are received switch, LNA, mixing, local oscillator
Power splitter.
Described emission channel comprises: local oscillator power splitter, up-conversion, sideband filter, send out switch, time control solid state power amplifier,
Duplexer.
The receive channel of the duplexer of microwave receiving signal in the microwave unit module of input is delivered to preselector, the unwanted spurious signal of filtering, select the receiving frequency signals needed, after amplitude limit receipts derailing switch is delivered in output, output, after the LNA low noise amplification, deliver to frequency mixer, the microwave signal of sending here with the local oscillator power splitter downconverts to intermediate-freuqncy signal, delivers to the terminal control module; Intermediate-freuqncy signal from the terminal control module, give the upconverter in the microwave unit module, the microwave signal up-conversion of sending here with the local oscillator power splitter is to required transmit frequency signal, give sideband filter after premenstrual storing is large, the unwanted spurious signal of filtering, select to deliver to a switch after required transmit frequency signal, and the signal after sending out switch modulation is delivered to the time control solid state power amplifier, be amplified to the power level needed by transmitting, deliver to the emission channel output of duplexer.
Described receive path: high frequency partly adopts and disturbs inhibition, low noise amplification.The circuit design manufacture adopts integrated, the micro-packaging technology technology of microwave, and signaling interface adopts the microwave interconnection technology, and intermediate frequency 60MHz sampling becomes digital receiver, adopts the processing of large scale integrated circuit settling signal, storage and signal lag, self adaptation variable pulse width etc.
Described transmission channel: adopt the solid state microwave transmitter, power is large, duty ratio is high.It is comprised of integrated power amplifier, and the output pulse peak power is that more than 100W, repetition rate reaches 3.3KHz.
Duplexer: the public device of transceiver channel with high-performance receive-transmit isolation.
Preselector: the band pass filter device of high Q value, as the receive channel preselector, select required receiving frequency signals, suppress interference signal.
Amplitude limit is received switch: microwave amplitude limit PIN switching device, there is sufficiently high switch isolation degree, and amplitude limit HIGH-POWERED MICROWAVES signal, protection LNA is not burnt.
LNA: microwave integrated circuit, realize the microwave signal low noise amplification.
Frequency mixer: the microwave circuit device, the microwave signal that the microwave signal of input and local vibration source are produced downconverts to intermediate-freuqncy signal, delivers in the first gating of terminal control module amplification module and carries out dynamic compression and be amplified to the requirement that meets A/D converter incoming level.Digital signal processor terminal control module is delivered in the output of A/D converter, and the signal after the D/A of this module conversion is delivered to amplification module in the second gating again, and signal is amplified to the required level of upconverter, gives the upconverter in the microwave unit module.
The local oscillator power splitter: local oscillator is a microwave self-oscillation source, and power splitter is a microstrip circuit.
Upconverter: the microwave circuit device, input intermediate-freuqncy signal and local oscillator microwave signal are converted to required transmit frequency signal, premenstrual storing is large, sideband bandpass filter filtering spurious signal is delivered to and sent out switch modulation.
Sideband filter: the band pass filter device of high Q value, as emission channel frequency-selector, select required transmit frequency signal, suppress interference signal.
Send out switch: there is enough Microwave PIN devices of high switch isolation degree.Signal after modulation is delivered to the time control solid state power amplifier, is amplified to the power level needed by transmitting and delivers to duplexer output.
The time control solid state power amplifier is the integrated micro solid state power amplifier, transmission time slot work, and other times stop.Peak inspection output in the time control solid state power amplifier and the digital intermediate frequency rectified signal in digital signal processor terminal control module are all delivered to the telemetric circuit in this module, and output after treatment is as telemetering of power and sensitivity telemetered signal.
Described
the terminal control modulecomprise: amplification module, power module in amplification module, digital signal processor terminal control module, the second gating in the first gating.Power module provides each module of complete machine required power supply.
Amplification module in described the first gating: it is an integrated amplifier printed circuit board unit, and the track that is connected between circuit connects, and its function is dynamic compression and receive channel link gain to received signal.
Amplification module in described the second gating: it is an integrated amplifier printed circuit board unit, and the track that is connected between circuit connects, and its function is that signal is amplified to the required power level of upconverter.
As shown in Figure 1, digital signal processor terminal control module comprises: A/D converter unit, digital filtering, FPGA memory, D/A converter unit, telemetric circuit.
Digital signal processor terminal control module completes the intermediate-freuqncy signal high-speed sampling, and the storage delay function also produces various synchronous control signals and sensitivity remote measurement and the telemetering of power signal that meets the requirement of answering machine complete machine sequential.
It mainly completes A/D (D/A) conversion of intermediate-freuqncy signal, the storage delay function produces the required timing synchronization control impuls of the circuit such as amplification module in microwave transmitting and receiving switch, transceiver channel time slot, time control power amplifier, the one the second gatings, and sensitivity remote measurement and telemetering of power level simultaneously.
Data acquisition storage sequencing control produces principle: under the control of sampling clock and pulse detection signals, the A/D converter unit is sampled to input signal, and the data of exporting after digital filtering are directly given the FPGA memory and are stored, the FPGA memory mainly completes the storage of data, namely delay function, be the answering machine delay time.Delay time length is determined according to mission requirements.Data are given the D/A converter unit after the FPGA memory processes, give the downlink channel after the D/A converter unit is transformed into analog signal.
The generation of synchronous sequence control impuls: answering machine is received a signal, and this signal is forwarded to the work period into answering machine.On a work period of answering machine, when signal does not also arrive, receive channel is in running order, and the emission channel is in closed condition; After answering machine Digital Signal Processing terminal is received signal according to the rectified signal judgement of intermediate frequency, close receive channel, open the emission channel, emission channel off after a work period of answering machine completes, receive channel is opened.
Digital Signal Processing has adopted take the digital architecture design that FPGA is core, the management method that " FPGA " programmable logic device is adopted, adopt general Front-end Design instrument and the method for hardware description language during design, guarantee compatibility, sharing and the inheritance of software and hardware.
Answering machine multistation of the present invention work, can four stations working systems simultaneously, adopt public local oscillator to keep coherent.Due to multistation work, have the opportunity that simultaneously triggers answering machine or, in transponder recovery time, this just forms answering machine and choking phenomenon occurs, namely leakage signal (lacking station work, without recall signal).Adopt correct timing synchronization control and the amount of putting before and after along gate delay (time cut apart) way, mainly use the total line traffic control of FPGA memory cell.
Answering machine of the present invention has basic difference with general ground, civilian answering machine.
Answering machine performance comparison sheet
The foregoing is only the preferred embodiments of the present invention, be not restricted to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present invention.
Claims (7)
1. a missile-borne coherent multistation triggers the working pulse answering machine, it is characterized in that: comprise microwave unit module, terminal control module; Microwave unit module settling signal low-noise reception amplifies, downconvert to intermediate frequency exports the terminal control module to, and the intermediate-freuqncy signal up-conversion in the terminal control module, to RF pulse signal, and is carried out to power amplification by RF pulse signal.
2. a kind of missile-borne coherent multistation according to claim 1 triggers the working pulse answering machine, it is characterized in that: described microwave unit module comprises receive channel, emission channel; On a work period, when signal does not also arrive, receive channel is in running order, and the emission channel is in closed condition; After the terminal control module is received signal according to the rectified signal judgement of intermediate frequency, close receive channel, open the emission channel, emission channel off after a work period completes, receive channel is opened.
3. a kind of missile-borne coherent multistation according to claim 2 triggers the working pulse answering machine, and it is characterized in that: described receive channel comprises: duplexer, preselector, amplitude limit are received switch, LNA, mixing, local oscillator power splitter; The emission channel comprises: local oscillator power splitter, up-conversion, sideband bandpass filter, a switch, time control solid state power amplifier, duplexer;
The receive channel of the duplexer of microwave receiving signal in the microwave unit module of input is delivered to preselector, the unwanted spurious signal of filtering, select the receiving frequency signals needed, after amplitude limit receipts derailing switch is delivered in output, output, after the LNA low noise amplification, deliver to frequency mixer, the microwave signal of sending here with the local oscillator power splitter downconverts to intermediate-freuqncy signal, delivers to the terminal control module; Intermediate-freuqncy signal from the terminal control module, give the upconverter in the microwave unit module, the microwave signal up-conversion of sending here with the local oscillator power splitter is to required transmit frequency signal, give sideband filter after premenstrual storing is large, the unwanted spurious signal of filtering, select to deliver to a switch after required transmit frequency signal, and the signal after sending out switch modulation is delivered to the time control solid state power amplifier, be amplified to the power level needed by transmitting, deliver to the emission channel output of duplexer.
4. a kind of missile-borne coherent multistation according to claim 3 triggers the working pulse answering machine, it is characterized in that: described
Duplexer: the public device of the transceiver channel of high-performance receive-transmit isolation;
Preselector: the band pass filter device of high Q value, as the receive channel preselector, select required receiving frequency signals, suppress interference signal;
Amplitude limit is received switch: microwave amplitude limit PIN switching device;
LNA: microwave integrated circuit, for realizing the microwave signal low noise amplification;
Frequency mixer: the microwave circuit device, the microwave signal produced for the microwave signal by input and local vibration source downconverts to intermediate-freuqncy signal, delivers to Terminal Control Element
;
Upconverter: the microwave circuit device, for inputting intermediate-freuqncy signal and the local oscillator microwave signal is converted to required transmit frequency signal;
Sideband filter: the band pass filter device of high Q value, as emission channel frequency-selector, select required transmit frequency signal, suppress interference signal;
The local oscillator power splitter: local oscillator is a microwave self-oscillation source, and power splitter is a microstrip circuit;
Send out switch: the Microwave PIN device that adopts high-isolation;
The time control solid state power amplifier is the integrated micro solid state power amplifier, transmission time slot work, and other times stop.
5. a kind of missile-borne coherent multistation according to claim 1 triggers the working pulse answering machine, it is characterized in that: described terminal control module comprises: amplification module, power module in amplification module, digital signal processor terminal control module, the second gating in the first gating, and power module is for providing power supply;
Amplification module in described the first gating: it is an integrated amplifier printed circuit board unit, and the track that is connected between circuit connects, for dynamic compression and receive channel link gain to received signal;
Amplification module in described the second gating: it is an integrated amplifier printed circuit board unit, and the track that is connected between circuit connects, for signal being amplified to the required power level of upconverter;
Digital signal processor terminal control module has been used for the intermediate-freuqncy signal high-speed sampling, the storage delay function produces the required timing synchronization control impuls of amplification module in microwave transmitting and receiving switch, transceiver channel time slot, time control solid state power amplifier, the one the second gatings, and sensitivity remote measurement and telemetering of power level simultaneously;
The microwave signal that the microwave signal of input and local vibration source produce downconverts to after intermediate-freuqncy signal to be delivered to amplification module in the first gating and carries out the dynamic compression amplification, carry out signal and be amplified to the required level of microwave unit module by delivering in the second gating amplification module after digital signal processor terminal control resume module again, and then give the microwave unit module.
6. a kind of missile-borne coherent multistation according to claim 5 triggers the working pulse answering machine, it is characterized in that: described
Digital signal processor terminal control module comprises: A/D converter unit, digital filtering, FPGA memory, D/A converter unit, telemetric circuit;
Under the control of sampling clock and pulse detection signals, the A/D converter unit is sampled to input signal, and the data of exporting after digital filtering are directly given the FPGA memory and are stored, the FPGA memory completes the storage of data, delay function namely, be the answering machine delay time, data are given the D/A converter unit after the FPGA memory processes, give the downlink channel after the D/A converter unit is transformed into analog signal;
Digital intermediate frequency rectified signal after the A/D conversion is given after telemetric circuit is processed and is exported after judgement, as sensitivity remote measurement level signal.
7. a kind of missile-borne coherent multistation according to claim 6 triggers the working pulse answering machine, it is characterized in that: described telemetric circuit: the peak inspection output in the time control solid state power amplifier and the digital intermediate frequency rectified signal in digital signal processor terminal control module are all delivered to telemetric circuit, and after telemetric circuit is processed, output is as telemetering of power level and sensitivity remote measurement level signal.
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| CN105606885A (en) * | 2015-12-25 | 2016-05-25 | 北京无线电计量测试研究所 | Pulse power measurement system based on intermediate frequency alternative technology |
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| CN103312358A (en) * | 2013-05-22 | 2013-09-18 | 廖华芬 | Respond wireless interference signal generator and method thereof |
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| CN103645662B (en) * | 2013-12-09 | 2016-11-02 | 湖南工学院 | For the data acquisition of industrial flow-line and communicator and method |
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| CN107271967B (en) * | 2016-11-26 | 2020-03-31 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Pulse coherent transponder same-frequency interference processing system |
| CN112821883A (en) * | 2021-02-04 | 2021-05-18 | 长春工程学院 | Load self-adaptive high-voltage pulse source with multiple negative feedback |
| CN112821883B (en) * | 2021-02-04 | 2023-06-20 | 长春工程学院 | Load self-adaptive high-voltage pulse source with multiple negative feedback |
| CN115765834A (en) * | 2022-10-31 | 2023-03-07 | 西安空间无线电技术研究所 | Broadband satellite feeder link receiving channel system |
| CN115765834B (en) * | 2022-10-31 | 2024-06-04 | 西安空间无线电技术研究所 | Broadband satellite feed link receiving channel system |
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Application publication date: 20130320 |