The content of the invention
It is an object of the invention to provide a kind of Calibration System based on the Big Dipper, it is somebody's turn to do the Calibration System based on the Big Dipper and overcomes nowThere is the problem of radar in technology can not carry out dynamic calibration, realize the dynamic calibration of Big Dipper signal.
To achieve these goals, the invention provides a kind of Calibration System based on the Big Dipper, the Calibration System includes：My godLine servomechanism installation, transmitter cabinet, reception rack and operation control terminal；Wherein, the transmitter cabinet is connected to the antenna servo dressPut, to pass through the antenna servo device transmission signal；The reception rack is connected to the antenna servo device, to receiveThe corresponding echo-signal of transmission signal is stated, and is coupled into echo-signal calibration source or noise source, and signal after coupling is enteredRow amplification and amplitude limiting processing；The operation control terminal is connected to the reception rack to control to be coupled into calibration source or noise source, andSignal after processing is shown.
Preferably, the transmitter cabinet includes：Modulation power source, emitter and driving source；Wherein, the modulation power source is to instituteState emitter and the driving source is powered；The driving source is connected to the reception rack and the emitter, described to receiveThe control signal of operation control terminal encourages the emitter, in the case where the emitter receives the pumping signal, concurrentlyTransmission signal is sent to the antenna servo device.
Preferably, the transmitter cabinet also includes：Housing, the modulation power source, emitter and driving source are arranged at describedIn housing, and thermostat is provided with the housing.
Preferably, the reception rack includes：Noise source, calibration source, either-or switch, receiver and signal processor；The noise source and the calibration source are connected to the side of the either-or switch, and the opposite side of the either-or switch is connected toThe antenna servo device, to carry out coupling and being amplified and limitation signal with echo-signal, the amplification and limitation signal according toThe secondary processing by the receiver and the signal processor, sends to the operation control terminal.
Preferably, the control end of the either-or switch is connected to the operation control terminal, with to the noise source and calibrationSource carries out alternative input.
Preferably, the antenna servo device includes：Pitching joint, orientation joint and transmitting antenna；The transmitting antennaThe transmitter cabinet is electrically connected to, the pitching joint and orientation joint are all arranged at the lower section of the transmitting antenna, to realizeThe pitching and rotation of transmitting antenna.
Preferably, the Calibration System also includes：Calibration module, the calibration module is arranged at the antenna servo deviceOn, and operation control terminal is connected to by communication module.
Preferably, the communication module includes encoder and network adapter, and the output end of the encoder is connected withGPRS transceivers.
Preferably, the modulation power source includes：Power management module and power circuit；The power circuit produces power supply electricityPressure, the power management module becomes the supply voltage operating voltage being pressed into suitable for the emitter and driving source.
Preferably, the either-or switch wireless connection is in the operation control terminal.
By above-mentioned embodiment, because the intensity of calibration signal source is associated with the transmitting chain amplitude sampled, therefore, the change of mark effect signal amplitude exactly reflects the change of transmitting chain and receives link characteristic, therefore, it is possible toThe echo strength of each range bin is directly corrected on same azimuth, it is achieved thereby that the dynamic mark of the intensity of weather radar signalIt is fixed.The Calibration System, in addition to power supply, with radar do not have it is any involve, it is easy to operate, thus with it is stronger operate, it is realWith property, there is wide prospect of the application.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouchedThe embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention provides a kind of Calibration System based on the Big Dipper, and the Calibration System includes：Antenna servo device, emitterCabinet, reception rack and operation control terminal；Wherein, the transmitter cabinet is connected to the antenna servo device, to pass through the antennaServomechanism installation transmission signal；The reception rack is connected to the antenna servo device, corresponding to receive the transmission signalEcho-signal, and calibration source or noise source are coupled into echo-signal, and signal after coupling is amplified and amplitude limiting processing；The operation control terminal is connected to the reception rack to control to be coupled into calibration source or noise source, and the signal after processing is carried outDisplay.
By above-mentioned embodiment, because the intensity of calibration signal source is associated with the transmitting chain amplitude sampled, therefore, the change of mark effect signal amplitude exactly reflects the change of transmitting chain and receives link characteristic, therefore, it is possible toThe echo strength of each range bin is directly corrected on same azimuth, it is achieved thereby that the dynamic mark of the intensity of weather radar signalIt is fixed.The Calibration System, in addition to power supply, with radar do not have it is any involve, it is easy to operate, thus with it is stronger operate, it is realWith property, there is wide prospect of the application.
In a kind of embodiment of the present invention, the transmitter cabinet can include：Modulation power source, emitter and swashEncourage source；Wherein, the modulation power source is powered to the emitter and the driving source；The driving source is connected to the receiverCabinet and the emitter, encourage the emitter with the control signal for receiving the operation control terminal, are received in the emitterIn the case of the pumping signal, and transmission signal is sent to the antenna servo device.
Pass through the embodiment of upper water, it is possible to achieve the power supply of emitter and the driving source is powered, in the control of driving sourceUnder system, emitter can be encouraged, in the case where the emitter receives the pumping signal, and transmission signal is sent to instituteState antenna servo device.
In this kind of embodiment, the transmitter cabinet can also include：Housing, the modulation power source, emitter and swashThe source of encouraging is arranged in the housing, and is provided with thermostat in the housing.
By above-mentioned mode, the constant temperature of modulation power source, emitter and driving source can be kept, circuit burning is preventedDamage, improve the life-span of circuit, add use time.
In a kind of embodiment of the present invention, the reception rack can include：Noise source, calibration source, two choosingsOne switch, receiver and signal processor；The noise source and the calibration source are connected to the side of the either-or switch, instituteThe opposite side for stating either-or switch is connected to the antenna servo device, with echo-signal couple being amplified and amplitude limitSignal, the amplification and limitation signal sequentially pass through the processing of the receiver and the signal processor, send to the behaviourControl terminal.
Pass through above-mentioned mode, it is possible to achieve the alternative in noise source and calibration source is used, calibration can be selected eitherNot calibration, and after amplification amplitude limit, it is possible to achieve the transmission and processing of signal.
In this kind of embodiment, in order to realize the alternative of noise source and calibration source, both convenient any inputs, instituteThe control end for stating either-or switch is connected to the operation control terminal, to carry out alternative input to the noise source and calibration source.
In a kind of embodiment of the present invention, the antenna servo device can include：Pitching joint, orientation are closedSection and transmitting antenna；The transmitting antenna is electrically connected to the transmitter cabinet, and the pitching joint and orientation joint are all arranged atThe lower section of the transmitting antenna, to realize the pitching and rotation of transmitting antenna.
Pass through the pitching joint of design, orientation joint, it is possible to achieve the pitching and rotation of transmitting antenna, so as to hairThe orientation for penetrating antenna is controlled.
In a kind of embodiment of the present invention, the Calibration System can also include：Calibration module, the calibration mouldBlock is arranged on the antenna servo device, and is connected to operation control terminal by communication module.
Pass through above-mentioned embodiment, it is possible to achieve calibration, and both communication connections can be realized.
In a kind of embodiment of the present invention, in order to which the transmission of wireless network signal, the communication can be carried outModule can include encoder and network adapter, and the output end of the encoder is connected with GPRS transceivers.
In a kind of embodiment of the present invention, in order to obtain a variety of required voltages, the modulation power source can be wrappedInclude：Power management module and power circuit；The power circuit produces supply voltage, and the power management module is by the power supplyVoltage becomes the operating voltage being pressed into suitable for the emitter and driving source.
In this kind of embodiment, in order to realize control of the operation control terminal to either-or switch, the either-or switch withoutLine is connected to the operation control terminal.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned realityThe detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical schemeMonotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lanceIn the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various canThe combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originallyThe thought of invention, it should equally be considered as content disclosed in this invention.