CN210534324U - General unmanned aerial vehicle monitoring radar waveform generating equipment - Google Patents

Abstract

The utility model discloses a general unmanned aerial vehicle monitoring radar waveform generating device, which comprises a frequency acquisition circuit, a noise reduction push-pull circuit and a filtering transmitting circuit, the frequency acquisition circuit acquires the analog signal frequency of the input end of the signal transmission module, the noise reduction push-pull circuit uses an operational amplifier AR1, a diode D2, a diode D3 and a capacitor C1 to form the noise reduction circuit to reduce the signal-to-noise ratio, and simultaneously uses a triode Q1 and a triode Q2 to form the push-pull circuit to prevent signal distortion, and a triode Q3 and a triode Q4 are used for forming a switching circuit to adjust the signal potential, a triode Q3 feeds back a high-level signal to the base electrode of a triode Q2, the amplitude of a push-pull circuit is adjusted, and finally a filter transmitting circuit forms a filter circuit by using a capacitor C5, a capacitor C4 and a resistor R6 to filter out signal clutter, so that the frequency of an analog signal at the input end of a signal transmission module can be monitored in real time, and the signal is converted into an error correction signal of a radar waveform signal received by a controller after being calibrated.

Description

General unmanned aerial vehicle monitoring radar waveform generating equipment

Technical Field

The utility model relates to a fault information technical field especially relates to a general unmanned aerial vehicle keeps watch on radar wave form and produces equipment.

Background

The utility model provides a general unmanned aerial vehicle keeps watch on radar wave form and produces equipment, including controller, information acquisition module, signal transmission module, display module and error calibration module, the controller passes through the signal that signal transmission module received information acquisition module output, while controller analysis processes signal control display module and shows the radar wave form, error calibration module gathers signal transmission module input analog signal frequency, convert the error correction signal of the radar wave form signal that the controller received into, because the frequency modulation phenomenon can take place for analog signal in the signal transmission module, lead to signal distortion, cause the controller received signal to lose, the running condition of general unmanned aerial vehicle monitoring radar wave form production equipment is seriously influenced.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims to provide a general unmanned aerial vehicle keeps watch on radar waveform production equipment has the characteristic of thinking ingenious, humanized design, can be to signal transmission module input analog signal frequency real-time supervision, converts the error correction signal of the radar waveform signal that the controller received into after the signal calibration.

The technical scheme includes that the general unmanned aerial vehicle monitoring radar waveform generating equipment comprises a controller, an information acquisition module, a signal transmission module, a display module and an error calibration module, wherein the controller receives signals output by the information acquisition module through the signal transmission module, the controller analyzes and processes the signals to control the display module to display radar waveforms, the error calibration module acquires analog signal frequency at the input end of the signal transmission module and converts the analog signal frequency into error correction signals of radar waveform signals received by the controller, the error calibration module comprises a frequency acquisition circuit, a noise reduction push-pull circuit and a filtering transmitting circuit, the frequency acquisition circuit acquires analog signal frequency at the input end of the signal transmission module, the noise reduction push-pull circuit utilizes an operational amplifier AR1 and a diode D2, a diode D3 and a capacitor C1 to form a noise reduction circuit to reduce the signal-to-noise ratio, and meanwhile, a triode Q1 is utilized, The triode Q2 forms a push-pull circuit to prevent signal distortion, a switching circuit is formed by the triode Q3 and the triode Q4 to adjust signal potential, the triode Q3 feeds back a high-level signal to the base electrode of the triode Q2 to adjust the amplitude of the push-pull circuit, the triode Q5 filters abnormal signals in the operational amplifier AR1, and finally the filtering transmitting circuit forms a filtering circuit by the capacitor C5, the capacitor C4 and the resistor R6 to filter signal noise waves and correct signals for errors of radar waveform signals received by the controller.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the advantages that;

1, a noise reduction circuit composed of an operational amplifier AR1, a diode D2, a diode D3 and a capacitor C1 is used for reducing the signal-to-noise ratio and ensuring the accuracy of signals, a push-pull circuit composed of a triode Q1 and a triode Q2 is used for preventing signal distortion and further ensuring the stability of the signals, a switching circuit composed of a triode Q3 and a triode Q4 is used for adjusting the signal potential, a triode Q3 feeds back a high-level signal to the base of a triode Q2 for adjusting the amplitude of the push-pull circuit, and a triode Q4 amplifies the signal potential and compensating the loss of the signals, wherein the triode Q5 filters an abnormal signal in the operational amplifier AR1, the triode Q2 discharges the abnormal high-level signal in the operational amplifier AR1 to the ground to ensure the accuracy and the reliability of error correction signals, a filter circuit composed of a capacitor C5, a capacitor C4 and a resistor R6 is used for filtering clutter of the radar waveform signals received by a, the loss of the received signal of the controller is prevented.

Drawings

Fig. 1 is the circuit diagram of the error calibration module of the present invention.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment of the invention relates to a universal unmanned aerial vehicle surveillance radar waveform generating device, which comprises a controller, an information acquisition module, a signal transmission module, a display module and an error calibration module, wherein the controller receives a signal output by the information acquisition module through the signal transmission module, analyzes and processes the signal to control the display module to display a radar waveform, the error calibration module acquires analog signal frequency at the input end of the signal transmission module and converts the analog signal frequency into an error correction signal of the radar waveform signal received by the controller, the error calibration module comprises a frequency acquisition circuit, a noise reduction push-pull circuit and a filtering and transmitting circuit, the frequency acquisition circuit acquires analog signal frequency at the input end of the signal transmission module, the noise reduction push-pull circuit adopts an operational amplifier AR1, a diode D2, a diode D3 and a capacitor C1 to form a noise reduction circuit so as to reduce the signal-to-noise ratio, The triode Q2 forms a push-pull circuit to prevent signal distortion, a switching circuit is formed by the triode Q3 and the triode Q4 to adjust signal potential, the triode Q3 feeds back a high-level signal to the base electrode of the triode Q2 to adjust the amplitude of the push-pull circuit, the triode Q5 filters abnormal signals in an operational amplifier AR1, and finally the filtering and transmitting circuit forms a filtering circuit by the capacitor C5, the capacitor C4 and the resistor R6 to filter signal noise waves and correct signals for errors of radar waveform signals received by the controller;

the noise reduction push-pull circuit comprises an operational amplifier AR1, a diode D2, a diode D3 and a capacitor C1, the noise reduction circuit reduces the signal-to-noise ratio and ensures the accuracy of signals, meanwhile, a push-pull circuit consisting of a triode Q1 and a triode Q2 is used for preventing signal distortion and further ensuring the stability of the signals, a switching circuit consisting of a triode Q3 and a triode Q4 is used for adjusting the signal potential, a triode Q3 feeds back a high-level signal to the base of a triode Q2, the amplitude of the push-pull circuit is adjusted, the signal potential is amplified by the triode Q4, the loss of the signals is compensated, wherein an abnormal signal in the operational amplifier AR1 is filtered by the triode Q5, the abnormal high-level signal in the operational amplifier AR1 is discharged to the ground by the triode Q2, the accuracy and the reliability of error correction signals are ensured, the in-phase input end of the operational amplifier AR1 is connected with the positive pole of the diode D2 and one end of the capacitor C1, the, the other end of the resistor R3 is grounded, the output end of the operational amplifier AR1 is connected with the collector of the triode Q5, the emitter of the triode Q3 and the triode Q1, the base of the triode Q2, the anode of the diode D3 and the other end of the capacitor C1, the cathode of the diode D3 is connected with the cathode of the diode D2, the emitter of the triode Q5 is connected with one end of the capacitor C3, the other end of the capacitor C3 is grounded, the collector of the triode Q1 is connected with one end of the resistor R4, the collector of the triode Q4 and the power supply +5V, the emitter of the triode Q1 is connected with the emitter of the triode Q2 and the base of the triode Q3, the collector of the triode Q3 is grounded, the collector of the triode Q3 is connected with the base of the triode Q3 and the other end of the resistor R3, and the other end of the resistor R3 is grounded.

In a second embodiment, on the basis of the first embodiment, the filtering and transmitting circuit uses a capacitor C5, a capacitor C4 and a resistor R6 to form a filtering circuit, which filters signal noise, and corrects an error correction signal of a radar waveform signal received by the controller, so as to prevent the loss of the signal received by the controller, one end of the resistor R6 is connected to one end of the capacitor C4 and a collector of the triode Q4, the other end of the capacitor C4 is grounded, the other end of the resistor R6 is connected to one end of the resistor R7 and one end of the capacitor C5, the other end of the capacitor C5 is grounded, and the other end of the resistor R7 is connected to a signal output end;

the frequency acquisition circuit selects a frequency collector J1 with the model of SJ-ADC to acquire the analog signal frequency of the input end of a signal transmission module, the power supply end of a frequency collector J1 is connected with one end of a resistor R1, the grounding end of the frequency collector J1 is grounded, the output end of the frequency collector J1 is connected with one ends of a capacitor C1 and a resistor R2, the other ends of the resistor R1 and the capacitor C1 are connected with a +5V power supply, and the other end of the resistor R2 is connected with the non-inverting input end of a transport amplifier AR 1.

When the utility model is used in particular, a general unmanned aerial vehicle monitoring radar waveform generating device comprises a controller, an information acquisition module, a signal transmission module, a display module and an error calibration module, wherein the controller receives signals output by the information acquisition module through the signal transmission module, the controller analyzes and processes the signals to control the display module to display radar waveforms, the error calibration module acquires analog signal frequency at the input end of the signal transmission module and converts the analog signal frequency into error correction signals of radar waveform signals received by the controller, the error calibration module comprises a frequency acquisition circuit, a noise reduction push-pull circuit and a filtering transmitting circuit, the frequency acquisition circuit acquires analog signal frequency at the input end of the signal transmission module, the noise reduction push-pull circuit utilizes an operational amplifier AR1, a diode D2, a diode D3 and a capacitor C1 to form a noise reduction circuit to reduce the signal-to-noise ratio and ensure the accuracy of the signals, meanwhile, a push-pull circuit consisting of a triode Q1 and a triode Q2 is used for preventing signal distortion, the stability of signals is further ensured, a switching circuit consisting of a triode Q3 and a triode Q4 is used for adjusting signal potential, the triode Q3 feeds back a high-level signal to the base of a triode Q2, the amplitude of the push-pull circuit is adjusted, the triode Q4 amplifies the signal potential and compensates the loss of the signals, the triode Q5 filters abnormal signals in an operational amplifier AR1, the triode Q2 discharges the abnormal high-level signal in the operational amplifier AR1 to the ground, the accuracy and reliability of error correction signals are ensured, and finally, a filter circuit consisting of a capacitor C5, a capacitor C4 and a resistor R6 is used for filtering signal noise waves by a filter transmitting circuit and is used for correcting the error of radar waveform signals received by a controller.

The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.

Claims (3)

1. The utility model provides a general unmanned aerial vehicle keeps watch on radar wave form production facility, including controller, information acquisition module, signal transmission module, display module and error calibration module, the controller passes through the signal transmission module and receives the signal of information acquisition module output, the while controller analysis processes signal control display module and shows radar wave form, error calibration module gathers signal transmission module input analog signal frequency, change the error correction signal into the radar wave form signal that the controller received, a serial communication port, error calibration module includes frequency acquisition circuit, falls push-pull circuit and filtering transmitting circuit, frequency acquisition circuit gathers signal transmission module input analog signal frequency, fall and fall the push-pull circuit and use fortune amplifier AR1 and diode D2, diode D3 and electric capacity C1 to constitute and fall the circuit of making an uproar and reduce the signal noise ratio, utilize triode Q1, simultaneously utilize the error correction module, The triode Q2 forms a push-pull circuit to prevent signal distortion, a switching circuit is formed by the triode Q3 and the triode Q4 to adjust signal potential, the triode Q3 feeds back a high-level signal to the base electrode of the triode Q2 to adjust the amplitude of the push-pull circuit, the triode Q5 filters abnormal signals in an operational amplifier AR1, and finally the filtering and transmitting circuit forms a filtering circuit by the capacitor C5, the capacitor C4 and the resistor R6 to filter signal noise waves and correct signals for errors of radar waveform signals received by the controller;

the noise reduction push-pull circuit comprises an operational amplifier AR1, wherein a non-inverting input terminal of the operational amplifier AR1 is connected with an anode of a diode D2 and one end of a capacitor C1, an inverting input terminal of the operational amplifier AR1 is connected with a base of a transistor Q2 and one end of a resistor R3, the other end of a resistor R3 is grounded, an output terminal of the operational amplifier AR1 is connected with a collector of the transistor Q5, an emitter of the transistor Q5 and the transistor Q5, a base of the transistor Q5 and an anode of the diode D5, the other end of the capacitor C5 is connected with the cathode of the diode D5, an emitter of the transistor D5 is connected with one end of the capacitor C5, the other end of the capacitor C5 is grounded, a collector of the transistor Q5 is connected with one end of the resistor R5, a collector of the transistor Q5 and a power supply +5V, an emitter of the transistor Q5 is connected with an emitter of the transistor Q5 and a base of the transistor Q5, a collector of the transistor Q5 is connected with, the emitter of the triode Q3 is connected with the emitter of the triode Q4 and one end of the resistor R5, and the other end of the resistor R5 is grounded.

2. The UAV surveillance radar waveform generator as claimed in claim 1, wherein the filter transmitter circuit comprises a resistor R6, one end of the resistor R6 is connected to one end of a capacitor C4 and the collector of a transistor Q4, the other end of the capacitor C4 is connected to ground, the other end of the resistor R6 is connected to one end of a resistor R7 and one end of a capacitor C5, the other end of the capacitor C5 is connected to ground, and the other end of the resistor R7 is connected to the signal output terminal.

3. The universal unmanned aerial vehicle surveillance radar waveform generating device as claimed in claim 1, wherein the frequency acquisition circuit comprises a frequency collector J1 with model number SJ-ADC, a power supply terminal of the frequency collector J1 is connected with one end of a resistor R1, a ground terminal of the frequency collector J1 is connected with ground, an output terminal of the frequency collector J1 is connected with one ends of a capacitor C1 and a resistor R2, the other ends of the resistor R1 and the capacitor C1 are connected with a power supply +5V, and the other end of the resistor R2 is connected with a non-inverting input terminal of a carrier AR 1.

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