KR20180032041A - System for controlling radar considering radio wave propagation environment and method thereof - Google Patents

Abstract

A system for controlling radar in consideration of a radio wave propagation environment and a method thereof according to the present invention are disclosed. A system for controlling radar according to an exemplary embodiment of the present invention receives a radio wave signal through a receiving antenna and collects radio wave environment data including signal information about the received radio wave signal and angle information about the receiving antenna; a signal analyzer for extracting signal information from the received radio wave signal; and a control terminal for generating control information for controlling the radar based on the propagation environment data and a preset table and providing the generated control information to the radar.

Description

TECHNICAL FIELD [0001] The present invention relates to a system and a method for controlling a radar in consideration of propagation environment,

The present invention relates to an apparatus and a method for controlling a radar in consideration of propagation environment.

When radar is installed in the field environment, the radar installation is performed by analyzing the radio propagation environment manually, or the radar installation is performed without analyzing the propagation environment. Even if the propagation environment is analyzed beforehand, the radar is operated once or several times before the installation There is a difficulty in real-time response to a radio wave environment changing in real-time in a real operating environment.

In other words, unwanted unwanted radio waves from the outside are introduced during operation after installation of the radar, so that the circuit inside the receiver is broken by the over input or the receiver is saturated and the target detection performance is decreased.

In addition, it is difficult for the radar operator to accurately recognize whether the phenomenon due to the external propagation environment occurs intermittently and is a problem due to radar equipment or a phenomenon caused by external propagation.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in an effort to solve the problems of the prior art, and it is an object of the present invention to provide a radar apparatus, which collects propagation environment data by angle using an antenna before operation of a radar, analyzes the collected propagation environment data, And to provide a system and method for controlling the radar in consideration of the propagation environment.

However, the objects of the present invention are not limited to those mentioned above, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above objects, a system for controlling a radar according to an aspect of the present invention includes a receiving unit that receives a radio wave signal through a receiving antenna, and includes signal information about the received radio wave signal and angle information about the receiving antenna A radar for collecting the propagation environment data; A signal analyzer for extracting signal information from the received radio wave signal; And a control terminal for generating control information for controlling the radar based on the propagation environment data and a preset table and providing the generated control information to the radar.

In addition, the signal analyzer can extract signal information about a radio wave signal received at each azimuth angle at the azimuth angle while the receiving antenna rotates according to the azimuth angle of the antenna.

Also, the signal information may include frequency, signal strength, and the like.

In addition, the control terminal may generate control information including propagation environment data collected from the radar and preset parameters based on the preset table, and may transmit the generated control information to the radar.

In addition, the parameter may include an on / off state of a switch for transmitting or interrupting an antenna reception signal of the radar to a receiver, and a damping value of a variable attenuator for attenuating a signal intensity.

In addition, the parameter may further include an ON / OFF state of an antenna protective cover for closing the reception antenna so as to block the reception of the radio wave signal.

According to an aspect of the present invention, there is provided a method for controlling a radar, the method comprising: receiving a radio wave signal through a receiving antenna; receiving radio wave environment data including signal information about the received radio wave signal and angle information about the receiving antenna; Collecting; The signal analyzer extracting signal information from the received radio wave signal; And generating control information for controlling the radar device based on the propagation environment data and a predetermined table, and providing the generated control information to the radar device.

In addition, the extracting may extract signal information on a radio wave signal received for each high angle angle from the azimuth angle while the receiving antenna rotates according to the azimuth angle.

Also, the signal information may include frequency, signal strength, and the like.

In addition, the providing step may generate control information including propagation environment data collected from the radar and predetermined parameters based on the preset table, and may transmit the generated control information to the radar.

In addition, the parameter may include an on / off state of a switch for transmitting or interrupting an antenna reception signal of the radar to a receiver, and a damping value of a variable attenuator for attenuating a signal intensity.

The parameter may further include an ON / OFF state of an antenna protective cover for closing the reception antenna so as to block reception of the radio wave signal.

As described above, the present invention collects propagation environment data for each angle using the antenna before operation of the radar, analyzes the collected propagation environment data, and generates control information for controlling the radar according to the analyzed result, It is possible to provide a radio wave environment.

In addition, since the present invention generates control information for controlling a radar as a result of analyzing an external propagation environment, it can protect not only a receiver internal circuit of a radar but also a receiver that is saturated The problem can be solved.

1 is a block diagram of an apparatus for controlling a radar according to an embodiment of the present invention.
2A and 2B are diagrams showing a configuration example of a receiver for receiving the radio wave signal shown in FIG.
FIG. 3 is a diagram showing another example of the configuration of a receiver for receiving the radio wave signal shown in FIG. 1. FIG.
4 is a diagram showing a detailed configuration of the control terminal shown in FIG.
5 is a view showing a screen displaying the propagation environment of the control terminal shown in FIG.
6 is a diagram showing an example of a receiver configuration in a radar shown in Fig.
7 is a diagram showing another example of the receiver configuration in the radar shown in Fig.
8 is a diagram illustrating a process of setting up a user according to an embodiment of the present invention.
9 is a diagram illustrating a method for controlling a radar in accordance with an embodiment of the present invention.
10 is a view showing a radar control table according to an embodiment of the present invention.

Hereinafter, a system and method for controlling a radar system in consideration of a propagation environment according to an embodiment of the present invention will be described with reference to the accompanying drawings. The present invention will be described in detail with reference to the portions necessary for understanding the operation and operation according to the present invention.

In describing the constituent elements of the present invention, the same reference numerals may be given to constituent elements having the same name, and the same reference numerals may be given thereto even though they are different from each other. However, even in such a case, it does not mean that the corresponding component has different functions according to the embodiment, or does not mean that the different components have the same function. It should be judged based on the description of each component in the example.

In this case, the present invention proposes a new method of collecting propagation environment data for each angle using an antenna before operation of the radar, analyzing the collected propagation environment data, and generating control information for controlling the radar according to the analyzed result .

1 is a block diagram of an apparatus for controlling a radar according to an embodiment of the present invention.

1, an apparatus for analyzing a radio wave environment according to an embodiment of the present invention includes a transmitting antenna 110, a transmitter 120, a receiving antenna 130, an antenna driving unit 140, a sensor unit 150, An antenna controller 160, a receiver 170, a radar 100 including a signal processor 180, a signal analyzer 200, and a control terminal 300.

The transmitting antenna 110 can transmit the radio wave signal generated by the transmitter 120 to the outside.

The receiving antenna 130 can receive a radio wave signal flowing from the outside. The receiving antenna 130 may be rotated 360 degrees by an azimuth angle, and may receive a radio wave signal flowing from the outside at each elevation angle while changing the elevation angle at a predetermined azimuth angle.

At this time, the reception antenna 130 may include a support for supporting the antenna, a protection cover for closing the incoming radio wave signal or opening the reception of the radio wave signal.

The receiving antenna 130 may be used for radar and for analyzing the propagation environment. However, the present invention is not limited thereto, and an antenna separate from the radar may be used if necessary.

The antenna driving unit 140 may drive the receiving antenna 110 to rotate at an azimuth angle or a high angle.

The sensor unit 150 can sense angle information such as an azimuth angle and an elevation angle according to the rotation of the receiving antenna 130.

The antenna controller 160 can control the receiving antenna 130 to be operated manually or automatically.

The signal processor 170 may collect signal information such as signal intensity and frequency calculated from the signal analyzer 200 and may collect angle information such as an azimuth angle and an elevation angle sensed by the sensor unit 150.

The signal processor 170 can process and store the signal information and angle information thus provided.

The signal analyzer 200 analyzes the received radio wave signal by receiving the radio wave signal received from the reception antenna 130, and can calculate signal information such as signal strength, size, and frequency as a result of analyzing the received radio wave signal.

At this time, the signal analyzer 200 calculates the signal information by the azimuth angle and the high angle of the receiving antenna 130. Such a signal analyzer may be, for example, a spectrum analyzer.

The control terminal 300 receives propagation environment data including signal information such as signal strength and frequency collected from the in-radar signal processor 170, angle information such as azimuth angle and elevation angle, It can be displayed on the screen so that it is possible.

The control terminal 300 is an electronic device configured to include a screen capable of displaying various information, for example, a mobile phone, a tablet, a notebook, and a desktop PC.

The control terminal 300 may generate control information for controlling the radar device based on the provided propagation environment data and transmit the generated control information to the antenna controller in the radar system.

2A and 2B are diagrams showing an example of the configuration of an antenna for receiving the radio wave signal shown in FIG.

2A and 2B, an antenna for receiving a radio wave signal according to the present invention includes an antenna driver 130 including a reception antenna 130, a support 131, a high angle rotation driver 141, and an azimuth rotation driver 142 140).

At this time, the azimuth angle can be rotated 360 degrees, and the elevation angle can be rotated by a predetermined angle.

For example, a horn antenna is used as the reception antenna 130, and different antennas may be used depending on the low frequency band (~HHF) to the high frequency band (L band, S band, C band, X band, Ka band). The receiving antenna 110 may be user-replaceable if necessary.

Of course, the configuration of such an antenna is described as an embodiment of the present invention, but the present invention is not limited to this, and various types of antennas may be used according to the purpose or need.

3 is a view showing another configuration example of an antenna for receiving the radio wave signal shown in FIG.

3, an antenna for receiving a radio wave signal according to the present invention includes an antenna 130, a support 131, an antenna driver 140, an antenna protection cover 132, and a protection cover driver 133 have.

The antenna protection cover 132 can protect the radar receiver from attacks due to strong radio waves by covering the reception antenna 130 during a radio wave attack caused by a strong radio wave signal such as an electromagnetic pulse (EMP) attack.

Here, the receiving antenna 130 may be an antenna of a radar receiver. That is, the antenna protection cover 132 is used for protecting the internal circuit of the radar receiver.

4 is a diagram showing a detailed configuration of the control terminal shown in FIG.

4, the control terminal 300 according to an exemplary embodiment of the present invention includes a communication unit 310, an input unit 320, a control unit 330, a display unit 340, a storage unit 350, and the like .

The communication unit 310 can transmit and receive various information in cooperation with an antenna controller, a signal processor, and the like. For example, the communication unit 310 receives propagation environment data including signal information such as signal strength and frequency, angle information such as azimuth angle and elevation angle from the signal processor, and generates control information for controlling the radar based on the propagation environment data Can be transmitted.

The input unit 320 can receive information according to a menu or key operation from a user.

The controller 330 can control the display of the radio wave environment data including angle information such as signal information such as the received signal strength and frequency, azimuth angle, and elevation angle.

The control unit 330 controls the radar environment based on the propagation environment data including angle information such as signal intensity, frequency, etc., angular information such as azimuth angle and elevation angle, and a table (hereinafter referred to as a radar control table) Can be generated.

The display unit 340 can display signal information such as signal intensity and frequency on the screen for each azimuth and elevation angle.

The storage unit 350 may store propagation environment data such as azimuth angle, elevation angle, signal strength, and frequency, control information for controlling the radar, and a radar control table.

5 is a view showing a screen displaying the propagation environment of the control terminal shown in FIG.

As shown in FIG. 5, the control terminal according to an exemplary embodiment of the present invention can display the propagation environment data including signal strength, frequency, azimuth angle, elevation angle, and the like in various forms on the screen.

For example, as shown in the table on the left, signal intensity for each angle is displayed in a circular shape based on the input angle, frequency, and signal intensity, and the propagation environment data is visually displayed.

6 is a diagram showing an example of a receiver configuration in a radar shown in Fig.

6, a radar receiver 170 according to an embodiment of the present invention includes a directional coupler 171, a switch 172, a limiter 173, a variable attenuator 174, a Low Noise Amplifier (LNA) A first LO generator 175, a first LO generator 176, a first mixer 177, a first filter 178, a first amplifier 179, a second LO generator 180, a second mixer 181, A second filter 182, and a second amplifier 183.

The directional coupler 171 may transmit the radio wave signal received from the receiving antenna 130 to an internal circuit or may be transmitted to an external signal analyzer for analyzing the radio wave environment.

The switch 172 can pass or block the radio wave signal output from the directional coupler 171. [ For example, the switch 172 may be turned on (short-circuited) according to a control signal from the signal analyzer to pass the radio wave signal or turn off (block) the radio wave signal.

The limiter 173 can limit the maximum level of the radio wave signal output from the switch 172 to a predetermined level.

The variable attenuator 174 can attenuate the intensity of the radio wave signal output from the limiter 173 by a predetermined attenuation amount. For example, the variable attenuator 174 may attenuate the intensity of the propagation signal by a predetermined attenuation amount according to a control signal from the signal analyzer.

The LNA 175 can primarily amplify the radio wave signal output from the variable attenuator 174.

The first LO generator 176 may generate a first LO signal having a predetermined frequency.

The first mixer 177 can output a first intermediate frequency (IF) signal as a result of primary mixing and primary mixing of the first amplified signal and the first LO signal from the LNA 175.

The first filter 178 may first filter the first IF signal output from the first mixer 177. Here, the first filter 178 may be, for example, a band pass filter (BPF).

The first amplifier 179 may secondarily amplify the filtered first IF signal from the first filter 178.

The first LO generator 180 may generate a second LO signal having a predetermined frequency.

The second mixer 181 can generate the second IF signal by mixing the second IF signal and the second LO signal from the first amplifier 179 by the second mixing and performing the second mixing.

The second filter 182 may perform second-order filtering on the second IF signal output from the second mixer 181. Here, the second filter 182 may be, for example, a band pass filter BPF (Band Pass Filter).

The second amplifier 183 may thirdly amplify the filtered second IF signal from the second filter 182 and deliver the second amplified IF signal to the signal processor.

7 is a diagram showing another example of the receiver configuration in the radar shown in Fig.

7, a radar receiver 170 according to an embodiment of the present invention includes a switch 172, a limiter 173, a variable attenuator 174, an LNA (Low Noise Amplifier) 175, 1 LO generator 176, a first mixer 177, a first filter 178, a first amplifier 179, a second LO generator 180, a second mixer 181, a second filter 182 ), A second amplifier 183, and a directional coupler 184.

The configuration of the radar receiver according to another embodiment of the present invention configured as described above is the same as that of the radar receiver shown in Fig. 6, but since the location of the directional coupler is different, a description of functions and roles of components constituting the radar receiver It is omitted.

8 is a diagram illustrating a process of setting up a user according to an embodiment of the present invention.

As shown in FIG. 8, the control terminal according to an embodiment of the present invention can set an antenna for radio wave environment analysis and set a signal reference value according to a user operation.

Here, the antenna may be a radar antenna or a separate analytical antenna.

The signal reference value may include parameters such as a threat frequency, a signal strength, and the like. For example, the threat frequency is set to 8000 to 8500 MHz, the signal strength is set to a first signal strength in the range of -35 dBm to -1 dBm, a second signal strength in the range of 0 dBm to 29 dBm, and a third signal strength of 30 dBm or more.

The reference values of the frequency used and the signal strength range may be variable depending on the requirements of the system to be used, and the above-mentioned items are described by way of example, but not always limited thereto.

Next, the control terminal collects angle information on the azimuth angle and elevation angle of the antenna, and collects signal information such as the frequency and signal intensity of the radio wave signal received through the antenna.

Next, the control terminal can confirm that the received radio wave signal is a threat frequency based on the signal reference value, the angle information, and the signal information, and that the signal strength is 1 or more.

At this time, if the received radio signal is not a threat frequency or there is no signal strength, the control terminal can process and store the received angle information and signal information, and output it on the screen.

Next, the control terminal can confirm whether the received radio wave signal is a threat frequency and a signal strength of 1 or more, and a signal strength of 2 or more.

At this time, if the received radio wave signal is not equal to or higher than the signal strength 2, the control terminal can process the received angle information and signal information into signal intensity 1, and store the signal intensity on the screen.

Next, if the received radio wave signal has a signal intensity of 2 or more, the control terminal can confirm whether the signal strength is 3 or not.

At this time, if the received radio wave signal is not the signal intensity 3, the control terminal can process the received angle information and signal information into the signal intensity 2, and store it on the screen.

On the other hand, if the received radio wave signal has a signal intensity of 3 or more, the control terminal can process the received angle information and signal information into a signal intensity of 3 and store it on the screen.

Next, the control terminal can receive angle information required for precise analysis from the user.

Next, the control terminal can drive the antenna according to the received angle information. On the other hand, if the control terminal does not receive the angle information from the user, the control terminal ends the process.

FIG. 9 illustrates a method for controlling a radar according to an exemplary embodiment of the present invention, and FIGS. 10A and 10B illustrate a radar control table according to an exemplary embodiment of the present invention.

As shown in FIG. 9, the control terminal according to an embodiment of the present invention can set an antenna for a radio wave environment analysis and set a signal reference value according to a user operation.

Next, the control terminal collects angle information on the azimuth angle and elevation angle of the antenna, and collects signal information such as the frequency and signal intensity of the radio wave signal received through the antenna.

Next, the control terminal can confirm that the received radio wave signal is a threat frequency based on the signal reference value, the angle information, and the signal information, and that the signal strength is 1 or more.

At this time, if the received radio signal is not a threat frequency or there is no signal strength, the control terminal can process and store the received angle information and signal information, and output it on the screen.

Then, the control terminal generates control information for controlling the radar based on the received angle information, signal information and the radar control table, and transmits the generated control information to the radar.

For example, the control information may include the attenuation value of the variable attenuator corresponding to code 1 in the radar control table, the switch state command, and the parameter of the values for controlling the antenna protection cover. Referring to FIG. 10A, the attenuation value may be 0 dB, the switch ON (short circuit), and the antenna protection cover OFF (open).

Next, the control terminal can confirm whether the received radio wave signal is the threat frequency, the signal strength is 1 or more, and the signal strength is 2 or more.

At this time, if the received radio wave signal is not equal to or higher than the signal strength 2, the control terminal can process the received angle information and signal information into signal intensity 1, and store the signal intensity on the screen.

Then, the control terminal generates control information for controlling the radar based on the received angle information, signal information and the radar control table, and transmits the generated control information to the radar.

For example, the control information may include attenuation values of variable attenuators corresponding to codes 2 to 36 in the radar control table, switch state commands, and values for controlling the antenna protection cover. Referring to FIG. 10A, the attenuation value may be 1 to 35 dB, the switch ON (short circuit), and the antenna protection cover OFF (open).

Next, the control terminal can confirm whether the received radio wave signal has a signal strength of 2 or more and a signal strength of 3 or not.

At this time, if the received radio wave signal is not the signal intensity 3, the control terminal can process the received angle information and signal information into the signal intensity 2, and store it on the screen.

Then, the control terminal generates control information for controlling the radar based on the received angle information, signal information and the radar control table, and transmits the generated control information to the radar.

For example, the control information may include attenuation values of variable attenuators corresponding to codes 37 to 66 in the radar control table, switch state commands, and values for controlling the antenna protection cover.

At this time, the control terminal can generate different control information according to the signal strength. That is, when the signal strength is 20 dBm or more, the control terminal generates control information including the attenuation value of the variable attenuator corresponding to codes 37 to 56 in the radar control table, the switch state command, and the values for controlling the antenna protection cover, If the intensity is less than 20 dBm, control information including attenuation values of variable attenuators corresponding to codes 57 to 66 in the control table, switch state commands, and values for controlling the antenna protection cover can be generated.

Referring to FIG. 10B, when the signal strength is 20 dBm or more, the control information includes the attenuation value 36 to 66 dB corresponding to codes 37 to 56 in the radar control table, the switch ON (short circuit), the antenna protection cover OFF When the intensity is less than 20dBm, the control information includes a damping value of 36 to 66 dB corresponding to codes 57 to 66 in the radar control table, a switch off (blocking), and an antenna protection cover OFF (open).

On the other hand, if the received radio wave signal has a signal intensity of 3 or more, the control terminal can process the received angle information and signal information into a signal intensity of 3 and store it on the screen.

Then, the control terminal generates control information for controlling the radar based on the received angle information, signal information and the radar control table, and transmits the generated control information to the radar.

For example, the control information may include attenuation values of a variable attenuator corresponding to codes 67 to 75 in the radar control table, a switch status command, and values for controlling the antenna protection cover. Referring to FIG. 10B, the attenuation value may be 66 to 74 dB, the switch OFF (blocking), and the antenna protection cover ON (short circuit).

It is to be understood that the present invention is not limited to these embodiments, and all of the elements constituting the embodiments of the present invention described above may be combined or operated in one operation. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them. In addition, although all of the components may be implemented as one independent hardware, some or all of the components may be selectively combined to perform a part or all of the functions in one or a plurality of hardware. As shown in FIG. In addition, such a computer program may be stored in a computer-readable medium such as a USB memory, a CD disk, a flash memory, etc., and read and executed by a computer to implement embodiments of the present invention. As the storage medium of the computer program, a magnetic recording medium, an optical recording medium, a carrier wave medium, or the like may be included.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: Radar
110: antenna
120: Antenna driver
130:
140: Antenna controller
150: Transmitter
160: Receiver
170: Signal processor
200: Signal Analyzer
300: control terminal

Claims (12)

A radar that receives a radio wave signal through a reception antenna, and collects radio wave environment data including signal information about the received radio wave signal and angle information about the reception antenna;
A signal analyzer for extracting signal information from the received radio wave signal; And
A control terminal for generating control information for controlling the radar based on the propagation environment data and a preset table and providing the generated control information to a radar;
The radar system comprising: The method according to claim 1,
The signal analyzer,
Wherein the receiving antenna extracts signal information on a radio wave signal received at each azimuth angle from the azimuth angle while rotating the azimuth angle according to the azimuth angle. 3. The method of claim 2,
Wherein the signal information comprises frequency, signal strength. The method according to claim 1,
The control terminal,
Generating control information including propagation environment data collected from the radar and parameters set in advance based on the preset table,
And transmits the generated control information to the radar. 5. The method of claim 4,
Wherein the parameter comprises:
A switch for turning on / off a switch for transmitting or interrupting a signal in the receiver of the radar, and a attenuation value of a variable attenuator for attenuating the intensity of the signal. 6. The method of claim 5,
Wherein the parameter comprises:
And turning on / off the antenna protection cover to close the reception antenna so as to block reception of the radio wave signal. The method comprising: receiving a radio wave signal through a receiving antenna, and collecting radio wave environment data including signal information about the received radio wave signal and angle information about the receiving antenna;
The signal analyzer extracting signal information from the received radio wave signal; And
The control terminal generates control information for controlling the radar based on the propagation environment data and a preset table, and provides the generated control information to the radar;
Wherein the radar system comprises: 8. The method of claim 7,
Wherein the extracting comprises:
Wherein the receiving antenna extracts signal information of a radio wave signal received at each azimuth angle at a corresponding azimuth angle while rotating the azimuth angle according to the azimuth angle. 9. The method of claim 8,
Wherein the signal information comprises frequency, signal strength. 8. The method of claim 7,
Wherein the providing step comprises:
Generating control information including propagation environment data collected from the radar and parameters set in advance based on the preset table,
And transmit the generated control information to the radar. 11. The method of claim 10,
Wherein the parameter comprises:
Whether a switch for turning on or off a signal in the receiver of the radar is turned on or off, and a attenuation value of the variable attenuator for attenuating the intensity of the signal. 12. The method of claim 11,
Wherein the parameter comprises:
And turning on / off the antenna protection cover to close the reception antenna so as to block reception of the radio wave signal.

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