KR102022284B1 - Electronic target generating apparatus and the operation method - Google Patents

Abstract

The present invention provides an electronic target generating device, which comprises: a transmission and reception module receiving a search radar signal; an input module inputting an electronic target generation value for generating an electronic target; and a control module applying electronic target data generated by signal information extracted from the search data signal and the electronic target generation value to the search radar signal to generate an electronic target signal when receiving the search radar signal, and controlling the transmission and reception module so that the electronic target signal is to be transmitted.

Description

Electronic target generating apparatus and its operation method

The present invention relates to an electronic target generating apparatus and an operating method thereof, and more particularly, to an electronic target generating apparatus and an operating method thereof, which are easy to generate a simulated electronic target based on a search radar signal transmitted from a onboard radar of a training ship. will be.

In general, any training ship encountered operational and electronic warfare training in the presence of other support forces at sea. In addition, response training to support forces such as missiles could not be trained until they actually met on the battlefield.

There are a number of problems and limitations in testing with various support forces in order to conduct electronic warfare drills.

In other words, in order to encounter and test support forces on the actual sea, the testable schedule must be coordinated and moved to the actual training site.

In addition, training operation such as moving speed and distance is limited according to the status of supporting forces. Support forces, such as aircraft and missiles, which are fast, are unable to engage in training and cannot conduct response training.

Recently, for the electronic warfare training of a training ship, research is being conducted to generate a target signal corresponding to supporting forces such as a real target, so that the detection of the target is the same as the actual target and the corresponding training is conducted. .

Korean Unexamined Patent No. 10-2018-0094286 (Public)

Disclosure of Invention An object of the present invention is to provide an electronic target generating apparatus and an operation method thereof, which are easy to generate a simulated electronic target based on a search radar signal transmitted from a onboard radar of a training ship.

In addition, another object of the present invention is to provide an electronic target generating apparatus and an operation method thereof capable of supporting efficient and practical training for electronic training of a training box.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention, which are not mentioned above, can be understood by the following description, and more clearly by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

In accordance with another aspect of the present invention, an electronic target generation device includes a transmission / reception module for receiving a search radar signal, an input module for inputting an electronic target generation value for generating an electronic target, and signal information extracted from the search data signal when the search radar signal is received. And a control module for generating an electronic target signal by applying the electronic target data generated by the electronic target generation value to the search radar signal, and controlling the transmission / reception module to transmit the electronic target signal.

In addition, the electronic target generation device according to the present invention may further include a display module for displaying an electronic target generation screen for inputting the electronic target generation value.

The control module may include: an information extractor configured to analyze the search radar signal and extract the signal information including frequency, period, and width information of the search radar signal; a generation number value of the signal information and the electronic target; A data generator for generating the electronic target data based on the electronic target generation value including a value and a moving speed value, and identifying the search radar transmitting the search radar signal based on the signal information, and detecting the electronic target data. The control unit may control the transmission / reception module to transmit the electronic target signal applied to the search radar signal to the search radar.

The movement path value may include a start position, an end position, and a movement direction of the electronic target.

The data generation unit calculates a time delay value based on the movement path value and according to the frequency and the movement speed value included in the time delay data table corresponding to the generated number value and the signal information according to the movement speed value. The electronic target data including the Doppler frequency data table corresponding to the generation number may be generated.

The control unit calculates a movement time of the electronic target based on the time delay data table, determines a movement direction of the electronic target based on the Doppler frequency table, and moves the movement time of the electronic target to the search radar signal. And the electronic target signal to which the moving direction is applied.

The controller may transmit the electronic target signal to the search radar for each period of the search radar signal included in the signal information.

In accordance with another aspect of the present invention, there is provided a method of operating an electronic target generating device, the method comprising: receiving a search radar signal transmitted from a search radar, analyzing the search radar signal to obtain signal information including frequency, period, and width information of the search radar signal; Extracting, generating electronic target data according to an electronic target generation value including a generation number value, a movement path value and a movement speed value for generating the electronic target detected by the search radar, and based on the signal information And identifying the search radar that has transmitted the search radar signal, and transmitting the electronic target signal to the search radar applying the electronic target data to the search radar signal.

The movement path value may include a start position, an end position, and a movement direction of the electronic target.

The generating of the electronic target data may include calculating a time delay value based on the movement path value and a frequency included in the time delay data table and the signal information corresponding to the generated number value according to the movement speed value. The electronic target data including the Doppler frequency data table corresponding to the generated number value may be generated according to the moving speed value.

The generating of the electronic target data may include calculating a moving time of the electronic target based on the time delay data table, determining a moving direction of the electronic target based on the Doppler frequency table, and applying the search radar signal to the search radar signal. The electronic target signal may be generated by applying the moving time and the moving direction of the electronic target.

In the transmitting of the electronic target signal to the search radar, the electronic target signal may be transmitted to the search radar every period of the search radar signal.

The electronic target generating apparatus and its operation method according to the present invention, by transmitting the electronic target signal corresponding to the other support forces so that the training ship can meet the other support forces in the same way as the actual training to perform the electronic warfare training, There is an advantage that can increase the training efficiency by not being time and space constraints according to the actual training.

In addition, the electronic target generating apparatus and its operation method according to the present invention, there is an advantage that can be saved by generating the electronic target signal and transmit it to the training box.

In addition to the effects described above, the specific effects of the present invention will be described together with the following description of specifics for carrying out the invention.

1 is a conceptual diagram of a simulation electronic warfare training including the electronic target generation device according to the present invention.
2 is a control block diagram showing a control configuration of the electronic target generation device according to the present invention.
3 is a flowchart briefly illustrating a method of operating an electronic target generating device according to the present invention.
FIG. 4 is a flowchart showing the operation (S230) of FIG. 3 in detail.
FIG. 5 is a flowchart illustrating the operation S320 of FIG. 4 in detail.
FIG. 6 is a flowchart illustrating the operation S330 of FIG. 4 in detail.

The terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best describe their invention. Based on the principle that it can, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. In addition, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all of the technical spirit of the present invention, it is possible to replace them at the time of the present application It should be understood that there may be various equivalents and variations in the range.

Hereinafter, an electronic target generation device and an operation method thereof according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual diagram of a simulation electronic warfare training including the electronic target generation device according to the present invention.

Referring to FIG. 1, the simulation electronic warfare training may include a training box 1 and an electronic target generation device 100.

Here, the training vessel 1 may be equipped with a search radar that transmits a search radar signal s1 to detect a target.

The search radar may transmit a search radar signal s1 having a different frequency, period, and width than the other trains to identify the train 1, but is not limited thereto.

The electronic target generation device 100 may receive the search radar signal s1 transmitted from the training box 1.

Subsequently, upon receiving the search radar signal s1, the electronic target generation device 100 may convert the search radar signal s1 into a digital signal and store the converted digital signal.

In addition, the electronic target generation device 100 analyzes the search radar signal s1 to identify the search radar mounted on the training box 1 and includes frequency, period, and width information of the search radar signal s1. Signal information can be extracted.

The electronic target generation device 100 may generate the electronic target data based on the input electronic target generation value for generating the electronic target corresponding to the signal information and the supporting forces.

The electronic target generation value and the electronic target data will be described in detail with reference to FIG. 2.

Subsequently, the electronic target generation device 100 transmits the electronic target data to the search radar mounted in the training target 1 by applying the electronic target signal s2 applied for each period of the search radar signal s1, and the electronic target. Can be detected.

That is, briefly summarized for the simulation electronic warfare training shown in FIG.

In general, in order to be detected as an actual target, the electronic target signal s2 must have the same signal characteristics as the search radar signal s1 as the search radar signal s1 of the training box 1 is reflected back to the actual target.

Thus, the electronic target generation device 100 analyzes the signal characteristics of the search radar signal s1 transmitted from the mounted search radar of the training box 1 to generate the electronic target and analyzes the mounted search radar signal s1. It identifies and stores the search radar signal s1 as real time digital data every pulse.

Thereafter, the electronic target generation device 1 generates an electronic target signal s2 by restoring an analog signal by adding the time delay data and the Doppler frequency data to the digital data through the setting for generating the electronic target.

2 is a control block diagram showing a control configuration of the electronic target generation device according to the present invention.

Referring to FIG. 2, the electronic target generation device 100 may include a transmission / reception module 110, a display module 120, an input module 130, and a control module 140.

The transmission / reception module 110 may receive the search radar signal s1 transmitted from the search radar mounted in the training box 1 described with reference to FIG. 1.

In addition, the transmission and reception module 110 may transmit the electronic target signal s2 to the search radar.

The display module 120 may display an electronic target generation screen for input of an electronic target generation value (input) for generating an electronic target under the control of the control module 140.

In addition, the display module 120 may display information on whether the electronic target signal s2 is transmitted, but is not limited thereto.

The input module 130 may input an electronic target generation value (input) by a user or an operator through the electronic target generation screen displayed on the display module 120 to generate the electronic target.

The electronic target generation value may include a generation number value, a movement route value, and a movement speed value of the electronic target.

The generation number value of the electronic target is a value representing the number of the electronic targets detected by the search radar, and the movement path value includes a start position, an end position, and a movement direction of the electronic target. The electronic target may be a constant velocity of moving the movement path from the start position to the end position.

Here, the movement direction is the approach direction when the start position is larger than the end position, and the retreat direction when the start position is smaller than the end position.

That is, the electronic target generation value may set different positions and speeds of the plurality of electronic targets to be trained.

The input module 130 may output the electronic target generation value to the control module 140.

The control module 140 may include an information extractor 142, a data generator 144, and a controller 146.

The information extracting unit 142 may analyze the search radar signal s1 received by the transmission / reception module 110 to extract signal information sf including frequency, period, and width information of the search radar signal s1. have.

In addition, the information extracting unit 142 may identify the search radar mounted on the training box 1 by analyzing the search radar signal s1.

The data generator 144 may include a first data generator 144_1 and a second data generator 144_2.

That is, the first data generation unit 144_1 calculates a time delay value based on the movement path value included in the electronic target generation value and inputs the movement speed value included in the electronic target generation value. Accordingly, a time delay data table obtained by looking up a table of the time delay values corresponding to the generation number may be generated.

For example, when the number of generated electronic targets is N and the start position of the N electronic targets is larger than the end position, the first data generator 144_1 may generate a time delay data table as shown in Table 1 below. Can be generated.

Electronic target count (N) Travel time Time delay value One 0.0000 529 2 0.00010 528 ... ... ... N 10.0000 0

The second data generator 144_2 may generate a Doppler frequency data table corresponding to the generated number value according to the frequency and the moving speed value included in the signal information sf.

The Doppler frequency data table may indicate a Doppler frequency at which the search radar signal s1 is reflected by the electronic target in response to the generated number value.

For example, the second data generator 144_2 may generate a Doppler frequency data table as shown in Table 2 below.

Electronic target count (N) Travel time Doppler Frequency One 0.0000 0.0066667 2 0.00010 0.0066667 ... ... ... N 10.0000 0.0066667

The second data generator 144_2 may generate a Doppler frequency using the speed of light based on the frequency included in the signal information sf and the moving speed value.

[Table 1] and [Table 2] described above are examples for description, and the present invention is not limited thereto.

As a result, the data generator 144 may generate and output the electronic target data including the time delay data table and the Doppler frequency data table to the controller 146.

The controller 146 identifies the search radar that has transmitted the search radar signal s1 based on the signal information sf, and the electronic target signal s2 that has applied the electronic target data datat to the search radar signal s1 is The module 110 may be controlled at the time of transmission and transmission to the search radar.

That is, the control unit 146 calculates the movement time of the electronic target based on the time delay data table, determines the movement direction of the electronic target based on the Doppler frequency table, and the period of the search radar signal s1. The electronic target signal s2 may be generated by applying the movement time and the movement direction of the electronic target.

3 is a flowchart briefly illustrating a method of operating an electronic target generating device according to the present invention.

Referring to FIG. 3, the electronic target generation device 100 may receive the search radar signal s1 transmitted from the search radar mounted in the training box 1 (S210).

Thereafter, the electronic target generation device 100 may analyze the search radar signal s1 and extract signal information sf including frequency, period, and width information of the search radar signal s1 (S220).

The electronic target generation device 100 according to the electronic target generation value (input) including the generation number value, the movement path value and the movement speed value for generating the electronic target detected by the search radar based on the signal information sf. Electronic target data may be generated (S230).

The electronic target generating apparatus 100 stores the search radar signal s1 as digital data (S240), and the search radar signal s1 based on the time delay data table and the Doppler frequency data table included in the electronic target data (data). In operation S250, an electronic target signal s2 applied to every pulse of the pulse may be generated.

Thereafter, the electronic target generation device 100 may restore the electronic target signal s2 to an analog signal and transmit the analog signal to the search radar (S260).

That is, the electronic target generation device 100 identifies the search radar that transmitted the search radar signal s1 based on the signal information sf, and applies the electronic target data to the search radar signal s1. Signal s2 may transmit to the search radar.

Here, the electronic target generation device 100 calculates the movement time of the electronic target based on the time delay data table included in the electronic target data, and the Doppler frequency table included in the electronic target data. The electronic target signal s2 may be generated by applying the movement time and the movement direction of the electronic target for each period of the search radar signal s1 by determining the moving direction of the electronic target.

Here, the search radar signal s1 and the electronic target signal s2 may be analog signals, but are not limited thereto.

4 is a flow chart showing in detail the step S230 of FIG. 3, FIG. 5 is a flow chart showing the step S320 of FIG. 4 in detail, and FIG. 6 is a flow chart showing the step S330 of FIG. 4 in detail.

4 to 6, the electronic target generation apparatus 100 may receive an electronic target generation value (input) including a generation number value, a movement path value, and a movement speed value for generating the electronic target ( S310).

Thereafter, the electronic target generation device 100 calculates a time delay value based on the movement path value included in the electronic target generation value, and according to the movement speed value included in the electronic target generation value. In operation S320, a time delay data table obtained by looking up a table of the time delay values corresponding to the generated number value may be generated.

Operation S320 will be described with reference to FIG. 5.

First, the electronic target generation device 100 may determine whether the start position included in the movement path value is larger than the end position (S410).

If the start position is greater than the end position, the electronic target generation device 100 may calculate a time delay value at the start position (S420), and calculate a time delay value at the end position (S430).

Here, the time delay value shown in S320 can be calculated from the time delay value at the start position and the time delay value at the end position.

First, the electronic target generation device 100 applies twice the speed of the light returned by the search radar signal s1 reflected from the start position, and divides the resolution to time delay at the start position and time at the end position. The delay value can be calculated.

That is, the electronic target generation device 100 may calculate the time delay values at the start and end positions by dividing the resolution by a value obtained by multiplying the start and end positions by the speed of light twice.

After operation S430, the electronic target generation device 100 may calculate a time delay value in operation S320 (S440).

That is, the electronic target generation device 100 may calculate the time delay value by adding a constant value set from a value obtained by subtracting the time delay value at the start position from the time delay value at the start position.

The electronic target generation device 100 may generate a time delay data table by dividing the moving speed value by the distance per time delay value (S450).

After the step S410, if the end position is greater than the start position, the electronic target generation device 100 may calculate a time delay value at the start position (S460) and calculate a time delay value at the end position (S470). ).

Steps S460 and S470 are the same as steps S420 and S430, and thus detailed descriptions thereof will be omitted.

After operation S470, the electronic target generation device 100 may calculate a time delay value in operation S320 (S480).

That is, the electronic target generation device 100 may calculate the time delay value by adding a constant value set by subtracting the time delay value at the time position from the time delay value at the end position.

The electronic target generation device 100 may generate a time delay data table by dividing the moving speed value by the distance per time delay value (S490).

Referring back to FIG. 4, the electronic target generation device 100 may generate a Doppler frequency data table corresponding to the generated number value according to the frequency included in the signal information sf and the moving speed value (S330). ).

Operation S330 will be described with reference to FIG. 6.

First, if the start position included in the movement path value is greater than the end position, the electronic target generation device 100 may check the movement direction as approaching and determine the sign of the Doppler frequency as '+' (S510).

The electronic target generation device 100 may calculate the Doppler frequency (S520).

That is, the electronic target generation device 100 may calculate the Doppler frequency based on the frequency of the search radar signal s1, the moving speed value, and the speed of light.

For example, the Doppler frequency may be calculated by dividing the speed of light by multiplying the constant, frequency, and moving speed values, and the constant may be a preset value, without being limited thereto.

The electronic target generation device 100 may generate the Doppler frequency data table in which the Doppler frequency is applied by applying the sign of the Doppler frequency for each movement time (S530).

In addition, when the kind position included in the movement path value is larger than the start position, the electronic target generation device 100 may determine the sign of the Doppler frequency as '-' by checking the movement direction as an approach (S540).

The electronic target generation device 100 may calculate the Doppler frequency (S550), and generate the Doppler frequency data table in which the Doppler frequency is applied by applying the sign of the Doppler frequency for each moving time (S560).

Steps S550 and S560 are the same as steps S520 and S530 and thus description thereof is omitted.

Although all components constituting the embodiments of the present invention described above are described as being combined or operating in combination, the present invention is not necessarily limited to these embodiments. In other words, within the scope of the present invention, all of the components may be selectively operated in combination with one or more. In addition, although all of the components may be implemented in one independent hardware, each or some of the components of the components are selectively combined to perform some or all of the functions combined in one or a plurality of hardware It may be implemented as a computer program having a. In addition, such a computer program is stored in a computer readable medium such as a USB memory, a CD disk, a flash memory, and the like, and is read and executed by a computer, thereby implementing embodiments of the present invention. The recording medium of the computer program may include a magnetic recording medium, an optical recording medium and the like.

The above description is merely illustrative of the technical idea of the present invention, and various modifications, changes, and substitutions may be made by those skilled in the art without departing from the essential characteristics of the present invention. will be. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by the embodiments and the accompanying drawings. . The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

100: electronic target generation device 110: transmission and reception module
120: display module 130: input module
140: control module

Claims (12)

A transmission / reception module for receiving a search radar signal;
An input module for inputting an electronic target generation value for generating an electronic target; And
When the search radar signal is received, the electronic target signal is generated by applying the signal information extracted from the search radar signal and the electronic target data generated by the electronic target generation value to the search radar signal, and transmitting the electronic target signal. Including a control module for controlling the transmission and reception module,
The control module may further include a data generation unit configured to generate the electronic target data based on the signal information and the electronic target generation value including the generation number value, the movement path value, and the movement speed value of the electronic target,
The data generation unit calculates a time delay value based on a difference value between calculation values applying a speed and resolution of light to a start position and an end position of the electronic target based on the movement path value, and calculates the time delay value and the Generating a time delay data table corresponding to the generated number value in consideration of a moving speed value, and including a Doppler frequency data table corresponding to the generated number value according to a frequency included in the signal information and the moving speed value Generate electronic target data,
The control module calculates a movement time of the electronic target based on the time delay data table, determines a moving direction of the electronic target based on the Doppler frequency data table, and determines the movement direction of the electronic target to the search radar signal. And generating the electronic target signal by applying the moving time and the moving direction. The method of claim 1,
And a display module for displaying an electronic target generation screen for inputting the electronic target generation value. The method of claim 1,
The control module,
An information extractor configured to analyze the search radar signal and extract the signal information including frequency, period, and width information of the search radar signal; And
A control unit for identifying the search radar transmitting the search radar signal based on the signal information, and controlling the transmission / reception module to transmit the electronic target signal to the search radar applying the electronic target data to the search radar signal. Electronic target generation device. The method of claim 3, wherein
And the movement path value includes a start position, an end position, and a movement direction of the electronic target. delete delete The method of claim 3, wherein
The controller applies the electronic target signal to the search radar every period of the search radar signal included in the signal information, and transmits to the search radar. Receiving a search radar signal transmitted from the search radar;
Analyzing the search radar signal and extracting signal information including frequency, period, and width information of the search radar signal;
Generating electronic target data according to an electronic target generation value including a generation number value, a movement path value, and a movement speed value for generating the electronic target detected by the search radar; And
Identify the search radar that has transmitted the search radar signal based on the signal information, generate the electronic target signal by applying the electronic target data to the search radar signal, and transmit the generated electronic target signal to the search radar. Including the steps of:
The generating of the electronic target data may include calculating a time delay value based on a difference between calculation values of light speed and resolution applied to a start position and an end position of the electronic target based on the movement path value. A time delay data table corresponding to the generated number value is generated in consideration of the time delay value and the moving speed value, and the Doppler frequency data corresponding to the generated number value according to the frequency included in the signal information and the moving speed value Generate the electronic target data comprising a table,
In the transmitting of the electronic target signal to the search radar, the movement time of the electronic target is calculated based on the time delay data table, and the movement direction of the electronic target is determined based on the Doppler frequency data table. And operating the electronic target signal by applying the movement time and the direction of movement of the electronic target to the search radar signal. The method of claim 8,
The movement path value includes a start position, an end position, and a movement direction of the electronic target. delete delete The method of claim 8,
The step of transmitting the electronic target signal to the search radar,
And transmitting the electronic target signal to the search radar every period of the search radar signal.

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