KR20160050121A - 다중 샘플링 클럭 주파수를 이용한 레이더 표적 시뮬레이터 - Google Patents
다중 샘플링 클럭 주파수를 이용한 레이더 표적 시뮬레이터 Download PDFInfo
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- KR20160050121A KR20160050121A KR1020140147066A KR20140147066A KR20160050121A KR 20160050121 A KR20160050121 A KR 20160050121A KR 1020140147066 A KR1020140147066 A KR 1020140147066A KR 20140147066 A KR20140147066 A KR 20140147066A KR 20160050121 A KR20160050121 A KR 20160050121A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/282—Transmitters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/32—Shaping echo pulse signals; Deriving non-pulse signals from echo pulse signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/38—Jamming means, e.g. producing false echoes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
도 2는 표적 정보의 예이며, 도 3은 이론적 표적의 지연시간 계산 결과값이다.
도 4는 종래의 단일 샘플링 클럭 이용 방식에 의한 지연시간 시뮬레이션 결과값이며, 도 5는 종래의 단일 샘플링 클럭 방식의 표적거리 시뮬레이터를 이용한 지연시간을 모사한 도면이다.
도 6은 종래 단일 샘플링 클럭 방식의 표적거리 시뮬레이터 이용시 발생한 지연시간의 오차 도면이다.
도 7은 본 발명의 일실시예에 따른 다중 샘플링 클럭 주파수를 이용한 레이더 표적 시뮬레이터의 블록도이며, 도 8은 FPGA를 이용한 표적거리 발생용 메모리 제어기 상세 블록도이며, 도 9는 본 발명의 고해상도 표적거리 시뮬레이터 형상이다.
도 10은 기본적 표적의 거리 제어 방식이며, 도 11은 본 발명의 표적거리 시뮬레이터 이동거리 제어 방식이다.
도 12는 종래 및 본 발명 방식의 표적거리 시뮬레이터를 이용한 지연시간 모사를 비교한 도면이며, 도 13은 종래 및 본 발명 방식의 표적거리 시뮬레이터를 이용한 지연시간 오차를 비교한 도면이다.
200 : ADC
300 : 제1DDS
400 : 제2DDS
500 : DAC
Claims (3)
- 샘플링 클럭 주파수를 이용한 레이더 표적 시뮬레이터에 있어서,
레이더 신호가 입력되면 500MHz의 샘플링 클럭으로 아날로드 신호를 디지털 데이터로 변환하여 메모리에 저장시키기 위한 ADC(200)와;
지연 시간을 계산하여 시간 지연을 수행하기 위한 Range Delay 컨트롤블록(110)과,
메모리의 데이터를 DAC로 제공하기 위한 메모리 컨트롤블록(120)과,
상기 ADC에서 제공된 디지털 데이터를 저장하기 위한 메모리(130)와,
제1DDS와 제2DDS에 주파수 제어데이터를 제공하기 위한 DDS 컨트롤블록(140)을 포함하여 구성되는 에프피지에이(FPGA, 100)와;
상기 DDS 컨트롤블록으로부터 주파수 제어데이터를 제공받아 서로 다른 샘플링 클럭을 발생시켜 ADC와 DAC에 각각 공급하기 위한 제1DDS(300) 및 제2DDS(400)와;
상기 메모리의 디지털 데이터를 아날로그 신호로 변환하기 위한 DAC(500);을 포함하여 구성됨으로써, 표적의 거리에 따른 지연시간이 적용된 표적 신호를 생성하는 것을 특징으로 하는 다중 샘플링 클럭 주파수를 이용한 레이더 표적 시뮬레이터.
- 제 1항에 있어서,
상기 에프피지에이(FPGA, 100)는,
파형저장 메모리, 거리지연회로를 포함하고 있으며, 파형저장 메모리를 제어하기 위해서 메모리 쓰기용 Address Counter와 읽기용 Address Counter로 이원화하여 메모리에 저장된 시간과 읽어내는 시간의 차이를 이용하여 표적의 거리지연 시간을 적용하는 것을 특징으로 하는 다중 샘플링 클럭 주파수를 이용한 레이더 표적 시뮬레이터.
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106291500A (zh) * | 2016-08-23 | 2017-01-04 | 西安电子科技大学 | 基于fpga的片上系统及其目标检测方法 |
CN107346019A (zh) * | 2017-07-21 | 2017-11-14 | 成都玖锦科技有限公司 | 一种动态定位信号高精度模拟方法 |
CN107390165A (zh) * | 2017-07-21 | 2017-11-24 | 成都玖锦科技有限公司 | 一种多功能动态定位信号高精度模拟方法 |
CN108919210A (zh) * | 2018-07-12 | 2018-11-30 | 中国船舶重工集团公司第七二四研究所 | 一种一维相扫三坐标雷达中频目标模拟器 |
AT520577A1 (de) * | 2017-10-06 | 2019-05-15 | Avl List Gmbh | Radarzielemulator, Prüfstand und Verfahren zur Signalverarbeitung |
CN110399008A (zh) * | 2019-07-16 | 2019-11-01 | 武汉鑫诚欣科技有限公司 | 超短波及微波频段无线信号接收的频率合成器及方法 |
CN110927683A (zh) * | 2019-10-17 | 2020-03-27 | 南京国立电子科技有限公司 | 干扰信号生成装置及其方法 |
WO2020157039A3 (de) * | 2019-01-28 | 2020-09-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung zum verarbeiten eines signals eines ortungssystems sowie verfahren zum simulieren und zum orten eines objekts |
KR102174058B1 (ko) * | 2019-10-01 | 2020-11-04 | 엘아이지넥스원 주식회사 | 무인 비행체 탑재형 합성 개구 레이더용 표적 모의 장치 |
KR20220029111A (ko) * | 2020-09-01 | 2022-03-08 | 엘아이지넥스원 주식회사 | Sar 재밍 시스템의 허위 표적 생성 방법 |
KR20220029112A (ko) * | 2020-09-01 | 2022-03-08 | 엘아이지넥스원 주식회사 | Sar 재밍 시스템의 배치 방법 |
KR20220029110A (ko) * | 2020-09-01 | 2022-03-08 | 엘아이지넥스원 주식회사 | 디지털 n 채널 fir 필터를 이용한 sar 재밍 시스템 |
US11300659B2 (en) | 2018-10-09 | 2022-04-12 | Rohde & Schwarz Gmbh & Co. Kg | Radar target simulator and method for radar target simulation |
US11313947B2 (en) | 2016-12-29 | 2022-04-26 | Avl List Gmbh | Method and system for simulation-assisted determination of echo points, and emulation method and emulation apparatus |
US11415668B2 (en) | 2016-12-29 | 2022-08-16 | Avl List Gmbh | Switching device for a radar target emulator and radar target emulator having said type of switching device |
US11561298B2 (en) | 2017-10-06 | 2023-01-24 | Avl List Gmbh | Device and method for converting a radar signal, and test bench |
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-
2014
- 2014-10-28 KR KR1020140147066A patent/KR20160050121A/ko not_active Ceased
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US11313947B2 (en) | 2016-12-29 | 2022-04-26 | Avl List Gmbh | Method and system for simulation-assisted determination of echo points, and emulation method and emulation apparatus |
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AT520577A1 (de) * | 2017-10-06 | 2019-05-15 | Avl List Gmbh | Radarzielemulator, Prüfstand und Verfahren zur Signalverarbeitung |
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KR102174058B1 (ko) * | 2019-10-01 | 2020-11-04 | 엘아이지넥스원 주식회사 | 무인 비행체 탑재형 합성 개구 레이더용 표적 모의 장치 |
CN110927683A (zh) * | 2019-10-17 | 2020-03-27 | 南京国立电子科技有限公司 | 干扰信号生成装置及其方法 |
KR20220029111A (ko) * | 2020-09-01 | 2022-03-08 | 엘아이지넥스원 주식회사 | Sar 재밍 시스템의 허위 표적 생성 방법 |
KR20220029112A (ko) * | 2020-09-01 | 2022-03-08 | 엘아이지넥스원 주식회사 | Sar 재밍 시스템의 배치 방법 |
KR20220029110A (ko) * | 2020-09-01 | 2022-03-08 | 엘아이지넥스원 주식회사 | 디지털 n 채널 fir 필터를 이용한 sar 재밍 시스템 |
KR102531068B1 (ko) * | 2023-01-05 | 2023-05-10 | 국방과학연구소 | 합성개구면레이다를 모의하는 시스템 및 방법 |
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