KR101007389B1 - 이미지 생성 장치 및 방법 - Google Patents
이미지 생성 장치 및 방법 Download PDFInfo
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- KR101007389B1 KR101007389B1 KR1020090096318A KR20090096318A KR101007389B1 KR 101007389 B1 KR101007389 B1 KR 101007389B1 KR 1020090096318 A KR1020090096318 A KR 1020090096318A KR 20090096318 A KR20090096318 A KR 20090096318A KR 101007389 B1 KR101007389 B1 KR 101007389B1
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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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
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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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/141—Discrete Fourier transforms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0007—Image acquisition
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- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- General Physics & Mathematics (AREA)
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- Computer Networks & Wireless Communication (AREA)
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- Electromagnetism (AREA)
- Discrete Mathematics (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims (4)
- 송신기에서 타겟을 이미지로 생성하는 방법에 있어서,상기 송신기에 구비된 각 안테나에 할당된 광대역 주파수를 협대역 주파수들로 분할하고, 상기 분할된 협대역 주파수들 중에서 일부 협대역 주파수를 통해 전자기파 신호를 이미지화하기 위한 타겟으로 송신하는 과정과;상기 타겟으로부터 피드백된 각 협대역 주파수의 전자기파 신호들을 샘플링하는 과정과;상기 샘플링된 신호들에 압축 감지 기법을 적용하여 상기 분할된 협대역 주파수의 개수와 동일한 개수의 레인지 빈 값들을 생성하는 과정과;상기 생성된 레인지 빈 값들에 이산 퓨리에 변환 과정을 적용하는 과정과;상기 이산 퓨리에 변환이 적용된 값에 빔포밍을 수행하여 상기 타겟을 이미지화하는 과정을 포함하는 이미지 생성 방법.
- 삭제
- 송신기에 있어서,상기 송신기에 구비된 각 안테나에 할당된 광대역 주파수를 협대역 주파수들로 분할하고, 상기 분할된 협대역 주파수들 중에서 일부 협대역 주파수를 통해 전자기파 신호를 이미지화하기 위한 타겟으로 송신하고, 상기 타겟으로부터 피드백된 각 협대역 주파수의 전자기파 신호들을 샘플링하고, 상기 샘플링된 신호들에 압축 감지 기법을 적용하여 상기 분할된 협대역 주파수의 개수와 동일한 개수의 레인지 빈 값들을 생성하고, 상기 생성된 레인지 빈 값들에 이산 퓨리에 변환 과정을 적용하고, 상기 이산 퓨리에 변환이 적용된 값에 빔포밍을 수행하여 상기 타겟을 이미지화하는 이미지 생성 장치를 포함하는 송신기.
- 삭제
Priority Applications (1)
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KR1020090096318A KR101007389B1 (ko) | 2009-10-09 | 2009-10-09 | 이미지 생성 장치 및 방법 |
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KR1020090096318A KR101007389B1 (ko) | 2009-10-09 | 2009-10-09 | 이미지 생성 장치 및 방법 |
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KR101007389B1 true KR101007389B1 (ko) | 2011-01-13 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102890275A (zh) * | 2011-07-22 | 2013-01-23 | 中国科学院电子学研究所 | 一种基于交叉熵最小化的压缩感知雷达成像方法 |
CN103983972A (zh) * | 2014-05-06 | 2014-08-13 | 电子科技大学 | 一种快速压缩传感三维sar稀疏成像方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100413831B1 (ko) * | 2001-09-04 | 2004-01-14 | 한국전기연구원 | 지반탐사 레이더 |
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- 2009-10-09 KR KR1020090096318A patent/KR101007389B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100413831B1 (ko) * | 2001-09-04 | 2004-01-14 | 한국전기연구원 | 지반탐사 레이더 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102890275A (zh) * | 2011-07-22 | 2013-01-23 | 中国科学院电子学研究所 | 一种基于交叉熵最小化的压缩感知雷达成像方法 |
CN103983972A (zh) * | 2014-05-06 | 2014-08-13 | 电子科技大学 | 一种快速压缩传感三维sar稀疏成像方法 |
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