CN105137428B - 去斜率信号的极坐标格式成像算法的fpga实现方法 - Google Patents
去斜率信号的极坐标格式成像算法的fpga实现方法 Download PDFInfo
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- CN105137428B CN105137428B CN201510452480.XA CN201510452480A CN105137428B CN 105137428 B CN105137428 B CN 105137428B CN 201510452480 A CN201510452480 A CN 201510452480A CN 105137428 B CN105137428 B CN 105137428B
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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
- G01S13/9004—SAR image acquisition techniques
- G01S13/9011—SAR image acquisition techniques with frequency domain processing of the SAR signals in azimuth
-
- 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
- G01S13/904—SAR modes
-
- 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
- G01S13/904—SAR modes
- G01S13/9052—Spotlight mode
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
载机速度 | 66.1m/s |
作用距离 | 12000m |
载机高度 | 2742.4m |
斜视角 | 0.8° |
波长 | 0.0198676m |
载频 | 15Ghz |
信号带宽 | 1800Mhz |
采样频率 | 400Mhz |
脉冲持续时间 | 20us |
脉冲采样频率 | 1000 |
Slice Logic Utilization | Available | Used | Utilization |
Register | 407600 | 129973 | 31% |
LUT | 203800 | 121665 | 59% |
RAM18E1 | 890 | 132 | 14% |
RAM36E1 | 367 | 445 | 82% |
DSP48E1 | 529 | 840 | 62% |
Claims (1)
Priority Applications (1)
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CN201510452480.XA CN105137428B (zh) | 2015-07-28 | 2015-07-28 | 去斜率信号的极坐标格式成像算法的fpga实现方法 |
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CN201510452480.XA CN105137428B (zh) | 2015-07-28 | 2015-07-28 | 去斜率信号的极坐标格式成像算法的fpga实现方法 |
Publications (2)
Publication Number | Publication Date |
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CN105137428A CN105137428A (zh) | 2015-12-09 |
CN105137428B true CN105137428B (zh) | 2018-09-04 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105866774A (zh) * | 2016-03-23 | 2016-08-17 | 南京航空航天大学 | 线性调频信号极坐标格式成像算法的fpga实现方法 |
CN106896360A (zh) * | 2017-04-21 | 2017-06-27 | 南京航空航天大学 | 一种sar信号处理算法的fpga实现方法 |
CN108072866A (zh) * | 2017-11-29 | 2018-05-25 | 上海无线电设备研究所 | 一种自适应多通道串行脉冲压缩控制方法 |
CN108419059B (zh) * | 2018-03-06 | 2021-01-08 | 中国船舶重工集团公司第七二四研究所 | 一种雷达视频数据扫描变换传输的流程方法 |
CN108761404B (zh) * | 2018-03-23 | 2021-07-06 | 电子科技大学 | 一种基于二次相位函数参数估计及补偿的改进算法 |
CN109146804B (zh) * | 2018-07-26 | 2021-03-16 | 南京航空航天大学 | 一种基于fpga的sar图像几何失真校正方法 |
CN109633613B (zh) * | 2018-11-20 | 2021-01-19 | 上海无线电设备研究所 | 一种高超声速平台联合脉冲压缩和弹速补偿的fpga实现方法 |
CN109959905B (zh) * | 2019-04-11 | 2022-12-06 | 西安电子科技大学 | 基于ad9915的捷变相参雷达相位补偿方法和电路 |
CN111257874A (zh) * | 2020-01-15 | 2020-06-09 | 中国电子科技集团公司第十四研究所 | 一种pfa的fpga并行实现方法 |
Citations (5)
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CN101833090A (zh) * | 2010-03-12 | 2010-09-15 | 中国科学院遥感应用研究所 | 利用全球卫星定位系统信号源的机载海洋微波遥感系统 |
CN103197317A (zh) * | 2013-03-26 | 2013-07-10 | 西安电子科技大学 | 基于fpga的sar成像方法 |
CN103336277A (zh) * | 2013-05-13 | 2013-10-02 | 西安电子科技大学 | 微型调频连续波实时sar成像系统 |
CN103414853A (zh) * | 2013-07-26 | 2013-11-27 | 东华大学 | 支持多自由度运动的视频图像序列实时稳定装置与方法 |
CN104112053A (zh) * | 2014-07-29 | 2014-10-22 | 中国航天科工集团第三研究院第八三五七研究所 | 一种面向图像处理的可重构架构平台设计方法 |
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2015
- 2015-07-28 CN CN201510452480.XA patent/CN105137428B/zh not_active Expired - Fee Related
Patent Citations (5)
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CN101833090A (zh) * | 2010-03-12 | 2010-09-15 | 中国科学院遥感应用研究所 | 利用全球卫星定位系统信号源的机载海洋微波遥感系统 |
CN103197317A (zh) * | 2013-03-26 | 2013-07-10 | 西安电子科技大学 | 基于fpga的sar成像方法 |
CN103336277A (zh) * | 2013-05-13 | 2013-10-02 | 西安电子科技大学 | 微型调频连续波实时sar成像系统 |
CN103414853A (zh) * | 2013-07-26 | 2013-11-27 | 东华大学 | 支持多自由度运动的视频图像序列实时稳定装置与方法 |
CN104112053A (zh) * | 2014-07-29 | 2014-10-22 | 中国航天科工集团第三研究院第八三五七研究所 | 一种面向图像处理的可重构架构平台设计方法 |
Non-Patent Citations (2)
Title |
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"FPGA Implementation of Polar Format Algorithm for Airborne Spotlight SAR Processing";Zou Linchen et al;《2013 IEEE 11th International Conference on Dependable, Autonomic and Secure Computing》;20131231;摘要,第144-147页,图2,3,8 * |
"Polar Format Algorithm using Chirp Scaling for Spotlight SAR Image Formation";DAIYIN ZHU et al;《IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS》;20081031;第44卷(第4期);第1434页右栏,第1439-1141页 * |
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