CN106154257B - 基于FFT与apFFT的精密测量雷达二次测频方法 - Google Patents
基于FFT与apFFT的精密测量雷达二次测频方法 Download PDFInfo
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- CN106154257B CN106154257B CN201610455151.5A CN201610455151A CN106154257B CN 106154257 B CN106154257 B CN 106154257B CN 201610455151 A CN201610455151 A CN 201610455151A CN 106154257 B CN106154257 B CN 106154257B
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- fft
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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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
- G01R23/12—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into phase shift
Abstract
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CN201610455151.5A CN106154257B (zh) | 2016-06-21 | 2016-06-21 | 基于FFT与apFFT的精密测量雷达二次测频方法 |
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CN201610455151.5A CN106154257B (zh) | 2016-06-21 | 2016-06-21 | 基于FFT与apFFT的精密测量雷达二次测频方法 |
Publications (2)
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CN106154257A CN106154257A (zh) | 2016-11-23 |
CN106154257B true CN106154257B (zh) | 2018-07-31 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107632199A (zh) * | 2017-09-26 | 2018-01-26 | 天津光电通信技术有限公司 | 快速傅里叶变换测频的实现方法 |
CN107843900A (zh) * | 2017-10-26 | 2018-03-27 | 苏州豪米波技术有限公司 | 一种雷达测距的方法和系统 |
CN112014811B (zh) * | 2020-08-18 | 2023-11-07 | 南京航空航天大学 | 一种雷达载波频率的精细估计方法 |
CN112698316B (zh) * | 2020-12-09 | 2023-07-11 | 西安电子工程研究所 | 一种基于改进的重心插值提高雷达测距精度的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101666874A (zh) * | 2009-09-07 | 2010-03-10 | 北京科技大学 | 一种fmcw雷达测距精确校正的测量装置与补偿校正方法 |
CN103823215A (zh) * | 2014-03-03 | 2014-05-28 | 中国科学院电子学研究所 | 线性调频连续波雷达测距方法 |
-
2016
- 2016-06-21 CN CN201610455151.5A patent/CN106154257B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101666874A (zh) * | 2009-09-07 | 2010-03-10 | 北京科技大学 | 一种fmcw雷达测距精确校正的测量装置与补偿校正方法 |
CN103823215A (zh) * | 2014-03-03 | 2014-05-28 | 中国科学院电子学研究所 | 线性调频连续波雷达测距方法 |
Non-Patent Citations (3)
Title |
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全相位FFT相位测量法;王兆华 等;《世界科技研究与发展》;20070831;第29卷(第4期);第28-32页 * |
无窗全相位FFT/FFT相位差频移补偿频率估计器;黄翔东 等;《电子与信息学报》;20160531;第38卷(第5期);第1135-1142页 * |
相位式激光测距的FFT与apFFT鉴相研究;陈栋 等;《激光与红外》;20131031;第43卷(第10期);第1108-1112页 * |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: FFT (fast Fourier transform) and ap FFT (all-phase fast Fourier transform)-based precise measurement radar secondary frequency measurement method Effective date of registration: 20200414 Granted publication date: 20180731 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU RAINIER TECHNOLOGY Co.,Ltd. Registration number: Y2020510000030 |
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Date of cancellation: 20210512 Granted publication date: 20180731 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU RAINIER TECHNOLOGY Co.,Ltd. Registration number: Y2020510000030 |
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Denomination of invention: Secondary frequency measurement method of precision measurement radar based on FFT and apFFT Effective date of registration: 20210520 Granted publication date: 20180731 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU RAINIER TECHNOLOGY Co.,Ltd. Registration number: Y2021510000066 |