CN106646348A - 适用于短时多频率信号的干涉仪相位差测量电路及测量方法 - Google Patents
适用于短时多频率信号的干涉仪相位差测量电路及测量方法 Download PDFInfo
- Publication number
- CN106646348A CN106646348A CN201710054908.4A CN201710054908A CN106646348A CN 106646348 A CN106646348 A CN 106646348A CN 201710054908 A CN201710054908 A CN 201710054908A CN 106646348 A CN106646348 A CN 106646348A
- Authority
- CN
- China
- Prior art keywords
- signal
- phase difference
- short
- term
- correlation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measuring Phase Differences (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710054908.4A CN106646348B (zh) | 2017-01-24 | 2017-01-24 | 适用于短时多频率信号的干涉仪相位差测量电路及测量方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710054908.4A CN106646348B (zh) | 2017-01-24 | 2017-01-24 | 适用于短时多频率信号的干涉仪相位差测量电路及测量方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106646348A true CN106646348A (zh) | 2017-05-10 |
CN106646348B CN106646348B (zh) | 2019-10-25 |
Family
ID=58842228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710054908.4A Active CN106646348B (zh) | 2017-01-24 | 2017-01-24 | 适用于短时多频率信号的干涉仪相位差测量电路及测量方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106646348B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108333556A (zh) * | 2018-01-31 | 2018-07-27 | 成都泰格微波技术股份有限公司 | 一种基于误差修正的多通道测向接收机校准系统及方法 |
CN108490256A (zh) * | 2018-03-15 | 2018-09-04 | 中国电子科技集团公司第三十六研究所 | 一种基于多谱线的psk信号二通道相位差获取方法及装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105676174A (zh) * | 2016-01-25 | 2016-06-15 | 西安电子科技大学 | 基于相位差分最小二乘法的单站无源快速定位方法 |
-
2017
- 2017-01-24 CN CN201710054908.4A patent/CN106646348B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105676174A (zh) * | 2016-01-25 | 2016-06-15 | 西安电子科技大学 | 基于相位差分最小二乘法的单站无源快速定位方法 |
Non-Patent Citations (4)
Title |
---|
余建宇 等: "一种相位干涉仪的数字信道化测向方法", 《火控雷达技术》 * |
毛虎 等: "干涉仪测向技术现状与发展研究", 《电子信息对抗技术》 * |
石荣 等: "数字干涉仪时域频域鉴相性能对比的理论分析", 《无线电工程》 * |
陈海忠 等: "数字式干涉仪测向技术鉴相算法研究", 《航天电子对抗》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108333556A (zh) * | 2018-01-31 | 2018-07-27 | 成都泰格微波技术股份有限公司 | 一种基于误差修正的多通道测向接收机校准系统及方法 |
CN108333556B (zh) * | 2018-01-31 | 2020-04-28 | 成都泰格微波技术股份有限公司 | 一种基于误差修正的多通道测向接收机校准系统及方法 |
CN108490256A (zh) * | 2018-03-15 | 2018-09-04 | 中国电子科技集团公司第三十六研究所 | 一种基于多谱线的psk信号二通道相位差获取方法及装置 |
CN108490256B (zh) * | 2018-03-15 | 2020-02-14 | 中国电子科技集团公司第三十六研究所 | 一种基于多谱线的psk信号二通道相位差获取方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN106646348B (zh) | 2019-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3483572B1 (en) | Distributed fibre sensing system and vibration detection and positioning method therefor | |
Gao et al. | A comparison of time delay estimators for the detection of leak noise signals in plastic water distribution pipes | |
CN103532641B (zh) | 一种用于卫星导航系统的射频信号质量评估方法 | |
CN106707258A (zh) | 一种非高斯背景下微动目标多参数估计方法 | |
CN103454495A (zh) | 自适应高精度快速频谱分析方法 | |
CN111624588B (zh) | 主动声源定位与声音信号重构方法及装置 | |
CN109991590B (zh) | 一种在有限空间压力罐内测试换能器低频发射特性的系统与方法 | |
CN112799012B (zh) | 一种基于脉冲匹配的宽带干涉仪闪电定位方法及系统 | |
CN106646348A (zh) | 适用于短时多频率信号的干涉仪相位差测量电路及测量方法 | |
CN114428225B (zh) | 一种基于准匹配滤波的多辐射源到达角度测量方法及装置 | |
CN109975770A (zh) | 时间频率重叠多分量线性调频信号的分离方法及装置 | |
CN117434426A (zh) | 一种开关电容滤波器的测试方法、系统及装置 | |
US20120313805A1 (en) | Radar target detection process | |
CN114545342A (zh) | 利用多通道侦察接收机的雷达脉冲信号参数测量方法 | |
Zhao et al. | Clutter cancellation based on frequency domain analysis in passive bistatic radar | |
Babaeian et al. | A CZT-Based Algorithm for Improving Multi-Target Ranging in FMCW Radar | |
EP3055704B1 (en) | Analog to information converter | |
CN110673223A (zh) | 一种无需同步电流采集传输和频域测量sip数据采集和处理方法 | |
Bennett | The correlatograph: A machine for continuous display of short term correlation | |
JPS598497A (ja) | ト−ン検出器 | |
CN114624520A (zh) | 一种自适应脉冲信号检测和提取方法 | |
Poletti | The application of linearly swept frequency measurements | |
RU2316015C1 (ru) | Способ компьютерно-интерферометрической локализации сложных сигналов | |
Noon et al. | Correction of I/Q errors in homodyne step frequency radar refocuses range profiles | |
JPH033192B2 (zh) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
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: Interferometer phase difference measurement circuit and method for short time multi frequency signal Effective date of registration: 20200908 Granted publication date: 20191025 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU TIGER MICROELECTRONICS RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2020980005829 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210918 Granted publication date: 20191025 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU TIGER MICROELECTRONICS RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2020980005829 |