CN104251886A - 一种超声波探伤中动态细分延迟的方法及装置 - Google Patents
一种超声波探伤中动态细分延迟的方法及装置 Download PDFInfo
- Publication number
- CN104251886A CN104251886A CN201310258597.5A CN201310258597A CN104251886A CN 104251886 A CN104251886 A CN 104251886A CN 201310258597 A CN201310258597 A CN 201310258597A CN 104251886 A CN104251886 A CN 104251886A
- Authority
- CN
- China
- Prior art keywords
- delay amount
- integer delay
- sample sequence
- integer
- sampled point
- 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
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 title abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 67
- 238000012360 testing method Methods 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 28
- 230000008859 change Effects 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 18
- 238000013481 data capture Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 13
- 230000003111 delayed effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000004304 visual acuity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310258597.5A CN104251886B (zh) | 2013-06-26 | 2013-06-26 | 一种超声波探伤中动态细分延迟的方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310258597.5A CN104251886B (zh) | 2013-06-26 | 2013-06-26 | 一种超声波探伤中动态细分延迟的方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104251886A true CN104251886A (zh) | 2014-12-31 |
CN104251886B CN104251886B (zh) | 2016-12-28 |
Family
ID=52186975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310258597.5A Active CN104251886B (zh) | 2013-06-26 | 2013-06-26 | 一种超声波探伤中动态细分延迟的方法及装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104251886B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106646541A (zh) * | 2016-11-23 | 2017-05-10 | 南京航空航天大学 | 一种基于差分相关积分的北斗弱信号捕获方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1191970A (zh) * | 1996-12-30 | 1998-09-02 | 通用电气公司 | 为超声波束形成器提供动态可变时延的方法和设备 |
CN1439898A (zh) * | 2002-08-28 | 2003-09-03 | 深圳迈瑞生物医疗电子股份有限公司 | 基于线性插值的波束合成器及其合成方法 |
CN101264022A (zh) * | 2007-03-16 | 2008-09-17 | 通用电气公司 | 用于在超声成像中精确时间延迟估计的方法和系统 |
EP2182350A2 (en) * | 2008-10-29 | 2010-05-05 | Hitachi, Ltd. | Ultrasonic flaw detector and ultrasonic flaw detection method with three-dimensional imaging |
CN101782555A (zh) * | 2010-01-15 | 2010-07-21 | 北京工业大学 | 基于时间延迟的导波信号分析方法 |
-
2013
- 2013-06-26 CN CN201310258597.5A patent/CN104251886B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1191970A (zh) * | 1996-12-30 | 1998-09-02 | 通用电气公司 | 为超声波束形成器提供动态可变时延的方法和设备 |
US5844139A (en) * | 1996-12-30 | 1998-12-01 | General Electric Company | Method and apparatus for providing dynamically variable time delays for ultrasound beamformer |
CN1439898A (zh) * | 2002-08-28 | 2003-09-03 | 深圳迈瑞生物医疗电子股份有限公司 | 基于线性插值的波束合成器及其合成方法 |
CN101264022A (zh) * | 2007-03-16 | 2008-09-17 | 通用电气公司 | 用于在超声成像中精确时间延迟估计的方法和系统 |
EP2182350A2 (en) * | 2008-10-29 | 2010-05-05 | Hitachi, Ltd. | Ultrasonic flaw detector and ultrasonic flaw detection method with three-dimensional imaging |
CN101782555A (zh) * | 2010-01-15 | 2010-07-21 | 北京工业大学 | 基于时间延迟的导波信号分析方法 |
Non-Patent Citations (2)
Title |
---|
刘文红等: "基于分数低阶矩的非整数时间延迟估计方法", 《通信学报》 * |
曹永超: "超声相控阵波束成形的研究与实现", 《工程与试验》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106646541A (zh) * | 2016-11-23 | 2017-05-10 | 南京航空航天大学 | 一种基于差分相关积分的北斗弱信号捕获方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104251886B (zh) | 2016-12-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107991541B (zh) | 一种近场天线测试控制装置及其测试方法 | |
JP4647515B2 (ja) | 座標検出装置、筆記具および座標入力システム | |
CN103300890A (zh) | 用于测量组织机械特性的系统及方法 | |
CN102928772A (zh) | 时序测试系统及其测试方法 | |
CN104251886A (zh) | 一种超声波探伤中动态细分延迟的方法及装置 | |
JPH06254092A (ja) | 超音波信号処理装置 | |
CN112951263B (zh) | 语音增强方法、装置、设备和存储介质 | |
CN107770679B (zh) | 处理信号的方法以及相应的设备 | |
JP2005043164A (ja) | 音波伝播時間測定装置 | |
CN109754829B (zh) | 用于输出后加强信号的电子电路 | |
JP6094721B1 (ja) | 測定装置、測定方法、及び測定プログラム | |
CN103412045B (zh) | 一种具有楔块的超声波检测中延迟量计算方法及装置 | |
CN203299175U (zh) | 一种精确延迟器 | |
CN210225227U (zh) | 超声电源系统及超声设备 | |
CN110061610B (zh) | 超声电源系统及其控制方法 | |
Nakajima et al. | New instrument for rapid and accurate measurement of ultrasonic velocity and attenuation using a minicomputer system | |
CN107238813B (zh) | 近场信号源波达方向和波达时间确定方法及装置 | |
KR20120096736A (ko) | 지연시간 연산량을 줄이는 초음파 빔집속 방법 및 장치 | |
CN102541772B (zh) | 内存总线的信号采集装置 | |
Kwon et al. | Time-selective windowing technique in free-field microphone reciprocity calibration | |
CN112650707A (zh) | 多通道光声信号延迟装置、系统、信号处理方法、终端、介质 | |
Richter et al. | On the influence of continuous subject rotation during HRTF measurements | |
JP2021065449A (ja) | 測定装置、ビーム測定方法、及びビーム測定プログラム | |
GB2476266A (en) | Sensor for determining the location of a disturbance comprising a signal conduit which when disturbed creates a signal that propagates to either end | |
CN118068285A (zh) | 滤波方法、装置、雷达芯片模组、雷达设备及存储介质 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Dynamic subdivision delay method in ultrasonic flaw detection, and apparatus thereof Effective date of registration: 20180926 Granted publication date: 20161228 Pledgee: Bank of Beijing Zhongguancun branch Limited by Share Ltd. Haidian Pledgor: Beijing TIME High-technology Ltd. Registration number: 2018990000883 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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: 20191022 Granted publication date: 20161228 Pledgee: Bank of Beijing Zhongguancun branch Limited by Share Ltd. Haidian Pledgor: Beijing TIME High-technology Ltd. Registration number: 2018990000883 |
|
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: A Method and Device of Dynamic Subdivision Delay in Ultrasonic Flaw Detection Effective date of registration: 20221101 Granted publication date: 20161228 Pledgee: Hengfeng bank Limited by Share Ltd. Beijing branch Pledgor: BEIJING TIME HIGH-TECHNOLOGY Ltd. Registration number: Y2022980020387 |
|
PP01 | Preservation of patent right | ||
PP01 | Preservation of patent right |
Effective date of registration: 20240307 Granted publication date: 20161228 |