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Ultrasonic wave-based method for measuring thickness of coating layer, involves receiving reflection echo sound pressure, and obtaining average value of sound pressure reflection coefficient amplitude spectrum. 专利
申请日期: 2014-01-01, 公开日期: 2014-12-10
作者:  LIN L LEI M MA Z LUO Z ZHAO C
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/11
Vertical-cavity surface-emitting laser 专利
专利号: US8576890, 申请日期: 2013-11-05, 公开日期: 2013-11-05
作者:  FATTAL, DAVID A.;  BEAUSOLEIL, RAYMOND G.;  MATHAI, SAGI VARGHESE
收藏  |  浏览/下载:18/0  |  提交时间:2019/12/24
Method for encoding and decoding grouping voice code, involves dividing reflection coefficient into several groups, and calculating corresponding line spectrum frequency parameter by using calculated linear prediction coefficient. 专利
申请日期: 2013-01-01, 公开日期: 2013-01-09
作者:  CHEN Z ZHANG X WANG L YIN F
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/13
Sound pressure reflection coefficient-based thin layer ultrasonic detection method used in non-destructive detection field, involves substituting complex function into formula to obtain thin sound pressure reflection coefficient function. 专利
申请日期: 2013-01-01, 公开日期: 2013-06-12
作者:  LIN L HU Z LI G MA Z LUO Z
收藏  |  浏览/下载:9/0  |  提交时间:2019/12/13
Multiple-layer wave-absorbing coating thickness measuring method, involves realizing accurate measuring coating using self-correlation method and sound pressure reflection coefficient power spectrum method. 专利
申请日期: 2013-01-01, 公开日期: 2013-08-14
作者:  LIN L LEI M LI G HU Z LI X MA Z
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/13
Non-continuous medium coaxial strain sensor for monitoring e.g. different area, has inner and outer conductors filled with insulating layer, where sensor is stretched such that point of reflection coefficient is offset to obtain strain. 专利
申请日期: 2013-01-01, 公开日期: 2013-04-10
作者:  ZHANG Y GAO R SHI P LIU S
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/13
Method for measuring sound attenuation and sound pressure reflection coefficient of acoustic impedance layer, involves determining reflection coefficient and power spectrum value of low-pass filter by satisfying preset relationship. 专利
申请日期: 2012-01-01, 公开日期: 2012-07-25
作者:  CHEN J HU Z LI X LIN L LUO Z
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/18
Ultrasonic coating density measurement method, involves reading extreme value of phase position according to obtained sound pressure reflection coefficient phase spectrum of coating sample. 专利
申请日期: 2009-01-01, 公开日期: 2009-06-10
作者:  LEI M LIN L LI X ZHAO Y
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/24
Integrated optical isolator including a Bragg grating 专利
专利号: EP1925966A1, 申请日期: 2008-05-28, 公开日期: 2008-05-28
作者:  DAGENS, BÉATRICE;  VAN WOLLEGHEM, MATHIAS;  GOGOL, PHILIPPE;  BEAUVILLAIN, PIERRE
收藏  |  浏览/下载:11/0  |  提交时间:2019/12/30
Optische Vielfachwellenlängen-Multiplex-Vorrichtung, Vielfachwellenlängen-Lichtquelle mit einer solchen Vorrichtung und optischer Verstärker 专利
专利号: DE60019658T2, 申请日期: 2006-05-24, 公开日期: 2006-05-24
作者:  NISHIDE KENJI,JP;  WADA AKIRA,JP;  YAMASAKI SHIGEFUMI,JP;  YAMAUCHI RYOZO,JP
收藏  |  浏览/下载:6/0  |  提交时间:2019/12/23


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