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1. WO2020133773 - STRONG ECHO COUNTERACTION RECEIVING DEVICE

Publication Number WO/2020/133773
Publication Date 02.07.2020
International Application No. PCT/CN2019/080714
International Filing Date 01.04.2019
IPC
G01V 1/18 2006.1
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
18Receiving elements, e.g. seismometer, geophone
G01V 1/36 2006.1
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
36Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
G01V 1/30 2006.1
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
30Analysis
CPC
G01V 1/18
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
18Receiving elements, e.g. seismometer, geophone ; or torque detectors, for localised single point measurements
G01V 1/30
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
30Analysis
G01V 1/36
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
36Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
Applicants
  • 山东科技大学 SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY [CN]/[CN]
Inventors
  • 郭银景 GUO, Yinjing
  • 牛晨曦 NIU, Chenxi
  • 吕文红 LYU, Wenhong
  • 丁庆安 DING, Qingan
  • 高洁 GAO, Jie
  • 孙红雨 SUN, Hongyu
  • 陈赓 CHEN, Geng
  • 王正杰 WANG, Zhengjie
  • 陆翔 LU, Xiang
  • 孔芳 KONG, Fang
  • 刘珍 LIU, Zhen
  • 周玉洁 ZHOU, Yujie
  • 杨文健 YANG, Wenjian
  • 刘辉 LIU, Hui
  • 孟庆良 MENG, Qingliang
Agents
  • 青岛智地领创专利代理有限公司 QINGDAO ZHIDILINGCHUANG PATENT AGENCY CO.,LTD
Priority Data
201811579707.724.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) STRONG ECHO COUNTERACTION RECEIVING DEVICE
(FR) DISPOSITIF DE RÉCEPTION À NEUTRALISATION DE PUISSANT ÉCHO
(ZH) 一种强回波对消接收装置
Abstract
(EN)
A strong echo counteraction receiving device, comprising a transmitter, a correlator, a detector, a counteraction signal synthesizer, a delay matching module, a vector module, a previous-frame reception signal module, and a non-orthogonal decomposition module. The detector is separately connected to the correlator and the counteraction signal synthesizer; the transmitter is connected to the delay matching module; the delay matching module is separately connected to the correlator and the vector module; the correlator is connected to the vector module; and the vector module is connected to the counteraction signal synthesizer; the previous-frame reception signal module is connected to the non-orthogonal decomposition module; and the non-orthogonal decomposition module is connected to the counteraction signal synthesizer.
(FR)
L'invention concerne un dispositif de réception à neutralisation de puissant écho, comprenant un émetteur, un corrélateur, un détecteur, un synthétiseur de signal de neutralisation, un module d'adaptation de retard, un module de vecteur, un module de signal de réception de trame précédente et un module de décomposition non orthogonale. Le détecteur est connecté séparément au corrélateur et au synthétiseur de signal de neutralisation ; l'émetteur est connecté au module d'adaptation de retard ; le module d'adaptation de retard est connecté séparément au corrélateur et au module de vecteur ; le corrélateur est connecté au module de vecteur ; et le module de vecteur est connecté au synthétiseur de signal de neutralisation ; le module de signal de réception de trame précédente est connecté au module de décomposition non orthogonale ; et le module de décomposition non orthogonale est connecté au synthétiseur de signal de neutralisation.
(ZH)
一种强回波对消接收装置,包括发射机、相关器、检波器、对消信号合成器、延时匹配模块、矢量模块、前帧接收信号模块、非正交分解模块;其中,检波器分别与相关器和对消信号合成器相连,发射机与延时匹配模块相连,延时匹配模块分别与相关器和矢量模块相连,相关器与矢量模块相连,矢量模块与对消信号合成器相连,前帧接收信号模块与非正交分解模块相连,非正交分解模块与对消信号合成器相连。该强回波对消接收装置合成的对消信号针对性更强,从而提高远端地质构造回波信号的信噪比。
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