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phased array receiving theory
相关语句
  相控接收原理
     Simulation of PD Location Method in Oil Based on UHF and Ultrasonic Phased Array Receiving Theory
     基于超高频和超声波相控接收原理的油中局部放电定位法仿真研究
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  “phased array receiving theory”译为未确定词的双语例句
     A new partial discharge(PD)location method based on UHF and ultrasonic phased array receiving theory is presented.
     提出一种基于超高频和超声波相控接收阵的局部放电定位法。
短句来源
  相似匹配句对
     Phased Array TT&C Systems
     相控阵测控系统概论
短句来源
     Phased-Array and Radar Breakthroughs
     相控阵和雷达技术的突破(英文)
短句来源
     3. Measure and receiving system of phased array transducer.
     3.相控阵换能器的测量接收系统。
短句来源
     theory.
     理论计算得理论图。
短句来源
     theory.
     这些概念和理论为不确定性信息理论奠定了基础.
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A new partial discharge(PD)location method based on UHF and ultrasonic phased array receiving theory is presented. The plane sensor is consisted of two phased receiving arrays, which respectively receive UHF and ultrasonic signals emitted by partial discharge. Regarding the time point of signal detected by the UHF phased receiving array as time benchmark, the time delay of ultrasonic signals received by acoustic phased receiving array can...

A new partial discharge(PD)location method based on UHF and ultrasonic phased array receiving theory is presented. The plane sensor is consisted of two phased receiving arrays, which respectively receive UHF and ultrasonic signals emitted by partial discharge. Regarding the time point of signal detected by the UHF phased receiving array as time benchmark, the time delay of ultrasonic signals received by acoustic phased receiving array can be obtained and the distance between PD source and the sensor can be calculated, then the PD dimensional position can be found out using the azimuth and elevation angle at which the phased receiving arrays scan. Because PD sources of different space positions lead to different space angles of beam combination representing corresponding maximum PD signal, and to different time benchmark compared to the same sampling initial point and different time delay, the locating of multiple PD sources can be reached. Several examples of PD in oil are simulated using this novel location method and the results indicate the method can locate the PD in oil and solve the location of multiple PD sources.

提出一种基于超高频和超声波相控接收阵的局部放电定位法。该方法以分别检测局部放电产生的超高频和超声波信号的相控接收阵构成平面传感器,以超高频相控接收阵检测到的局部放电超高频电磁波信号作为时间基准,由此得出接收到的超声波信号的时延,进而计算出放电点与传感器间的距离;再根据相控阵扫描的方位角和仰角,与算出的距离一起就可得出局部放电源的几何位置。多个空间位置不同的局部放电,其产生的最大信号所处的对应于空间角度的波束阵列的位置不同,相对于同一采样起始点的时间基准不同,而且时间间隔也不同,因此还可实现多局放源的定位。对这一设想进行仿真研究,结果表明该方法能对油中局部放电进行较精确的定位,并可较好地解决多局放点定位问题。

 
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