lobe width中文什么意思

发音:   用"lobe width"造句
  • 波瓣宽度(方向图的半功率宽度)
  • lobe:    n. 1.耳垂。 2.【植物;植物学 ...
  • width:    n. 广阔;宽度;幅度;(布匹的)门 ...
  • lobe half-power width:    波瓣功率宽度


  1. In the part of window , a best window must own the following character : ( 1 ) the smallest band - width in the place of 3db , as well as main - lobe width ( 2 ) the biggest side - lobe peak - value of must be as possible as small
  2. First , it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width , side lobe amplitude , elimination of grating lobes ) , amplitude of ultrasonic pressure , element viberation pattern , mutual radiation among elements , efficient test regions , ability to keep accurate and near - field distance and so on . based on the direction of ultrasonic field in ulpa deduced by ourselves . in addition , on the base of integrating all kinds of factors , it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer , and its design programme and interface were compiled
    首先在推导超声相控线阵换能器声场的指向性的基础上,就各个晶片几何参数对指向性指标(主瓣宽度、旁瓣幅度、消除栅瓣) 、声压幅值、阵元振动模式、阵元间互辐射、有效检测区域、精确控制能力、近场长度等方面的影响进行了论述,并在综合各方面影响的基础上,提出了晶片几何参数优化设计的原则和方法,编写了设计程序和界面。


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