lobe width中文

波瓣寬度(方向圖的半功率寬度)

• lobe:    n. 1.耳垂。 2.【植物；植物學 ...
• width:    n. 廣闊；寬度；幅度；(布匹的)門 ...
• lobe half-power width:    波瓣功率寬度

例句與用法

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
   就窗函數而言，引入實驗的七種窗函數中，有限帶寬、三角形窗以及余弦窗是卷積窗函數比較理想的選擇。
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
   首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，并在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。