陣列中的總數 的英文怎麼說
中文拼音 [zhènlièzhōngdezǒngshǔ]
陣列中的總數
英文
total in array- 陣 : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
- 列 : Ⅰ動1 (排列) arrange; form a line; line up 2 (安排到某類事物之中) list; enter in a list Ⅱ名詞1...
- 的 : 4次方是 The fourth power of 2 is direction
- 總 : Ⅰ動詞(總括; 匯集) assemble; gather; put together; sum up Ⅱ形容詞1 (全部的; 全面的) general; o...
- 數 : 數副詞(屢次) frequently; repeatedly
- 陣列 : [統計學] array陣列處理機 array processor; 陣列印表機 array printer; 陣列雷達 [電學] array radar
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The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。Phased - array radiation lobe is superposed by isometric array element with constant amplitude. using the concept of real and imaginary space, the scanning lobe is researched
通過「實虛空間」的概念,分析了掃描中的陣列波瓣,總結給出相控陣天線的方向性系數。Chapter 2 : using a so - called variance matrix, we studied the propagation and the focusing characteristics of the paraxial light beams. the quantities characterizing the gross features for a paraxial optical beam, such as the beam width, the divergence, the curvature radius of the wavefront, the complex beam parameter q. and the beam quality factor, are related by using variance matrix
第二章:闡述了常數折射率介質中光束的傳輸和聚焦,建立了表徵傍軸光束總的特徵的量,如:束寬、衍射發散角、波前曲率半徑、復光束參數q與變換矩陣的關系,得到了光束質量因子和變換矩陣行列式的定量關系。The second part of the work is to analyze the finite array with floquet mode method. the scattering field of two - dimension array is computed and the characteristic of fm is mentioned. at the end of the work, the two methods, fm and mom, are discussed respectively
第二部分工作研究有限陣列電磁散射特性分析的fm方法,總結了fm方法分析陣列散射場的一般步驟,採用fm方法計算了二維有限陣列的散射場,與矩量法做比較,分析了fm方法的優缺點以及數值計算中的一些注意事項。分享友人