- 四透鏡
- four: n. 1.四人小組；(套在車上的)四匹馬。 2.四的記號 ...
- element: n. 1.要素；成分；(構(gòu)成)部分；分子。 2.【化學(xué)】 ...
- four element infrared objective: 四維元紅外物; 四組元紅外物鏡
- four-element detector: 四元件檢測器
- four-element grid: 四元網(wǎng)絡(luò)
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four-element中文什么意思
- 四透鏡
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例句與用法
- Design and realization of four - element microstrip antenna array
四單元微帶貼片天線陣的設(shè)計與實現(xiàn) - In this dissertation , a de - coupling analytical method is presented based on the actual measured pattern in aspect with linear arrays , then the method is applied in four - element array to yield satisfactory results
對于線性陣列,本文給出了一種基于實測方向圖的去耦合分析方法,并且使用這種方法對4元線陣列進行了去耦合分析,得到了令人滿意的結(jié)果。 - Firstly , a novel four - element retrodirective array is designed , based on dual - polarization microstrip array antenna technology and phase - conjugating mixers technology . secondly , a simple , effective testing system is designed and set up , by which the array ’ s monostatic and bistatic radar cross section ( rcs ) are tested
本文所采用的技術(shù)和方法,新穎、簡單、易實現(xiàn),適合具體的工程應(yīng)用;本文的結(jié)果對于天線研發(fā)人員研究方向回溯天線有一定的參考意義。 - Four tem - horn antennas have been made . using these antennas two - element rain gutter tem - horn array , two - element stacked tem - horn array , four - element rain gutter tem - horn array and four - element stacked tem - horn array are been mades up of . the results of experiment accord with theory and numerical stimulation
最后，對tem喇叭天線陣列進行了原理性實驗研究，設(shè)計了帶地板結(jié)構(gòu)的半tem喇叭天線，組成二元槽狀陣列、二元疊狀陣列、四元槽狀陣列、四元疊狀陣列等，應(yīng)用小信號測試，得到的結(jié)果與理論和數(shù)值模擬相一致。 - The main contributions are showing as follows : 1 based on the theory and specialty of four - element and infrared guidance system , a new method of calculating the relative location of the target and forming the instruction for the infrared missile to tracing the target is proposed in this thesis
本論文主要成果和創(chuàng)新性工作如下： 1 、針對紅外多元探測器的工作原理和結(jié)構(gòu)特點，結(jié)合紅外制導(dǎo)導(dǎo)彈系統(tǒng)的結(jié)構(gòu)、原理，提出了利用紅外多元探測器提供的信息解算目標位置并形成相應(yīng)控制指令的方法。