束測射源 的英文怎麼說
中文拼音 [shùcèshèyuán]
束測射源
英文
cesium-beam sputter source- 束 : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
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Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter
在採用phase - only演算法進行波束置零之前,需要估計干擾源的方向和個數,因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理,並分析了它們的性能和優缺點。In order to understand the origin of lead in air, proton microprobe was used to measure pm10 environmental monitoring samples of wusong district, shanghai city, and lead pollution origin of this district was studied with micro - pixe spectrum " fingerprint " combined with pattern recognition technique
摘要為?解空氣中鉛的來源,用質子微探針測量了上海市吳淞地區空氣pm10環境監測樣品,用微束質子激發單顆粒x射線能譜「指紋」結合模式識別技術研究了該地區鉛污染的來源。Some key factors in design of kev radioactive ion beam facility are discussed. they are extension of primary ion beam line, target / ion source, selection of target materials, optical calculation of the radioactive ion beam system, measurement of weak radioactive ion beam and overall efficiency of the system
本文介紹了kev放射性核束裝置中幾個關鍵部分的設計和初步實驗結果,包括系統總體概況,初級束流線,靶源系統,靶材料選擇,系統光路,低能放射性弱束流的測量,放射性劑量及輻射防護,系統總體效率評估等。
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