電機結晶構造 的英文怎麼說

中文拼音 [diànjiējīnggòuzào]
電機結晶構造 英文
electromechanical crystal structure
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : machineengine
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : Ⅰ動詞1 (做; 製作) make; build; create; produce 2 (假編) cook up; fabricate; concoct 3 [書面語...
  • 電機 : (任何產生和應用電能的機器 特指發電機、電動機) any power generating or power driven machine esp ...
  • 結晶 : 1 (析出晶體) crystallize2 (晶體) crystal 3 (成果) crystallization; fruit; product; quintess...
  • 構造 : structure; construction; constructional detail; tectonic; structural; makeup; anatomy; constituti...
  1. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波路; ( 3 )用調制解調元sc1128和自行設計的濾波器加之輔助外圍路,出低壓力線載波通信系統,並採用atmel公司的單片設計了接收和發射路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  2. In the present research, scanning electron microscope ( sem ), laser raman spectroscopy ( lrs ), x - ray photoelectron spectroscopy ( xrs ), x - ray diffraction ( xrd ) and electron probe micro analysis ( epma ) were utilized to investigate the difference in micro - structure and elements distribution between domestic and foreign pdcs. combined with analysis on current manufacturing process, the mechanism for the difference was discussed. scanning electron microscope ( sem ), laser granularity analysis, atom emission spectroscopy ( aes ) and plasma emission spectroscopy ( icpaes ) are also utilized to investigate the grain shape and impurities of key material - diamond power

    本課題採用掃描鏡、拉曼光譜、光子能譜、 x -射線衍射分析、子探針等方法分析了國內外聚金剛石-硬質合金復合片在微觀組織、元素成分分佈方面的差異,合對現有燒工藝的分析,研討了成這些差異的理;採用掃描子顯微鏡、激光粒度分析、原子發射光譜、等離子發射光譜等方法對關鍵原材料-金剛石微粉的形、雜質含量進行了比較分析測試。
  3. Combining magnetic levitation technology and linear motor drive technology, applying cad / cae method, a new magnetic levitation precise stage is designed and researched, which is step and precise position mechanism in 1c chip manufacture equipment of micro - electronics trade such as laser photolithography equipment. it is an innovative research

    將磁懸浮技術和直線驅動技術相合,採用cad cae技術手段設計研究了一種新型磁懸浮精密定位工作臺,它是針對微子行業ic元製設備如光刻而研製的快速步進、精密定位,是創新性研究。
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