電子密度圖 的英文怎麼說
中文拼音 [diànzimìdùtú]
電子密度圖
英文
electron de ity map- 電 : 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...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 密 : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 電子 : [物理學] [電學] electron
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We obtained holographic interferogram, from which we got the space distribution of plasma electron density by abel inversion
由全息干涉條紋圖樣求解等離子體電子密度空間分佈要用到abel變換。Then these separated interferograms can be recorded by ccd camera the experiments with the multi - frame interferometer was carried out on a small gas - puff z - pinch device with 23 kv working voltage and 210 ka peak current and about 2 risetime, and good results were obtained
該套干涉儀在小型噴氣式z箍縮裝置上進行了實驗, z裝置的工作電壓23kv 、峰值電流210ka 、電流上升時間約2 。根據干涉圖條紋的移動數,可以計算出等離子體的電子密度和運動速度。In order to recognize low resistivity oil layers, we have used many methods, such as engraving method, resistivity curve overlapping method, density and acoustic curves overlapping method, or density, acoustic and neutron curves overlapping method, as well as quantitative interpretation method, etc
為了識別低電阻油層,我們採用了多種方法,例如圖版法、電阻率曲線重疊法、密度與聲波曲線重疊法或密度、聲波與中子曲線重疊法,以及定量解釋法等。Hot shock and cathode electrolysis experimental results indicate the interface adhesion strength between coating and aluminum matrix is excellent. the element electronic probe image provide that the two composition are co - deposition ; structure analysis by xrd ( x - ray diffraction ) demonstrated that cr exists in the way of solid solution in the coating
Sem和金相觀測結果表明浸鎳后鍍層結晶緻密、厚度均一;熱震及陰極電解結果說明鍍層與基體結合牢固緊密;鍍層元素電子探針掃描圖說明鎳鉻兩種元素均勻沉積; xrd分析證明鍍層中鎳鉻以固溶體的形式存在。Numerical simulations were done to show the distortion of the wavefront and the interference pattern under several kinds of typical plasma density distributions. the ray path in plasma was calculated by the numerical solution of the vector equation of light ray, when the plasma density was closing to the critical electron density of the laser frequency. through the simulations, the factors that influence the measurement were found out under different density distributions and shapes of plasma
在此基礎上,採用數值模擬的方法,計算了在幾種典型的等離子體密度分佈下,激光波面的變化和產生的干涉圖樣;並用光線矢量微分方程的數值解法計算了當等離子體密度接近光頻臨界電子密度時,光線在等離子體中的傳播路徑,從中掌握了在不同的等離子體密度和形狀下,進行干涉測量所應估計到的因素。According to the basic theory of iir filters, a scheme of hardware implementation is worked out combining with the fact that coefficients of numerator and denominator of transfer function are fixed and the structural feature of selected hdpld. from the clew of implementing a stratified , modularized and parameterized design , the thesis describes the hardware implementation of the iir filter with vhdl and schematic diagram design method. two examples that are iir notch filter and iir low - pass filter are given , the stability of filters and the effects of quantification of coefficient are also analyzed
以iir數字濾波器的基本理論為依據,結合濾波器的傳遞函數分子、分母系數固定這一事實和選用的高密度可編程邏輯器件的特點,確定了iir數字濾波器的硬體實現方案;按照層次化、模塊化、參數化的設計思路,採用vhdl硬體描述語言和原理圖兩種設計技術進行了iir濾波器的硬體設計;本文給出了iir陷波濾波器和低通濾波器兩個設計實例,對設計的濾波器都進行了穩定性分析和系數量化影響分析;最終將完成的iir濾波器的硬體設計配置到晶元中,並在製作的實驗電路中進行了實際濾波效果測試。With the development of microelectronic products ( integrated circuit, printed circuit board, etc ) directing to high density, thin separation and low defect ratio, its inspection requirement is higher on aspects of precision, efficiency, universal, and intelligence etc. therefore, this paper researched on the general key techniques in the field of microelectronic products vision inspection, covered the shortage of traditional inspection on aspects of fast and precision locating, image mosaic, and fine defect test, completed theory study on physical dimension and defect inspection of microelectronic products based on machine vision, developed the prototype and used lots of experiments to prove its correctness and feasibility
隨著微電子產品(集成電路晶元、印刷電路板等)向著高密度、細間距和低缺陷方向發展,對其檢測技術在精密、高效、通用和智能化等方面提出了更高要求。由此,本文對微電子產品視覺檢測中的關鍵技術進行研究,彌補了傳統檢測在精確快速定位、圖像全景組合和精細缺陷檢測等方面的不足,最終完成基於機器視覺的微電子產品外形尺寸和缺陷檢測的理論研究和樣機研製,並進行了大量實驗證明其正確性和可行性,力圖為我國自主創新的微電子產品視覺檢測技術提供理論和實際借鑒。It presents images of electron density distribution inside the object
它可以提供關於物體內部物質電子密度分佈的圖像信息。Experimentally, the plasma produced by cable plasma gun ( c - gun ) and dense plasma focus ( dpf ) was measured by the laser differential interferometer system. the clear interference patterns were acquired at different time. the contour maps of line integral density and curves of radial local density at different height above nozzle were presented
實驗上,對等離子體斷路開關中的電纜等離子體槍( c - gun )和等離子體焦點裝置( dpf )產生的等離子體進行了測量,獲得了對應不同時刻的清晰的干涉圖像,給出了線積分密度等值線圖和距噴口不同高度處的徑向密度分佈。This thesis first stduies electron density imaging based on compton scattering energy spectral data
本文從康普頓散射的能譜出發,研究物質電子密度圖像的重建問題。According to the features of precision, efficiency, inspection dimension and accuracy varying great range, designed closed - loop control system composition of servomechanism and grating to assure system ’ s precision, smooth, efficiency, and to realize the great dimension range measurement ; designed image capture system composition of ccd, automatic variable power lens and self - adaptive lighting, to realize integration of large inspection precision range ; designed electric control and software system to make the inspection convenience and fast. finally, developed the prototype instrument
針對微電子產品視覺檢測的精密、高效、檢測精度和測量范圍變換大的特點,設計了伺服驅動、精密光柵採集組成閉環控制系統以保證運動精密、平穩、高效,和大的尺寸測量范圍;設計了由ccd攝像機、大范圍自動變倍鏡頭和自適應光源組成的圖像採集系統,集不同精度等級的檢測於一體;設計了電氣控制和軟體系統使檢測方便快捷。分享友人