焦點分散 的英文怎麼說

中文拼音 [jiāodiǎnfēnsǎn]
焦點分散 英文
defocus central issue
  • 焦 : Ⅰ形容詞1 （物體受熱失去水分 呈現黃黑色並發硬、發脆） burnt; scorched; charred 2 （著急） worried;...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 焦點 : 1 [數學] [物理學] （二次曲線焦點; 主焦點） focal point; focus 2 （問題的關鍵所在或爭論的集中點） ...
  1. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個方面： （ 1 ）分析了凹面反射的焦散現象，給出了不同凹面反射的焦散圖； （ 2 ）分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了二維凹面反射波動場焦散區奇性主要有折疊（ fold ）和尖點（ cusp ）兩種的結論，利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式，並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果； （ 3 ）分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了三維凹面反射波動場焦散區奇性主要有折疊（ fom 、尖點kusp和燕尾k ）三種的結論，提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法，並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。
  2. Laser induced diffusion is a technology that dope the impurities into a certain region of semiconductor by a focused laser. it has the advantages of “ low temperature processing ” and ” direct writing ”, and it is promising to use this technology in the fabrication of monolithically optoelctronic integrated circuits ( oeics ) to solve the incompatibility problem between optoelctronic and electronic components

    激光誘導擴散是用聚焦的激光束局域加熱半導體基片，將雜質以擴散的方式摻入到特定區域並且達到一定要求的一種技術，具有「低溫處理」 、 「直接寫入」 、 「局域升溫」等獨特優點，可有效解決單片光電集成器件（ oeics ）中光、電兩部分的工藝兼容這一難題。
  3. Psf models were introduced into full digital autofocus, and theirs function module and evaluation module were implemented using image restoration

    點擴散函數模型分別被用於全數字對焦處理，並通過基於點擴散函數的圖像恢復，完成全數字對焦的功能模塊和評價模塊。
  4. Asean, an important pillar of regional stability over the past three decades, recently expanded its membership to include the states of indo - china as well as burma, and as such has suffered a lack of focus

    作為過去30年地區穩定的重要支柱的東南亞國家聯盟最近吸收了新的成員，使印度支那國家和緬甸成為成員國，但因此變得焦點分散。
  5. Observing with a global view, the agency conflict intrigued by the insider control is not the traditional anglo - saxon corporate combat between the managers and dispersed investors but the conflict between the controlling blockholders and middle or small investors, so the focus is transferred from the conflict between the managers and dispersed investors to the tradeoff between the controlling blockholders and middle or small investors

    所以，從全球范圍看，內部人控制所引發的代理沖突不是英美傳統意義上公司經理和分散投資者間的利益相爭，而是控股股東和中小投資者之間的代理沖突。矛盾的焦點自然就從經理層和分散投資者的沖突轉化為大股東與中小投資者間的權衡取捨問題。
  6. According to the concept and basic form of svpsf, the cavity and duct scattering is examined, and a method is developed to remove the duct - induce dispersion effect

    推演了典型非點散射結構?腔體結構的二維svpdf的具體形式，得到消除其散焦效應的積分變換域濾波方法。
  7. The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity

    在分析點光源激勵聲表面波機理的基礎上，求出了線光源激勵的超聲振動的位移表達式，發現線光源激勵的近場區表面波具有波形好，信噪比高，指向性好，幅度強等特點。通過理論推導，得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比，並與入射角和散射角有關；適當減小cfpi的帶寬，增加腔長，增大鏡面反射率，或者減小檢測入射角都可以提高系統的信噪比。
  8. Complexity in the battlespace demands that we shift focus from attrition - based mass to purpose - based distribution, from apocalyptic, episodic fires to high - fidelity, continuous sensors and from deliberate risk aversion to informed risk - taking

    作戰空間的復雜性要求我們將焦點從立足於消耗大規模作戰轉變到立足於實現目標的分散式作戰，從世界末日式的短暫火力轉變到高保真的、持續不斷的監測，從謹慎地避免冒險到有準備的承擔風險。
  9. So how to settle the problem, in which dispersion is accumulated in wdm system, becomes a focus of study

    因此，如何解決波分復用系統中色散積累問題就成了光通信研究的一個焦點。
  10. Setting forth the concept of scattering model mismatch, we make a detailed analysis of their effects on radar imaging, that is, resulting in one - and two - dimensional artifacts or dispersion in radar image which we view as a kind of focus - out effect on the focusing process in radar imaging

    論文闡述了目標散射模型失配的概念及其產生根源，針對其在isar成像中造成的兩維模糊展布現象，提出了二維等效散焦誤差的概念，確立了以散焦效應的觀點來系統描述和分析上述現象的理論基礎。
  11. As a result, digital images usually suffer from aliasing due to undersampling, loss of high - frequency detail due to relative motion or out - of - focus. supperresolution involves up - conversion of the input sampling lattice as well as reducing or eliminating aliasing and bluring

    因此，通常數字圖像因欠采樣（ undersampling ）而引起的信號混疊，因低解析度傳感點擴散（ psf ： pointspreadfunction ）而造成的高頻部分、丟失，以及因相對運動或散焦造成的光學模糊等因素而受損。
  12. This paper introduces development of a tv monit system, and details technical difficulty and method of reaserch, including video capture and recognition. according to the analysis of tvprogram, it presents video capture based on time, and “ hot region ” capture based on centre focus of photograph principle, and image recognition based on dispersion degree

    介紹了一個微機電視監播系統的研製開發，講述了研製的技術難點及解決方法，包括視頻捕獲和識別.基於對電視節目的分析，提出了基於時間的視頻捕獲，基於中心聚焦的攝影原理的「熱區」獲取法，以及基於散度的圖像識別方法
  13. In order to measure the focal length of lens automatically, linear ccd is used as receiver on behalf of eyes on the basis of original experiment equipment measuring the focal length of lens. a kind of method determining the focal plane automatically is put forward and analysed theoretically in this text, based on the theory of point spread function

    本文基於點擴散函數理論，提出一自動檢焦方法，對該方法進行理論分析，並通過實驗驗證了該方案的可行性;確定焦面后，在處理測量數據過程中，文中對常用的幾種方法進行了比較和分析，最後採用質心法來實現對透鏡焦距的測量。
  14. And in addition, the paper explores the aspects of internal fluctuation, which is viewed as the random choices of the cognitive subject, how it is depend on the initial conditions and is enlarged by the method of positive feedback with step by step on the views of the nature, material outlook and thought modes. what ' s more, under the controls of the nonlinear interactions, the paper respectively explores the development principle in the culture of technology and science between the west and the east on the aspect of attractors and the order parameters, which result from the cooperation and competition. finally, the paper correctly formulates the different value preference in accord with the attractors and the order parameters, and focuses respectively on the traditions of the eastern pragmatic preference and the western contemplative preference and technological preference

    在此基礎上，從東西方科技文化的發生和起源入手，從耗散結構的觀點出發，考察了認知主體的隨機性選擇這種文化的內漲落因素，是怎樣依託于各自不同的初始條件?地理氣候條件，在自然觀、物質觀和思想模式方面一步步得到正反饋式的放大;進而，在文化系統內部種種非線性的相互作用下，從競爭和協同所必然產生的序參量和吸引子兩個方面，分別考察了東西方科技文化不同的發展規律，聚焦東方的實用化取向和西方的思辨化、技術化取向的影響機制，從它們在不同時期所發揮的不同作用正面回答了「李約瑟難題」 。
  15. Because we are simulating a photograph with the camera lens focused on someone in the foreground, we choose for our first stroke a brush about one - quarter inch in diameter ? the size of the circle of confusion that might be produced on film by a distant point source of light

    因為我們是在模擬一張聚焦於前景某個人的照片，對于該點我們就應選擇一個大約四分之一英寸直徑的畫筆這個大約也就是一個遙遠的光源在膠卷上可能產生的彌散圈的大小。
  16. For the sake of achieving the whole view of attacker ' s action, so as to keep away the intrusion of attacker ultimately, we must open up our eyes on multiple network and multiple kinds of defending system, and perform intrusion detection to obtain the whole view of attacker ' s action from multiple distributed system, as opposed to a much more common network centered viewpoint

    為了獲得攻擊者行為的更加完整的圖象，從根本上防範攻擊者的入侵，我們必須把視野拓展到多個網路和多個類型的防護系統，這樣不再把單一網路作為關注焦點，而是從多個分散式系統收集和分析數據以獲得攻擊者行為的完整圖象。
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