點輻射源 的英文怎麼說

中文拼音 [diǎnfúshèyuán]
點輻射源 英文
spot radiation source
  • 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「、」）...
  • 輻 : 名詞（車輪中車轂和輪圈的連接物） spoke
  • 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
  • 輻射 : radiation; exposure; radio; beaming
  1. On the base of serious summarizing the experience of more than 20 pilot villages of the all city during the past 7 years, twice villages surveys in large scale in 1999 and 2001 ( including over 200 villages ) and thirteen pilot villages in the project of rural development by technology and education project in beijing in 2002, generalizing experience on how to develop village economy and rural development by technology and education project entirely, extrapolating the operating mechanism, management system and village development pattern in how to rely on technology to train rural elites and boom village economy especially. thereby, representing the conception, goal and operating clue of village economy and rural development by technology and education project for 21st century in beijing in detail. it is the first time to represent four operating thesis of rural development by technology and education project for 21st century in china systematically : system thesis of village productive forces ( inside ) ; regional actinoid thesis in village ( outside ), operating thesis for origin, bank and fluid, and the thesis of biology balancing and limited factors

    在認真總結北京市7年多來全市20餘個科教興村老試點和1999年、 2001年兩次大規模村級調查（ 200餘村） 、北京市2002年十三個科教興村新的試點的基礎上，全面總結如何依靠科技、教育在發展村域經濟、開展科教興村等方面的經驗教訓，特別是重點總結歸納了7年來北京市如何依靠科技、培育鄉土人才、促進村域經濟發展的科教興村的管理體系、運作模式、村級發展模式；在此基礎上，詳細闡述了21世紀北京市科教興村的概念、目標和工作思路；並在國內首次較系統地、深入地闡述了21世紀科教興村的四大運行理論基礎：村域生產力系統理論（對內） 、村域區域經濟發展輻射理論（對外） 、 「源、庫、流」運轉學說和「生態平衡理論和限制因子學說」 。
  2. It does not need much area, not any pollution, not consuming much electricity power, not need much cost. gshp combined floor radiation air - conditioning system possess high seasonal average cop value and great capacity of edaphic depositing heat energy, can ease up supplied water temperature fluctuating with the change of the outdoor air temperature

    地源熱泵技術聯合地板輻射對房間進行冷暖聯供的形式，具有地源熱泵季節性平均性能系數高、土壤蓄熱能力強、能緩解空氣源熱泵存在的供冷供熱能力隨環境溫度波動大的矛盾等優點。
  3. At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known

    最後，對全文進行了總結，並指出今後研究工作重點。指出：瞬時得到各方向的投影是此技術實用化關鍵；在獲得溫度分佈信息基礎上，進行必要的假設和推導，能同時得到火焰中某特定組分濃度的分佈，這必將進一步我們對燃燒本質的理解；利用方向性好，輻射強度高的激光源代替常規的黑體爐，能得到輻射干涉投影圖像，這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。
  4. The apparent celestial origin of a meteoric shower

    流星群的輻射點明顯的流星雨太空光源
  5. But the signals mixture problem can be brought on by the drop of adaptive performance caused by using subarray and by overmany radiation sources. so bbs is used to solve the problem. this dissertation focuses on subarray architectures and the algorithms of ica, and proposes a new and more practical subarray architecture and a more suitable algorithm to separate radar signal

    同時針對採用子陣法導致自適應性能下降以及現代雷達信號環境多個輻射源等問題引起信號混疊現象，論文採用盲分離來對雷達信號進行分離處理，並針對雷達信號的特點提出一種適用的演算法。
  6. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  7. To show the applicability of the proposed algorithm for engineering problems, the thesis computed the radiated electromagnetic field of a switched mode power supply, with special attention on the analysis of the emi in the electronic control circuit. different numerical results and two valuable guidelines are drawn

    從而以實際高頻開關電源為工程背景，通過對高頻開關電源產生的輻射電磁場的分析，重點計算了該開關電源控制迴路處的主要電磁干擾，得出了相應的數值計算結果和可供實用參照的結論。
  8. Several characteristics of resources of solar radiation, temperature and precipitation are found out based on grid analysis. the distinct monsoon climate results in the seasonly and regional characteristics of crop producing in viet nam. the high temperature and rain come in the same season

    （ 3 ）根據小網格氣候要素柵格圖層，分析越南太陽輻射量資源、氣溫資源和降水量資源的特點，特別是越南季風氣候明顯，構成了越南農業生產極明顯的季節性和區域性特點，雨熱同季，適宜擴大喜溫高產作物栽培。
  9. Meanwhile, under the condition of continuous wave radiant, how to get the time difference precisely in the low signal noise ratio become another problem. the paper firstly introduce basic principle of the tdoa location technology while the merits and demerits is also given

    同時，電子戰中不僅有大量脈沖輻射源，而且還有連續波輻射源的現狀使得怎樣在信噪比較低的條件下準確無誤得到輻射源的時差也是該領域一個難點。
  10. In the radiation aspect, the features o radiation sources in power converters are discussed. the radiation models of dm current and cm current in cables and radiative characteristics of cables and high frequency current loops in the converter are also discussed

    在功率變換器輻射emi方面，系統地討論了功率變換器各輻射源的特點，重點分析了共模電流和差模電流在電纜中的輻射模型，功率變換器中電纜與高頻電流迴路的輻射性能。
  11. Passive location technology, which does not radiate electromagnetic wave, can locate the radiant in a hidden way. featuring in long function range, high anti - interference capacity, it plays more important role in improving survival and operation capacity of electronic system in the electronic war. more countries put emphasis on the research of passive location technology is receiving

    由於無源定位技術能在自身不輻射的條件下，隱蔽地確定輻射源位置，具有作用距離遠、抗干擾能力強的特點，對于提高系統在電子戰環境下的生存能力和作戰效能具有十分重要的作用，因此對于無源定位技術的研究越來越受到各國的重視。
  12. The study in this paper based on the national fifteen tackling key problem - " life detection and orientation of earthquake emergency response system " and project of no. 10 research institute of china electronics technology group corporation - " pulse radar target detection and location technology ", has completed the study and simulation of the relative technology of tdoa, which was a theoretical and technological supporting to the two projects

    本論文在國家十五重點科技攻關課題「地震救助生命搜索與定位技術研究」和中國電子科技集團第十研究所「脈沖輻射源監測和定位技術」國際合作項目中，完成了對其中時差定位相關技術的研究和模擬，為工程項目的實施提供理論和技術支持。
  13. This paper introduced a following technicque. the problem of continuously measuring the material level in a wide range using a point radiation source can be solved perfectly with this technique

    摘要介紹了一種隨動跟蹤技術，採用該技術的核子料位計較好地解決了利用點輻射源進行大量程連續物位測量的問題。
  14. The implement of direction finding cross location and errors analysis are on the focus. the multi - warships bearings - only tracking algorithm based on direction finding cross location and distributed multi - warships bearings - only tracking are also presented. ( 6 ) the observation prerequisite of single warship bearings - only tracking is analyzed, and optimal maneuver of the observer warship is discussed

    5研究了多艦純方位跟蹤的演算法，把多艦純方位跟蹤分成集中式跟蹤和分散式跟蹤兩類，並分別進行了分析比較，重點研究了測向交叉定位法的實現及誤差分析，給出了基於測向交叉定位的多艦對運動輻射源的跟蹤演算法和基於信息融合的多艦純方位分散式跟蹤演算法。
  15. Spot radiation source

    點輻射源
  16. Usually dual sources ( radar and decoy ) have the same or alike modulation and position. in this dissertation, method of doa identification is studied in order to tracking individual radiation source correctly. the main efforts and results of this dissertation can be summarized as follows : 1

    本文重點研究在兩點源（雷達和誘餌）空間張角很小、時域重疊、信號調制參數相同或相近的情況下， prs有效分選輻射源到達方向（ directionofarrivals ，即doa ）的方法，以實現對待攻擊輻射源的正確跟蹤。
  17. The y rays detecting system for physical diagnosis in nuclear exploding must be calibrated in the pulse radiation field according to field spots. so the 12mv pulse x rays accelerator and the fast neutron reactor are selected as radiation sources for calibrating

    核爆物理診斷探測系統需要在脈沖輻射場中按場點光子注量進行標定，為模擬核爆產生的輻射場，選定12mv脈沖x射線加速器和快中子脈沖堆為標定用脈沖輻射源。
  18. While increasing the role of economic and radiation center of prd, hunan province as a second gradient should get close center actively by advantages of resources, talents and stock assets rather than accept gradient transfer passively. in its economic

    在不斷加大珠三角經濟中心的焦點輻射作用的同時，作為第二梯度的湖南省應以自己的資源、人才和存量資產優勢積極主動地向中心靠攏，而不是被動地接受梯度轉移。
  19. Compared to other approaches, stereo vision is rapid, accurate and easy to conceal, as it is a passive measurement, which does not emit light and radiation

    相對與其他的方法，立體視覺是一種被動式的測量方法，本身不發出光以及其他輻射源。具有隱蔽性好，測量快速、準確等優點。
  20. The electromagnetic energy received at a point in space from two or more closely spaced radiating elements is a maximum when the energy from each radiating element arrives at the point in phase

    在空間一點受到兩個或更多輻射源照射時，各個輻射源波束到達該點時相位一致則該點接收到的電磁能量最強。
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