輻射源 的英文怎麼說

中文拼音 [shèyuán]
輻射源 英文
irradiation bomb
  • : 名詞(車輪中車轂和輪圈的連接物) spoke
  • : 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) ...
  • : 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. Using information of the source term ( information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials ) and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public

    根據輻射源項的資料(即事故釋放的資料,包括放性物質的釋放總量和各種放性物質的相對比例等數據)及氣象數據,這套系統模擬是次核事故所泄漏的放性物質在空氣中的擴散情況,及預測市民可能受到的劑量。
  2. To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area

    在對現有電磁輻射源(如移動通信基站、廣播電視發天線等)環境電磁污染狀況進行評估時可以進行實地測試,但是對在建或擬建的輻射源則不可能進行先測試,同時為了避免實地測試的費時、費力和較大的測試費用,通過計算機來計算分析城市環境電波傳播顯得很有必要。
  3. The density logger consists of a radiation source.

    密度測井儀包括輻射源
  4. Airborne emitter recognition based on multisensor data fusion of esm and elint

    信息融合的機載輻射源識別
  5. Madm method for asessing radar emitter menace

    反空襲作戰中雷達輻射源威脅等級評定
  6. Thermal imagery produces a visual record from natural heat radiating sources.

    熱圖象由天然熱輻射源產生一種可見的記錄。
  7. Test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber

    密閉單燃燒室中使用錐形輻射源測量煙霧昏暗度的試驗方法
  8. 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。
  9. Laser synchrotron radiation as attosecond x - ray source

    輻射源的特性研究
  10. Preliminary discussion of laser synchrotron source construction

    建立激光同步輻射源的初步探討
  11. A method of ahp threat assessment based on madm

    多屬性決策的輻射源威脅等級判定方法
  12. The practical simulation results show that it is effective for the method, especially its recognition rate and believability with imcomplete, aberrant distorted parameters are raised highly

    實際模擬結果表明該方法是有效的,尤其對于參數不全、參數畸變的雷達輻射源,其識別率和識別置信度都有較大提高。
  13. 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。
  14. Medical diagnostic x - ray radiation source

    醫用診斷x輻射源
  15. This article, through analysis different system radar ’ s superiority and limitation in target identification, proposes to unite the convention air defense radar ’ s echo characteristic and the electronic support sensory system ’ s aircraft - borne radiant characteristic, structure reasonable recognition system. it can satisfie the airplane target identification demand under the different background

    本文通過分析不同體制雷達在目標識別上的優勢和局限性,提出把常規防空雷達回波特徵和電子支援偵察系統得到的機載輻射源特徵聯合起來,構造合理的識別系統的新思路,以此來滿足不同背景下對飛機目標識別的需求。
  16. An algorithm for the moving emitter passive location and tracking based on toa and doa measurements by a single fixed station is given

    提出了一種測量目標輻射源脈沖到達時間和到達方向實現固定單站對運動輻射源進行無定位的演算法。
  17. In this thesis, wide - fov ( field - of - view ) optical systems with optical gain based on fov and optical gain of laser detection and warning optical system are studied. it can solve the problem of wide fov matching with small photosensitive surface, enhance the power received, increase detecting sensitivity, reduce the power of laser and decrease the cost of laser accordingly

    本文正是針對上述問題,從激光探測光學系統的視場和光學增益出發,研究寬視場有增益光學系統,解決大視場和小光敏面匹配的矛盾,增強接收到的光功率,提高探測靈敏度,降低對激光輻射源功率的要求,從而降低相應激光器的成本。
  18. But because sources of gravitational radiation are poor emitters of light, astronomers may have missed still unknown classes of objects. “ the first thing we might see may be something unanticipated

    然而由於重力輻射源可能不太發光,說不定天文學家從未偵測到這一類天體。
  19. It is a highly variable and irregular source with x - ray emission that flickers in a hundredth of a second burst

    它是一個不規則的快速變化的x輻射源,每秒鐘閃爍100次。
  20. Fuzzy ratio method for ranking of multi - radiant imperilment

    輻射源威脅大小綜合排序的模糊相對比值法
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