輻射特性 的英文怎麼說

中文拼音 [fúshètèxìng]
輻射特性 英文
radiated characteristic
  • 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） ...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 輻射 : radiation; exposure; radio; beaming
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well

    從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。
  2. On the assumption that a cabin and a horn antenna were under the bottom of an airplane, fdtd method was applied to analyze the antenna patterns which are generally affected by the body of the airplane

    摘要假定飛機腹部加裝了某一形狀的炮艙和矩形喇叭天線，用時域有限差分法（ fdtd ）分析了這樣的外形對天線輻射特性的影響。
  3. It ' s found that the high exponent gaussian feed overmatch general gaussian feed on radiation characteristic and power capacity

    同時，將高次高斯饋源的性能與一般高斯饋源進行了比較，發現其無論是在功率容量還是在輻射特性上均超過了後者。
  4. First the author introduces the design of the flame monitoring system based on pic16f877 mcu in details. the detector, ( ecadata company ’ s production ), si - photodiode, is used as the sensor. its photoelectric current output is proportional to input light ’ s energy

    經方案比較，決定選用基於火焰的紅外光譜輻射特性的火焰檢測原理，研製開發火焰監測系統，檢測元件選擇ecadata公司生產的紅外雪崩型硅光電二極體，光電二極體在接受紅外輻射時，其產生光電流的大小與入射光能量成正比。
  5. Truncation effect of rb mockup on antenna radiation pattern

    再入體模型截短對天線輻射特性影響
  6. 2. the radiant characteristics of the sar images are evaluated, which includes relative calibrations and absolute calibrations of the sar images, corrections of the antenna patterns, and ratio transforms and contrast adjustments of the sar images

    2 . sar定標與其圖像輻射特性評價，包括圖像的內定標和外定標，以及以天線方向圖校正、比例變換和反差調整為內容的sar圖像的輻射校正和增強。
  7. In the part of thesis ' s design, we calculated the frequency characteristics, radiation characeristics and resistance characteristics of outboard - driven flextensional transducer, and optimized the size of structure

    在論文的設計部分，對外部驅動的彎張換能器的頻率特性、輻射特性及阻抗特性進行了詳細的計算，對結構尺寸進行了設計優化。
  8. Based on the structure and emission characteristic of the diode bar, a numerical calculation. model of the thermal dissipation was proposed and a related simulation of the effects of heatsinks parameters on the performance of the packaged laser was carried out

    根據二極體條結構及輻射特性，建立了散熱過程數值計算模型，數值模擬研究了熱沉參數對封裝激光器性能的影響。
  9. Now the method has application at large. because the laser - produced plasmas are rapidly varying, temporal resolution of spectral features is important to investigation of x - ray radiancy evolvement with time, many dynamic plasma processes and radiation transport. soft x - ray time - resolved diagnosis technology have had quiet great progress since from sixty " s end to seventy " s early

    由於激光等離子體變化快，且其x射線輻射的時間特性包含有豐富的物理信息，因此時間分辨的x射線輻射特性診斷是研究激光等離子x射線輻射隨時間的演變，各種動力學過程和輻射輸運等物理問題所必需的關鍵診斷技術。
  10. Leaky wave antennas with specific profiles are analyzed and their radiation properties are compared ; the conclusions based on the present analysis are of practical significance for the design of these kinds of leaky wave antennas

    文中選取了幾種介質柵形狀漏波天線進行研究，並對它們的輻射特性進行了比較分析；所得結論對該類全向漏波天線的設計具有實際意義。
  11. Multi - band infrared tracking and measuring system

    多波段紅外目標跟蹤與輻射特性測量系統
  12. Radiant characteristics of subnanosecond and monopolar pulse - excited aperture

    單極性亞納秒脈沖激勵口徑的輻射特性
  13. Research on the vibration and sound radiation characteristics of stiffened thin plate

    加筋薄板結構振動與聲輻射特性研究
  14. The radiation characteristics of an array with elements in a medium and the radiation space in another medium are studied in detail, and the maximum and minimum radiation conditions are firstly deduced. finally, the radiation patterns of two kinds of special arrays are presented

    深入研究了陣列單元與輻射空間為不同介質時的輻射特性，首次導出了最大輻射條件和最小輻射條件，給出了二元、三元陣列的輻射方向圖。
  15. The thermal wave nondestructive testing technology based on emissivity of the object, it can find surface and subsurface flaws in the composites of airplane through measuring difference in temperature between flaws and materials by active heating methods and inspection system

    摘要紅外熱波無損檢測基於物體的熱輻射特性，利用主動加熱技術，通過相關的檢測系統記錄試件表面缺陷和基體材料由於不同熱特性引起的溫度差異，進而判定飛機復合材料表面及內部的損傷。
  16. It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation

    柴油機缸內的火焰輻射受諸多因素的影響，用理論分析法來確定它是相當困難的，由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程，而燃燒過程中的實際熱力狀態又可用示功圖來分析，因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系，建立了一種計算柴油機缸內火焰輻射傳熱的新模型，利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算，將計算結果與實測結果進行了比較，表明該模型能較好預測缸內火焰輻射傳熱量。
  17. Then the influences of the dimension parameters on the impedance property and radiation property are studied, and the relationship between the feed height and the impedance property is presented

    並討論了天線尺寸對于阻抗以及輻射特性的影響，提出了饋電高度對于天線性能的重要意義。
  18. Research on electric magnetic radiation features of coal and rock failure in chengzhuang mine and application

    成莊礦煤巖破壞電磁輻射特性及其應用研究
  19. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。
  20. Study on the radiation properties of semiconductor lasers is desirable to evaluate the coupling efficiency during the optical design

    在設計這些光學系統中，研究半導體激光器的輻射特性是評價系統耦合效率的必要前提。
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