電磁波反射 的英文怎麼說

中文拼音 [diàncíbōfǎnshè]
電磁波反射 英文
reflection of electromagnetic wave
  • 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...
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 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） ...
  • 電磁波 : electromagnetic wave; ether hertzian wave; hertz wave電磁波測距 electromagnetic distance measurem...
  • 電磁 : [電學] [物理學] electromagnetism電磁安（培） abampere （電磁系電流單位）; 電磁泵 electromagnetic ...
  1. This is the form of the fields set up by feeding electromagnetic energy into a resonator formed by two curved reflectors.

    它是將電磁波輸入由兩個曲面反射鏡組成的諧振腔后所建立的電磁場的形式。
  2. Deliberate radiation or reradiation of electromagnetic waves so as to impair the usefulness of a specific segment of the radio spectrum that is being used by the enemy for communication or radar

    人為地輻射或反向輻射電磁波，使一段特定的無線電波譜的可用性削弱，而這一波譜段是由敵人的通訊或雷達所使用。
  3. This dissertation bases on the research of battlefield armored reconnaissance tank system, which is a very important reconnaissance & information reception means for our country ? digital armored troops. the zzco2 radar armored reconnaissance tank system is the collector of radio information by use of the radiation and reflection of electromagnetic wave, at the same time it is a system which saves, processes and transmits the radar information picked up. the content of this dissertation involves the design and development of zzco2 ? software system

    本論文以我軍裝甲機械化部隊坦克師的戰場裝甲偵察系統的研製為背景撰寫。該系統是我國數字化裝甲部隊的重要偵察和信息獲取工具。其中zzc02型雷達偵察車（型）是該系統的前沿偵察車，是不可見電磁頻段的雷達信息的收集者，是以電磁波輻射、反射作為信息獲取的主要手段，以計算機主機為中心的信息採集、處理、存儲和傳輸系統。
  4. Anti - radiation missile ( arm ) is an air - to - air or air - to - ground missile that can seek, track and destroy radar systems by making use of electromagnetic wave of the radar beaming, which is also called anti - radar missile

    反輻射導彈（ anti - radiation - missile ， arm ）是一種利用雷達輻射源發射的電磁波，發現、跟蹤並摧毀雷達系統的空空、空地機載導彈，也稱為反雷達導彈。
  5. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性，建立了半經驗植被雷達後向散射模型; 2 ） .研究發現在農作物等矮小植被覆蓋地表，植被層直接後向散射與植被類型相關，且在植被生長期，雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ） .解決了單參數雷達地表土壤水分反演問題中，雷達入射角和地表粗糙度的影響這一難點問題; 4 ） .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ） .在以上成果基礎上，建立了完整的單參數雷達地表土壤水分變化探測反演演算法，經地表驗證，模型反演地表土壤水分變化值的精度為rmse = 0
  6. The study of material and reflection coefficient of electromagnetic waves in layered medium

    分層介質中電磁波傳播的材料及反射系數的研究
  7. Under some conditions, although for passive materials, when a plan wave incidents to the interface between a layered lossless material and a layered lossy material, the reflection coefficient of electric field may be greater than unity

    在某種條件下，即使在無源媒質中，電磁波在有耗媒質和無耗媒質的交接面上，其組合反射系數可能會大於l 。
  8. The forward model for gpr electromagnetic wave propagation in pavement system is established based on the basic theory of electromagnetic through analyzing the propagation characteristics of electromagnetic wave propagation in pavement, then the reflected signals of gpr wave propagation in different pavement structures are simulated

    基於電磁波基本理論，通過分析雷達電磁波在路面結構層介質中的傳播特性，建立了雷達電磁波在路面結構體系中傳播的正演模型，並依據該模型模擬合成了不同路面結構體系中雷達波的反射信號。
  9. The conclusions from this research include : ( 1 ) the real part mainly effects the delay time between two peaks of gpr signal, the larger the real part, the longer the delay time. ( 2 ) the imaginary part mainly affects the peak amplitude of gpr waveform except that from pavement surface, the higher the imaginary part, the lower the peak amplitude. ( 3 ) the neglect of imaginary part of dielectric will increase the analyzing error obviously when it is higher

    分析了路面結構層材料介電常數實部和虛部對雷達電磁波反射信號的影響，並得出以下結論： （ 1 ）介電常數的實部主要影響雷達反射波的時延，實部越大，時延越長； （ 2 ）虛部主要影響除路表反射波幅之外的其它結構層界面的反射波波幅，虛部越大，反射波幅越小； （ 3 ）當介質介電常數虛部較大時，忽略虛部將給分析結果帶來明顯的誤差； 3
  10. The reflected wave will be received by the receive antenna and transferred to digital data. we can analyze the data that saved by the computer of gpr to deduce the medium ' s property, situation, location and so on. being a kind of nondestructive, untouched method, it has many advantages such as nondestructive, rapidness, simpleness and high precision, so it will have wide applications in the ways of examination, control and maintenance to road quality, especially for highway

    路用探地雷達是近幾年發展起來的、應用於公路無損檢測的一項新技術，它利用超寬帶脈沖電磁波對路面結構層進行探測，當雷達發射天線發射的電磁波在路面結構層中傳播時會在介電特性突變處產生反射和透射，反射回來的波經由接收天線接收並轉化為數字信號儲存起來，通過分析探地雷達回波信號來估計路面結構層的性質、狀態和位置等特徵。
  11. Of or relating to the range of invisible radiation wavelengths from about4nanometers, on the border of the x - ray region, to about380nanometers, just beyond the violet in the visible spectrum

    人為地輻射或反向輻射電磁波，使一段特定的無線電波譜的可用性削弱，而這一波譜段是由敵人的通訊或雷達所使用。
  12. Based on impedance theory of em wave transmitting in medium, we calculate the reflection of single - layer carbonyl - iron / epoxy ds and discuss the influence of matrix type, carbonyl - iron content and thickness on absorbing properties

    此外，根據電磁波在介質中傳輸的阻抗理論計算了單層羰基鐵粉分散體系的反射率，並考慮了不同基體、羰基鐵粉含量及體系厚度對反射率的影響。
  13. The land clutter is useless signals for target detection caused by land terrain. the multipath effect is some kind of interference which is caused by wave reflection on terrain. the diffraction effect is the phenomenon of wave propagation into shadow region

    地雜波是由地面散射引起的對目標探測無用的信號;多路徑是由電磁波在地面反射所引起的干涉;衍射則是電波繞射傳播到遮蔽區的現象。
  14. Maxwell ' s equations ; electromagnetic plane wave ; reflection and refraction ; wave guide ; electromagnetic radiation

    電磁學溫習、馬克思威爾方程式、平面電磁波、電磁波的反射與透射、導波、電磁輻射。
  15. Measurement methods for reflectivity of electromagnetic wave absorbers in millimetre wave frequency

    毫米波頻率電磁波吸收裝置反射率的測量方法
  16. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中，作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式，然後，採用magic程序模擬了這種波導結構中電磁波的傳播情況，得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖，並由模擬結果計算了波包穿越勢壘的群速和能量速度。
  17. Finally in chapter 6, the problems of boundary conditions and incident wave, as the most valuable problem of mrtd as a time - domain method, are studied. this chapter presents the simulation results of the electromagnetic propagation and its interactions with the dielectric slab and analyse of the graph of the reflection coefficient in frequency. compared with fdtd results, the numerical results, obtained using the mrtd method, show the directness and conciseness of mrtd as a time - domain method and the advantages in grid enlargement and saving computer resource etc.

    最後，第六章討論了mrtd作為時域數值技術最具實際應用價值的邊界條件設置和入射波加入等問題，並給出模擬電磁波傳播過程和介質板反射系數頻譜分析，其數值結果表明了mrtd作為時域方法的直觀簡練，與fdtd方法的結果比較，顯示了其在擴大網格、節省計算資源等方面的優勢。
  18. In a negative index material ( nim ), the peaks and troughs of an electromagnetic wave travel backward even though the energy of the wave continues to travel forward

    在負折射率材料中，電磁波的波峰和波谷將朝相反方向行進，但波的能量仍向前行進。
  19. Study of active periodical structure s controlling the direction of reflector electromagnetic wave

    有源周期性結構控制電磁波反射波束指向研究
  20. It can get the information of the objects in its supervised water area by collecting the reflected electromagnetic wave. because the raw radar video represents the real condition of the supervised water area, it is an important information resource for vts centers and maritime administrative offices to get the evidence on the spot

    雷達利用電磁波反射原理收集監測海域內的物體回波信息，雷達原始視頻數據實時動態地反映了海域內的真實情況，因此對于交通管制和海事取證具有極其重要的作用。
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