探測天線 的英文怎麼說

中文拼音 [tàncètiānxiàn]
探測天線 英文
exploring antenna
  • 探 : Ⅰ動詞1 （試圖發現） try to find out; explore; sound 2 （看望） call on; visit; see 3 （向前伸出）...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
  1. A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals

    無線方向探測器一種無線電接收和指向天線系統，用來確定收到的無線電信號的角方向
  2. Astronomers have also detected older and smaller m stars, previously thought to be quite dim, that actually outshine the sun in their x-ray emission.

    天文學家還探測到有一些較老較小的M型星，它們發射的X射線實際上比太陽更加光輝燦爛，而先前人們卻認為它們是十分幽暗的。
  3. Subsurface radar, also known as ground - penetrating radar is increasingly being used for the detection and location of buried objects such as mines and structures that are found within the upper regions of the earth ’ s surface

    探地雷達越來越多地被用來探測地表淺層的埋藏物或地下結構。文中對探地雷達的歷史做了簡單回顧，重點是適用於不同領域的探地雷達天線設計方面。
  4. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。
  5. According to the target distance ( 5 ~ 50m ), a c - band transceiver for ranging was presented in this thesis. the focus of this work was on designing a c - band frequency - modulated continuous - wave ( fmcw ) frequency source, a receiver and microstrip antenna

    本文針對所探測目標的距離（ 5 ~ 50m ） ，研製了c波段測距收發前端，主要包括c波段調頻連續波（ fmcw ）頻率源，接收電路以及微帶天線。
  6. Both the radiosonde and the ground station are equipped with antennae for reception of gps signals from at least 4 satellites ( figure 1 )

    在探測過程中，無線電探空儀和地面站均裝有gps天線，可接收最少4個衛星發出的信號。
  7. Interstellar hydrogen will emit a characteristic wave with wavelength 21cm. most of the sources of this wave are gas clouds in the spiral arms. second to the 21cm emission, the radio wave emitted by the molecular gas clouds in the arms are also good spiral arm tracers

    在旋臂中的氫氣分子云，會發射出波長為21厘米的無線電波，只要探測這些無線電波在天空中的強度分佈，便可推算出旋臂的結構。
  8. Astronomers found the halo using nasa ' s far ultraviolet spectroscopic explorer ( fuse ) satellite to peer beyond the edges of our home galaxy

    天文學家是使用美國航空航天局的遠紫外線光譜探測儀（ fuse ）衛星，在我們所居住的星系邊緣外發現此日冕的。
  9. The lidar, on the other hand, employs infrared radiation to detect the movement of dust particles or aerosols in the atmosphere. as such, lidar operates best in rain - free conditions, unveiling weather phenomena hiherto invisible to the human eye

    激光雷達則利用紅外線探測空氣中塵粒和微細粒子的移動，在無雨情況下最能發揮作用，即使肉眼看不到的天氣現象也無所遁形。
  10. The result shows that the solar radiation pressure moments play a mainly part. based on kalman filtering, three kinds of attitude determination algorithms were studied using the attitude sensor now available on the explorer : the first based on digital solar sensor ( dss ) and gyroscope when the star sensor is not available ; another based on dss, high - gain antenna ( hga ) and gyroscope when the explorer is in the earth - safe mode ; the third based on star sensor combined with gyroscope when the explorer is in the normal mode

    針對配置了典型測量敏感器的深空探測器，基於擴展kalman濾波給出了其姿態確定的方法:針對星敏感器不可用情形，給出了使用太陽敏感器和速率陀螺定姿的濾波器演算法;針對安全模式下的對地穩定定向情形，給出了太陽敏感器和高增益天線融合速率陀螺信息的定姿演算法;針對正常巡航模式給出星敏感器和速率陀螺聯合定姿演算法。
  11. The author would like to thank dr ma yuqian, the director of the laboratory of cosmic ray and high energy astrophysics, for thorough introduction on the xd project

    作者感謝宇宙線和高能天體物理開放實驗室主任馬宇倩博士就x射線探測器作出詳細介紹。
  12. Finally, a tem antenna was simulated. the coupling of two antennas and the tail of the reflected signal of the antenna are reduced. furthermore, the antenna was tested with the gpr

    最後對tem加載喇叭天線進行了模擬，減小收發天線之間的耦合及信號拖尾，並在探地雷達上進行了實測。
  13. Caption : : interplanetary unmanned spacecrafts are distant and their signals are very weak. using radio antennae, the deep space network was set up for the interplanetary telecommunications

    在行星際空間航行的無人探測船，距離遙遠，訊號微弱。由多臺巨型碟型天線組成的深空網路因此建立，以作行星際的電信往來。
  14. With the advancement of detector technology, astronomers now can exploit observations in different wavelengths to study astronomical objects. for example, the ultraviolet image of m81 in picture can be used to locate the very hot o type and b type stars in that galaxy

    隨著探測器技術的日益改進，天文學家已可利用不同波段來觀測宇宙，例如利用m81的紫外線照片圖b尋找星系內的熾熱o型和b型恆星。
  15. Compared with the traditional nai scintillator probe, cd1 _ xznxte probe has higher detecting efficiency and power resolution, and can be widely used in fields such as security monitor, industrial flaw detection, medical diagnosis, celestial body x ray telescope and so on

    與傳統的碘化鈉閃爍體探頭相比， cdznte探頭具有很高的探測效率和能量解析度，可廣泛用於安檢、工業探傷、醫學診斷、天體x射線望遠鏡等方面。
  16. 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。
  17. Project phoenix could detect the lighthouse keeper ' s cell phone - but only if its antenna was aimed directly at the lighthouse itself

    鳳凰計? "可以探測到燈塔管理員的移動電話- -當然，前提是天線必須直接對準燈塔。
  18. Firstly, the work principle of staring laser detection optical system is introduced, and the relation between optical antenna ’ s amount and fov in laser warning system of optical antenna array is deduced

    首先闡述了凝視型激光輻射探測光學系統的工作原理，推導了光學天線陣列激光告警系統中光學窗口數與光學單元視場角應滿足的關系。
  19. Based on the characteristic of system, the antenna is designed with one transmitter and two receivers and the localization principle of twsr is analyzed. target localization algorithm and error distribution computing method based on time - only - localization ( tol ) are proposed

    同時根據系統特點，天線採用單發雙收方式，分析了穿墻探測雷達定位原理，提出了基於波達時間（ tol ）的目標定位演算法和誤差分佈計算方法。
  20. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知，使傳感器相位偏置為/ 2 ，減小電極間距，提高電光重疊因子，減小器件插入損耗，採用合適的分段數，增加電極長度，增大光功率，降低激光的波長，減小相對強度噪聲，減小接收帶寬，對提高靈敏度的效果是非常明顯的。而減小天線長度，降低調制器電容，電極分段，都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率，採用較低的光學偏置，都可以增大線性動態范圍。
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