無線電測定 的英文怎麼說

中文拼音 [wúxiàndiàncèdìng]
無線電測定 英文
radio determination
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 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...
  • 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...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 無線電 : radio; wireless無線電愛好者 radio amateur; amateur radio; 無線電報警 radio warning; 無線電報務員 ...
  • 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  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. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  3. Gps receivers belong to the user equipment, mainly used to receive satellite signals and telegraphese, measure the distance from receiver to the satellites by the wireless signals, compute the position and speed of satellites by telegraphese, then compute the position and speed of user

    Gps衛星接收機屬于衛星導航定位系統中的用戶設備，主要用於接收衛星信號和電文，由無線電信號測定用戶至衛星的距離，或多普勒頻移等觀測量;根據導航電文，計算觀測衛星的位置和速度，根據觀測量和衛星的位置、速度，解算出用戶的位置和速度。
  4. At the same time, the probe ' s descent imager and spectral radiometer ( disr ) will take pictures of the methane clouds so that researchers can determine their size and shape

    同時，探測器的降落攝影光譜無線電儀（ disr ）將拍攝甲烷雲的照片，讓研究人員能判定其大小與形狀。
  5. A very important one is the intersystem prediction and analysis of electromagnetic compatibility to the radio systems in this electromagnetic environment. this paper presents research on the intersystem prediction and analysis of electromagnetic compatibility to the radio systems positioned by the geographical longitude and latitude coordinate system and the elevation system. it can give assistant solution to the interference among the radio systems so as to avoid functional degradation and even failure after the systems disposed and mounted and the money and time wasting

    本文對處于陸上局部區域內的、以經緯度地理坐標系和高程系進行定位的無線電系統間的電磁兼容性預測進行了研究，以對系統間的相互干擾情況作出預測，給解決局部區域中無線電系統間相互干擾問題的方案提供支持，以避免在系統布置、安裝完成之後出現相互干擾情況而使系統性能下降，甚至失效，造成資金和時間的浪費。
  6. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性，則為合理的微蜂窩無線網路規劃、設計提供了必要條件，同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  7. Far away in a storm-location center, a radio-locater can pinpoint the lightning stroke.

    在遠處的暴風探測中心，無線電定向器能準確地給閃電定位。
  8. The first upper - air sounding system using radiosondes was installed in 1949 at the observatory headquarters

    天文臺於一九四九年在總部裝置首套無線電探空系統，用來測定高空氣象資料。
  9. Radar radio detecting and ranging

    雷達無線電定向和測距
  10. The radiant energy used in such measurements may vary from x rays, through visible light, to radio waves.

    測定過程中採用的光能種類很多，從X射線，可見光到無線電波。
  11. The rationale of the tradition radio direction finding system is introduced. depending on the double - channels interferometer direction finding system manufactured successfully which have got a technical appraisal by technology committee of jiangsu province, the system of single channel interferometer direction finding is discussed particularly. the data and results of the experiment system are presented

    本文介紹了傳統的無線電測向的基本原理，在研製成功的雙通道干涉儀測向系統（已通過江蘇省技術鑒定）的基礎上，重點分析了傳統單通道干涉儀測向系統，並給出了實驗數據和結論以及存在的問題。
  12. Methods of measuring and expressing the performance of radio receivers for sound broadcasting - measurement on frequency - modulated receivers of the response to impulsive interference

    無線電廣播接收機性能測定及表示方法.第5部分:調頻接收機脈沖干擾響應測量
  13. Methods of measurement for radio transmitters. part 12 : guideline for drawing up descriptive leaflets for transmitters and transposers for soud and television broadcasting. characteristics to be specified

    無線電發射機的測量方法.第12部分:音響設備和電視播放設備用發射機和轉播發射機的散頁說明書起草指南.第1節:規定特性
  14. Abstract : burrowing behaviors of the plateau zoko rs ( myospalax bailely ) in rel ation to soil hardness were investigated by using radio - telemetry at haibei alp i ne meadow ecosystem research station, qinghai, china

    文摘:採用無線電遙測法在中國科學院海北高寒草甸生態系統定位站對高原鼢鼠的挖掘行為及其與土壤硬度的關系進行了研究。
  15. ( 3 ) the features of the low frequency time - code receiver are digital, high performance and high precision. on the basis of the testing flat of low frequency time - code, we designed a low frequency time - code receiver based on software radio

    在前面已經實現的低頻時碼信號測試平臺的基礎上，對設計一種基於軟體無線電模式的低頻時碼接收終端作了初步的探討，為今後的全數字化接收機的實現打下一定的基礎。
  16. Household high - fidelity audio equipment and systems - methods of measuring and specifying the performance - fm radio tuners

    家用高保真音響設備和系統.性能檢測和規定的方法. fm無線電調諧器
  17. Household high - fidelity audio equipment and systems. methods of measuring and specifying the performance. part 2 : fm radio tuners

    家用高保真聲頻設備和系統.性能規定和測量方法.第2部分: fm無線電調諧器
  18. Radio interference characteristics of overhead power lines and high - voltage equipment - methods of measurement and procedure for determining limits

    架空線和高壓電器無線電干擾特性.第2部分:極限值測定程序和方法
  19. This is found by observing the doppler shift in the frequency of the radio signals broadcast from the satellite.

    這是通過觀測衛星所發射的無線電信號頻率中多普勒偏移來確定的。
  20. Radiodetermination - satellite service

    衛星無線電測定業務
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