radio signal 中文意思是什麼

radio signal 解釋
無線電臺信號
  • radio : n. 1. 無線電訊[電報，電話]；無線電，射電。2. 無線電廣播；無線電（廣播）臺。3. 收音機。vt. ,vi. 用無線電傳送[廣播]；（向…）作無線電廣播[傳送]；用X射線拍照；用鐳醫治。
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  1. It sent out a powerful radio signal that cut off the chatterer ' s cellphone transmission ? and any others in a 30 - foot radius

    它發出了強烈的無線電信號，切斷了說話人的手機信號- -以及其他人的- -在30英尺的半徑內。
  2. A second part is the transmission link-a radio signal.

    第二部分是傳輸線路--無線電信號。
  3. Due to the hardware characteristic ' s limitation, such as the poor speed of a / d, d / a conversion and dsp process, the most part of sr system adopt middle course. that is to say, by using the special digital converter or running relevant arithmetic, it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "

    由於受到硬體性能如a d 、 d a及dsp晶元處理速度的限制，目前的軟體無線電系統多採用折中的實現方案，增加專用的數字變頻器或者運行數字變頻演算法，將射頻信號變頻到中頻，然後再進行基帶信號處理，這樣的軟體無線電系統又被稱之為「軟體定義無線電」 ，它並不是真正意義上的軟體無線電。
  4. Supervise the implementation of detailed network optimization, such as : network performance indicators analyzing, signaling trace, parameters and handover relationship checking, sites and hardware detecting, radio signal coverage and interference problems solving etc, in order to improve the whole network service quality

    負責具體優化措施實施，如進行話務指標分析，信令跟蹤，參數及切換關系檢查，站點及硬體故障檢查，信號覆蓋及干擾問題檢查等等，以提升整體網路服務質量
  5. The explosives in challenger's self-destruct system might have been set off by a stray radio signal.

    「挑戰者」號的自毀裝置中的炸藥可能是由偶然出現的無線電信號引起爆炸的。
  6. An electronic device that converts one frequency of a radio signal to another

    變頻器將無線電訊號從一種頻率轉換成另一種頻率的電子裝置
  7. In wcdma system which uses direct sequence to spread spectrum, the spread spectrum code ( pn code ) phase of the receiver must be synchronized with that of the received signal precisely to despread and demodulate the signal correctly. multipath channel exists in the mobile communication environment for the radio signal reflection by obstacles between transmitters and receivers. by using the autocorrelation of the spread sprectrum code, rake receiver can process received signals and therefore multipath components can be resolvable

    在wcdma系統中，為正確解擴解調接收到的擴頻信號，接收機本地產生的擴頻碼（ pn碼）相位必須和接收信號中的擴頻碼相位完全同步;同時移動通信環境中的傳輸信號由於接收機和發射機之間的直達路徑有可能被建築物或其他障礙物所阻礙，總是經過折射或反射的多條路徑后才到達接收機，從而產生多徑通道。
  8. This radio signal has a frequency of 800000 cycles per second

    這個無線電訊號的頻率是每秒八百千周。
  9. The new positioning system which employs three geostationary satellites emitting radio signals to users just like the gps satellites do, and allows the users receiver to solve position based on the received radio signal as well as the reading of electronic map, the drawbacks of double - star navigation system are overcome

    三顆同步導航衛星像gps衛星那樣向用戶播發導航電文，用戶接收機根據這些導航電文信息以及電子地圖高程數據，像gps接收機那樣解算用戶位置，從而克服了雙星定位的兩大缺陷。
  10. Efforts must be made to accelerate the establishment of a radio management technology system in beijing, to improve the overall capability of spectrum management, radio signal monitoring, interference analysis and radio equipment testing

    加快構筑北京市無線電管理技術支撐體系，全面提高頻譜管理、無線電信號監測、干擾分析和無線電設備檢測能力。
  11. This radio signal has a frequency of 200, 000 cycles per second

    這個無線電信號的頻率是每秒200 ， 000周期。
  12. 8 as a satellite passes overhead, it sends out a radio signal that can be detected by a receiver in a car ' s computer

    衛星從高空經過時發出能被汽車上計算機里的接收器辨認的無線電信號。
  13. We couldn ' t locate the source of the radio signal

    我們無法確定無線電信號的來源。
  14. A second part is the transmission link - a radio signal

    第二部分是傳輸線路- -無線電信號。
  15. We ' re trackingyour radio signal right now

    我們正在追蹤你的無線電信號
  16. This paper makes out the sampling frequency of bandpass sampling theorem, reduces the data rate after the sampling of broadband software radio ( signal bandwidth is 20 mhz ) and raises information processing speed

    本文確定了按帶通采樣定理采樣的頻率，降低了寬帶軟體無線電（信號帶寬為20mhz ）采樣后的數據率，提高了信息處理能力。
  17. Throughout the descent, shifts in the frequency of the probe ' s radio signal will be monitored to infer the strength of titan ' s winds, and the huygens atmospheric structure instrument ( hasi ) will measure temperature, pressure and electrical fields that could indicate the presence of lightning

    下降過程中將持續監測探測器無線電訊號的頻移，以推算土衛六風場強度；而惠更斯大氣結構儀（ hasi ）會量測溫度、氣壓以及可能顯示閃電是否存在的電場。
  18. To despread and demodulate the signal correctly in the spread spectrum system, the pn code phase of the receiver must be synchronized with that of the input signal precisely. multipath channel exists in the wireless environment for radio signal reflection by obstacles between transmitters and receivers

    在擴頻通信系統中，為正確解擴和解調接收到的擴頻信號，接收機的pn序列相位和接收信號的pn序列相位必須完全同步；同時移動無線環境中的傳輸信號總是被收發信機之間的許多障礙物所反射，從而產生多徑通道。
  19. The maximum extent or distance limiting operation, action, or effectiveness, as of a projectile, an aircraft, a radio signal, or a sound

    射程，音程導彈、飛行器、無線電信號或聲音等所能達到的限制運行、行動或效果的最大范圍
  20. The transponder detects incoming radar signals and broadcasts an amplified, encoded radio signal in the direction of the detected radar wave

    這個裝置將檢測接收到的雷達信號，並向收到信號的方向發射大波幅編碼雷達信號。
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