衰減信號 的英文怎麼說

中文拼音 [shuāijiǎnxìnháo]
衰減信號 英文
fading signal
  • : 衰動詞(衰弱) decline; wane
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. Two color pyrometers were developed to solve the problem of signal attenuation by intervening smoke or fumes.

    為了解決由煙或氣所引起的問題,研製出了雙色高溫計。
  2. The beacon will have a limited beamwidth and if the body-to-beam angle exceeds this a serious loss of signal will result.

    這個標器的波束寬度有限,如果彈體波束角超過了它,就會發生嚴重的
  3. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩器由寬帶放大器、可調器和聲表面波質量傳感器件構成。延遲線振蕩器輸出經濾波后與109mhz的本機晶體振蕩器輸出相混頻,通過低通濾波取其差頻,並經整形後由數字處理電路處理。
  4. Asynchronous transmission sequential circuit

    傳送
  5. The key technique include nip signal ' s generation, serial port 422 communication, control system data acquisition and processing, stationary wave ratio of antenna, sending and receiving signal ' s attenuation of antenna and so on

    其關鍵技術包括nip產生, rs - 422串口通,控制系統各模塊數據採集和處理,機載天線駐波比及收發測量等。
  6. Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram

    通過光功率計對每條光纜中的備用光纖進行實時的監控,測試光功率的值,主控計算機不斷循環的對每個光功率模塊進行數據採集,並記錄每路光的光功率值,然後進行分析處理,如發現達到設定的光功率門限值就報警,並控制光開關的切換,將故障光纜中的另一備用光纖與otdr卡連接,通過otdr卡對該光纖進行測試,從而確定故障點。
  7. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的,其中水汽效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲不同和雷達反射率的很大差異,導致雷達回波強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強的作用, 94ghz雷達回波小於37ghz雷達; ( 4 )從大氣的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體訂正;因濃厚雲的強作用,探測其中下部的能力大大弱,不僅要進行訂正,而且要藉助其他息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  8. Great intermittent noise, wide variety of impendence along with the load and great attenuation of signals have restricted the further utilization of power line

    但是,電力線通通道存在間歇性噪聲大、阻抗隨負載變化大、大等缺點,嚴重製約了它的有效利用。
  9. 3. the new microwave power supply ( mps ) can work in vacuum and its power measurement is convenient. the output power could be adjusted with the change of control voltage, and the reflecting power could be gotten by measuring the output voltage of attenuator and detector

    ( 3 )可在真空下穩定工作的新型微波源功率的測量較為方便,通過改變控制電壓的大小可以調節輸出功率,通過測量檢波器的輸出電壓可實現反射功率的測量。
  10. Circuit analysis sub - system adopts the newly advanced methodology, circuit topology analysis, and circuit sensitivity analysis to generate layout constraints and control performance degradations

    電路分析子系統採用新提出的流分析方法再結合已有的電路拓撲分析和電路靈敏性分析方法生成布圖約束控制電路性能的
  11. To ensure the reliability of tracking the target, signal attenuation and boresight error must be predicted accurately

    要保證導彈跟蹤目標的準確性,必須預測在給定掃描角下的和瞄準誤差。
  12. One of the key technologies of deep space communication is channel code. there are differences between deep space communication and the common space communication. because the former one has some characteristics, such as extending information transmission, and seriously reducing signal energy, it is necessary to ensure the information transmission band and the exactness by using the special means

    通道編譯碼是深空通中的關鍵技術之一,深空通與一般的空間通不同,深空通具有息傳輸時延大、能量嚴重等特點,必須有特殊的手段保證其息傳輸的帶寬和準確。
  13. The mathematic models of sampling and reconstruction are analysed respectively, and an important conclusion is got, that oversampling can decrease high frequence distortion of d / a output signal and the difficulty of designing lowpass filter. as a result the signal quality is improved

    分析了采樣和重構的數學模型,得出了一個重要結論:過采樣可以少d / a輸出的高頻端失真,可以降低低通濾波器的設計難度,從而提高波形質量。
  14. The attenuators and the sensitivity of detectors are calibrated in varied frequencies. the attenuation of the cable is also calibrated

    對晶體檢波器在不同頻率下的礦靈敏度進行了測定;對同軸線的量瓣行了標定。
  15. To obtain an accurate measure of the precessional rate one has to attenuate the signal proportional to torquing current by cosβ.

    為了準確測量進動角速度,必須使與加矩電流成比例的cos倍。
  16. The main cause of signal ' s decrease in infrared channel of spacecraft flying remote sensing instrumentation is water vapor deposition on the surface of low temperature optical instruments which released from materials

    摘要空間遙感儀器紅外通道的,人軌初期的主要原因是由於材料釋放的水汽在低溫光學窗口表面沉積,導致紅外透射率降低所致。
  17. Sigma - delta modulator, combined with oversampling, effectively attenuate the in - band quantization noise in the output signal and enhance the signal - to - noise ratio ( snr ) through the shaping of the quantization error

    調制器與過采樣相結合,對量化誤差噪聲進行整形,有效輸出的帶內量化噪聲,提高了輸出帶內噪比( snr ) 。
  18. This can be a complex process that includes choosing appropriate signal conditioners, isolation circuitry, filtering, scaling, formatting, etc

    這可能是一個復雜的過程,包括選擇合適的調理裝置、隔離電路、濾波、、格式化,等等。
  19. Text the range of gps receiver rf input signal, simulate cable loss of signal strength etc

    Gps接收機rf輸入范圍測試模擬電纜線等。
  20. In this paper, we analyzed the theory of several linear methods for the pole extraction, such as prony method, kt method and matrix pencil method. then, numerous results based on scattering responses synthesized from weighted sums of two exponentially damped sinusoids are provided to compare theirs performance

    本文主要分析了幾種極點求解線性演算法? ? prony法、 kt法、矩陣束法的基本原理,並比較了這幾種演算法對于只含兩個指數衰減信號模型參數估計的模擬結果。
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