調制衰減數 的英文怎麼說

中文拼音 [diàozhìshuāijiǎnshǔ]
調制衰減數 英文
modulation reduction indices
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 衰 : 衰動詞（衰弱） decline; wane
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. And the most advantage of ofdm is that it can convert high - rate data stream into the low - rate and reduce data bandwidth so that multi - path - fading can be transformed into flat fading in wireless circumstance

    這種調制技術的最大的好處就是將高速的數據流，變換成并行的低速數據流，減小了數據帶寬，從而可將無線環境中的多徑衰落（頻率選擇性率落）轉換成平坦衰落。
  2. By using the waning curve method, an adjustment method of the single circuit control system adjuster parameters is obtained

    利用衰減曲線法，得出單迴路控制系統調節器參數的整定方法。
  3. This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel

    該系統綜合應用了低比特率語音信號壓縮編碼技術、基於電力通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和抗干擾、抗衰減技術，可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號，具有較高的整體性能。
  4. Based on priestley ' s evolutionary spectrum theory, an evolutionary process modulated by decline composite exponential function, is investigated as one kind of non - stationary excitation commonly encountered in engineering, the analytical solution of the response properties is gained due to proper simplification

    基於priestley的演變譜密度理論，對于工程中常用到的衰減指數函數調制的演變過程激勵，可以通過對結構響應的合理簡化，得到響應特徵的解析形式。
  5. In order to find out the cytoplasmic and nuclear mechanisms regulating meiosis and the relations between meiotic errors and age - associated changes in the oocytes, gvs were exchanged between gv oocytes from different age groups of mice

    同時，在年輕小鼠的gv期卵母細胞與不同年齡段小鼠的gv期卵母細胞之間進行gv互換，以探討細胞核與細胞質調控減數分裂的機制以及減數分裂錯誤與卵母細胞衰老相關變化的關系。
  6. This dissertation researches on wavelet theory applied to information transmission, including cdma spreading code design, waveform coding in digital modulation, over - saturated multi - access communication, diversity techniques for multi - path fading channels, and peak - to - average power ratio ( papr ) reducing methods for the wavelet packet modulation signals, etc.

    本文以子波理論為工具，較深入地研究了通道傳輸方面的幾個問題，內容包括cdma擴展碼的設計、數字基帶波形成形技術、過飽和多址通信、克服衰落的分集技術和減小子波包調制信號的峰值功率/平均功率比值的方法等。
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