高衰減帶 的英文怎麼說

中文拼音 [gāoshuāijiǎndài]
高衰減帶 英文
zone of high attenuation
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 衰動詞(衰弱) decline; wane
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. At present, the solar cells used on space aircrafts are still mainly si and gaas solar cells. however, the radiation resistance ability of these two materials is poor. since the photoelectric conversion efficiency attenuates rapidly with the radiation, the lifetime of si and gaas solar cells is short and their stability is not satisfied for space applications at van allen belt

    目前國內外用於航天器上的太陽電池主要為si和gaas太陽電池,但這兩種材料的抗輻射能力較差,其光電轉換效率由於空輻射很快,因而壽命短,穩定性差,不能滿足用於vanallen強輻射的空間應用需要。
  2. 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速的數據流,變換成并行的低速數據流,小了數據寬,從而可將無線環境中的多徑落(頻率選擇性率落)轉換成平坦落。
  3. 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,有效輸出信號的內量化噪聲,提了輸出內信噪比( snr ) 。
  4. 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、抗技術,可在限通道中質量的傳輸語音、遠動數據和遠方保護等信號,具有較的整體性能。
  5. The performance of filters is not very good. the attenuation of stop - band is almost - 44db. the performance cannot satisfy the requirement for some application situation

    其阻大約在- 44db ,對於一些對濾波器阻性能要求較的應用場合,這個數值是達不到要求的。
  6. High speed, high damping factor, with reduce / gain, full protect system, special heat radiator, excellent components. it can work at 2, 4, 8

    本機其特性為速度、阻尼系數、/增益切換等等功能、完整的保護系統,獨特的散熱設計,精良的元件,可輕松承受2 4 6 8負載。
  7. The research of electromagnetic missile and the slow - decay effect is the advanced task of the electromagnetism, which can be widely used in many fields : ultra - wide radar, ultra - wide secrecy communication, high - power microwave and etc. the detailed analysis of the slow - decay effect of pulse propagation is presented in this paper

    電磁導彈及有關慢電磁波的研究是當前電磁學的前沿課題之一,其應用領域十分廣泛,如超寬頻雷達、超寬保密通信和能微波等。本文對脈沖傳播慢特性進行了詳盡分析。
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