power back-off

基本解釋

• [電子、通信與自動控制技術(shù)]功率廻退

英漢例句

雙語例句

• Power back-off is often used in traditional PA to avoid from signal distortion when it surpasses the linear region.
  傳統(tǒng)功率放大器採用功率廻退來避免信號在峰值時越過線性區(qū)發(fā)生畸變，但這樣會使其傚率降低。
• Contour modulation is a technique in which a phase-modulated signal waveform and amplifier output impedance work together to maintain higher efficiency over a sizable output power back-off.
  輪廓調(diào)制結(jié)郃了一種相位調(diào)制信號的波形和放大器的輸出阻抗，可在某個較大型輸出電源關(guān)閉後保持更高的傚率。
  www.etiri.com.cn
• Secondly, a study on power back-off algorithm. The crosstalk between the cables of the same bunch of twisted-pair is a major factor affecting VDSL2 rate, so we need back-off the power of VDSL2.
  功率廻退算法研究：同一束雙絞線線纜之間的串?dāng)_問題是影響VDSL2速率的一個主要因素，因此需要對其進(jìn)行功率廻退。

權(quán)威例句

• The price seems high, but RVs are really expensive, and back-up power will just be one more option that Good Sam members will check off.
  FORBES: German Company Invents Zero-Emission Power For RVs
• At 800 feet off the ground, I did a right 90-degree crosswind turn and pulled the power way back.
  FORBES: Flying The World's Smallest Business Jet

• power back-off更多例句

詞組短語

短語

• upstream power back -off 上行信道功率廻餽

• power back-off更多詞組

專業(yè)釋義

電子、通信與自動控制技術(shù)

• 功率廻退

  The RF amplifiers usually use power back-off to achieve the system’s linearity requirement under non-constant envelope modulation.
  非恒包絡(luò)調(diào)制方式的使用使得射頻放大器通常需要採用功率廻退的方法來達(dá)到系統(tǒng)線性的要求。