spread spectrum

基本解释

• [电子] 扩展频谱

英汉例句

双语例句

• Moreover, many modern radio devices (such as mobile phones) rely on a technique called “spread spectrum” encoding.
  而且，现在（使用的）无线电通讯装置（比如手机）所依赖的主要是一种叫做“扩展频谱”的通讯编码方式。
• It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
  主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
• Also, 802.11 maintained compatibility with the three most popular radio transmission types: direct sequence spread spectrum, frequency-hopping spread spectrum, and infrared.
  11也保持了与三种最流行的无线电传输方式（直接顺序扩频、跳频扩频和红外线）的兼容性。

权威例句

• Main.net uses a related technology called direct sequence spread spectrum, or DSSS, to send its signals down the power line.
  FORBES: Technology
• As you have said, in 1940 Hedy Lamar (Obituary, January 29th) and a film-score composer, George Antheil, developed the technology, then called spread spectrum.
  ECONOMIST: Letters The

• spread spectrum更多例句

词组短语

短语

• spread -spectrum system 扩频通信系统
• Spread -Spectrum Transponder 扩频应答机
• spread clutter spectrum 扩展谱杂波
• Spread sequence spectrum system 扩频体制

• spread spectrum更多词组

专业释义

电子、通信与自动控制技术

• 扩频

  Spread spectrum technology made it possible for greater spectrum sharing.
  扩频技术为共享频谱提供了可能。

• 扩谱

  Spread spectrum communication systems often suffer strong narrowband interferences resulted from various factors.
  在扩谱通信系统中,常常因为各种原因而遭遇较强的窄带干扰。

• 展频
• 扩展频谱
• 扩散频谱

计算机科学技术

• 扩频

  Spread spectrum technology is used to improve the security of watermark sequences.
  采用扩频技术提高水印序列的安全性。

• 扩展频谱

  A steganalysis algorithm that estimates the secret key used in sequential steganography of spread spectrum embedding is proposed.
  论文提出了一种针对图像扩展频谱序列隐写的密钥估计算法。

• 扩谱
• 展频
• 展开频谱