spread spectrum

常见例句

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。

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 was first used by the allies in the Pacific campaigns of the second world war, where it foiled Japanese attempts to jam radio-controlled torpedoes.
ECONOMIST: Letters