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1·It USES spread spectrum technology.

它使用扩频技术。

2·Proposes a new lossy robust spread spectrum watermark algorithm.

提出了一种新的无失真鲁棒扩频水印方法。

3·Spread spectrum has two distinct flavors: direct sequence and frequency hopping.

该技术有两个明显的变型：直接顺序与跳频。

4·There are several difficult problems in the research of spread spectrum FH/DS system.

在研制扩展频谱FH/DS系统时，会遇到一些很困难的问题。

5·The near field spread spectrum ranging algorithm based on software radio is investigated.

对基于软件无线电的近距离扩频测距算法进行了研究。

6·First, the basic principles of power line communication and spread spectrum are introduced.

论文首先介绍了电力线载波通信和扩频技术的基本原理。

7·The paper finally gives an example of spread spectrum technology in data transfer in Shanghai.

最后举例说明扩频技术在数据传输中的应用。

8·An adaptive acquisition strategy for slow frequency hopping spread spectrum system is proposed.

提出了一种应用于跳频扩频系统的自适应捕获策略。

9·Direct sequence spread spectrum communications is one of the most typical spread spectrum modes.

其中直接序列扩频通信是目前使用最典型的扩频工作方式。

10·Methods and systems for time synchronizing a receiver to a spread spectrum signal are described.

本发明描述了接收机与扩频信号进行时间同步的方法和系统。