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- After presenting an introduction of digital watermark,this article put s emphasis on analysing exploiting techniques and virtues of spread spectrum technique in digital watermark. 对数字水印技术原理作了一般概述;重点讨论了扩频技术应用到数字水印技术中的方法和优点.
- Multicarrier CDMA is the combination of spread spectrum technique and multicarrier technique, being focused on in communication field in these years. 多载波CDMA技术是是近年来通信界研究的热点问题,他将扩频多址技术与多载波技术有机的集合起来。
- The generating of pseudo random sequence is one of the key subjects to realize the spread spectrum technique upgrade for BPC low frequency time code radio station. 伪随机序列的产生是实现BPC低频时码发播台扩展频谱技术升级的一个重要环节。
- Analog UWB Impulse Radio Using Time-Hopping Spread Spectrum Techniques 采用跳时扩频技术的模拟超宽带冲激无线电
- Watermarking based on spread spectrum technique 基于扩频通信的数字水印
- A kind of power line modem based on the spread spectrum technique 一种基于扩频技术的电力线调制解调器
- Blind watermarking based on spread spectrum technique 基于扩频技术的图像盲水印
- It uses spread spectrum technology. 它使用扩频技术。
- Wireless Spread Spectrum Communication and Its. 无线扩频通信及其应用。
- Study of Spread Spectrum Receiver. 扩频接收机的研究。
- Study on Frequency Spectrum Detail Analysis Based on Spread Spectrum Technique 基于扩频技术的频谱细化分析方法研究
- Adaptive Ultrasonic Distance Measurement Based on Spread Spectrum Technique 超声波扩频测距及其信道自适应均衡技术
- spread spectrum techniques 扩频技术
- A new chaotic spread spectrum communication system FFH-FMDCSK is presented, which is based on FMDCSK and fast frequency hopping techniques. 本文提出一种基于差分混沌频率调制(FMDCSK)的快速跳频扩谱通信系统(简称FFH-FMDCSK)。
- Fast Acquisition for Distance Measurement with Spread Spectrum Technique Based on FPGA 基于FPGA的扩频测距快速捕获方法研究
- A Method for Power Line Carrier Communication by Software Spread Spectrum Technique 一种软件实现电力线载波扩频通信的方法
- Synchron ization is one of the key techniques in spread spectrum communication systems.The paper proposes a synchr onization scheme suited for common simulation software. 同步是扩频通信的关键技术之一,本文针对直扩系统,给出了一个利用通用仿真软件包对其进行仿真的方案。
- Application of M-ary Coding Spread Spectrum Technique in Wireless Communication System 高速多进制编码扩频技术在无线电通信系统中的应用
- Firstly, this thesis briefly introduces the spread spectrum communication systems and the developing narrowband interference suppression techniques at present. 但在一些强干扰情况下,不得不借助于信号处理技术来提高系统的性能,以弥补扩频增益的不足。
- Watermarking Algorithm of Color Digital Image Based on Spread Spectrum Technique 基于扩频技术的彩色数字图像水印算法