time hopping spread spectrum

In order to reduce the interference to other communications systems during transmission, the method of spread spectrum is proposed, including the time hopping and direct sequence.

为了减小在传输过程中对其他通信系统产生干扰，提出了频谱扩展的方法，包括时间跳跃和直接序列。

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In this paper, the multiple access performances of spread spectrum with chaotic sequence and that with pseudo-random sequence, pseudo-( chaotic) time hopping and conventional time hopping are compared, in terms of theoretical analysis of bit error rate, simulation results and the receiver.

从误码率理论分析、性能仿真和接收机结构等几个方面对混沌序列扩频与伪随机序列扩频、伪混沌跳时与传统跳时多址接入方式进行比较研究。

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The traditional anti-jamming techniques-such as High-speed Frequency Hopping Technology, Spread Spectrum Coding Technology and Time Hopping Technology-are based on the degree of freedom in the frequency domain, or time domain to get the improvement of the anti-jamming performance.

传统的抗干扰技术例如高速跳频，扩频编码以及跳时技术都是分别以频率域，时间域上的自由度资源为基础来获得抗干扰性能的提升的。

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