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.

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It does net work with frequency - hopping or infrared transmissions.

不能用跳频或红外线传输方式工作.

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Fast frequency hopping avoids interference.

快速跳频避免干扰.

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Spread - frequency communication is a new kind of techniques one of which is Frequency - hopping ( FH ) .

扩展频谱通信 是一种新的通信方式.跳频通信是 扩展频谱通信 中的一种.

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An acquisition method of frequency hopping signal in a TDMA system is presented in this paper.

本文提出一种时分多址跳频信号的捕获方法.

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This paper discusses a new algorithm to generate wide gap differential frequency hopping code sequence.

本文介绍了一种新的宽间隔的差分跳频序列生成方法.

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It has important significance to recognizing HF communication and frequency agile radar on theory and essence.

这对从理论上认识跳频通信和捷变频雷达跳频码的本质,具有重要的理论意义.

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The frequency hopping technology has very strong anti - jamming performance , it is very applicable for tactical radio.

跳频技术具有很强的 抗干扰性能, 非常适用于战术电台.

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A solving plan of prediction of frequency - hopping signals - the RBF neural network is presented.

提出了一种跳频信号频率预测的解决方案———RBF神经网络.

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FH - OFDM is a technology that combines frequency - hopping ( FH ) and Orthogonal Frequency Division Multiplexing ( OFDM ) .

跳频 - 正交频分 复用系统 是一种把跳频通信和正交频分复用相结合的技术.

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It inherits the anti multipath fading ability of OFDM systems and anti - interference of FH technology.

它同时兼有正交频分复用系统能有效对抗多径衰落和跳频技术抗干扰性能好的优点.

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The simulation results show that the algorithm meets the requirements of FH communication systems.

仿真结果表明,该算法满足跳频通信系统的要求.

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The synchronization system of Frequency - Hopping ( FH ) station requires well anti - jamming and security performance and quick synchronization.

跳频电台同步系统要求具有良好的 抗干扰性能 和保密性能,同时达到快速同步.

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Differential Frequency Hopping ( DFH ) is a new type of frequency hopping communication technique.

差分跳频是一种新型的跳频通信技术.

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The generalized constellation makes MLDA possible and can be applied to demodulation of frequency - shift - keying communication system.

广义星座图不仅使差分跳频接收机最大似然序列检测成为可能,而且适用于采用频率来荷载信息的通信系统的符号或序列检测.

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