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- Fast frequency hopping avoids interference. 快速跳频避免干扰。
- Fast frequency hopping avoids interference Adaptive output power minimizes interference Short data packets maximize capacity during interference. 快速跳频避免干扰可变的电源输出使干扰减小到最小采用短数据包传输增强抗干扰能力。
- Meanwhile, synchronization is also the difficulty of the development of FH system, which needs supplicated design especially in the fast frequency hopping(FFH). 同时跳频同步也是跳频通信系统开发的难点,特别在高跳速工作时实现同步捕获和跟踪需要精心设计方案。
- The performance of Turbo coded optical fast frequency hopping CDMA network(FFH OCDMA) using binary PPM modulation(BPPM) was analyzed. 在不考虑噪声和仅考虑散粒噪声两种情况下 ;分析了 Turbo码对二进制脉冲位置调制( BPPM)的快跳频光码分多址 ( FFH OCDMA)系统性能的影响 ;并对该系统进行了数值模拟 .
- 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)。
- FFH-OFDM combines fast frequency hopping (FFH) with regular OFDM symbols, and it shows better performance in anti-fading of time-varying multi-path. 摘要快速跳频正交频分复用(FFH-OFDM)在常规的OFDM符号中加入快速跳频预编码矩阵(FFH)，使其在多径时变的衰落环境下具有良好的抗衰落性能。
- Design criteria for such signal source are derived, upon which one can choose the PLL loop bandwidth by trade-off considerations, to get a relatively low BER, simultaneously obtain low spurious output and fast frequency hopping as well. 为了减小相噪对系统性能的影响，导出了此类信号源的设计判据，据此可基于折衷考虑选取环路带宽，以便同时获得较低的误码率，以及低的寄生输出和较快的频率跳变速度。
- fast frequency hopping synthesizers 快速跳频源
- MICROPROCESSOR USED FOR THE CONTROL OF FAST FREQUENCY HOPPING PATTERN 微处理器用于快跳频图案控制
- Fast Frequency Hopping(FFH) 快速跳频
- fast frequency hopping [计] 快速调频
- Very Fast Frequency Hopping 甚快频率跳跃
- Fast Frequency Hop 快速跳频
- The HF fast adaptive frequency hopping communication is a new developing direction in the field of military anti-jamming communication foV tactics application. 短波快速自适应跳频通信系统是军事通信领域战术抗干扰通信新的发展方向。
- 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。
- Frequency agile radar synthesis detection unit works in frequency hopping state in RF band. 频率捷变雷达综合测试仪工作在射频段捷变状态。
- Includes Advanced Frequency Hopping technology to better co-exist with WiFi networks. 包含高级频率跳跃技术,可以与WiFi网络更好地并存。
- 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。
- The main work of this paper is realizing a self-adaptation frequency hopping station adapting to new military requisition. 本文的工作就是在软件无线电的架构下实现一种适应现代军事新要求的自适应跳频电台。
