您要查找的是不是：
- 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 paper deals with how to achieve Frequency-synthesis Technology of Frequency Hopping Communication System based on FPGA. 摘要文章探讨了一种基于FPGA的跳频通信系统频率合成技术实现方案。
- Synchronization of frequency hopping is achieved by adopting a method combined synchronization-head and time of day(TOD). 采用同步字头和时间信息TOD相结合的方法实现跳频同步。
- In order to enhance security of underwater communication, a method to realize the pattern of frequency hopping is proposed. 为了提高水声通信的保密性能,提出了一种简洁的混沌跳频图案实现方法。
- On the basis of introducing the basic principles of DFH, the process of frequency hopping is modeled as the homogeneous Markov chain. 本文在介绍差分跳频基本原理的基础上，将差分跳频的频率跳变过程建模成齐次马尔可夫链。
- Abstract: The signal character of frequency hopping radar seeker and the basic method for emulating the RF environment of frequency hopping radar are described. 文摘:介绍了捷变频雷达导引头的信号特征和对捷变频雷达射频环境仿真的基本方法。
- There is a map of the world on the wall. 墙上有张世界地图。
- On the basis of the analyzing of frequency hopping multiple access (FHMA) signals, a blind multi-user detection based on kurtosis is proposed in colored noise. 通过分析跳频多址信号，提出了高斯有色噪声背景下的一种基于峭度的跳频盲多用户检测算法，它几乎不需要任何关于有色噪声的先验信息。
- Jim, have you get a detailed map of the area? 吉姆，你有这个地区的详细地图吗？
- She was poring over an old map of the area. 她正在仔细查阅该地区的旧地图。
- The number of frequencies used in the baseband hopping frequency hopping sequence is the same as the number of carriers in the sector. 基本频带跳频的跳频序列中的频率数量与扇区中载波的数量相同。
- Based on Software Defined Radio (SDR) technology, the architecture uses a Direct Digital frequency Synthesizer (DDS) to implement demodulation and modulation of Frequency Hopping (FH) signal. 实验台的构成遵循了软件定义无线电思想，采用了数字直接频率合成器来实现跳频信号的调制和解调。
- The figure on page 22 shows a political map of Africa. 第22页的插图是非洲的政区图。
- The old man's face is a map of time. 那老人脸就是岁月的写照。
- Emulation of Frequency Hopping Signal 跳频信号的仿真模拟
- The Technique of Frequency Hopping Signal 跳频信号的时域加权技术
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- She is poring over an old map of the area. 她正在仔细查阅该地区的旧地图。
- interception of frequency hopping (FH) signal 跳频信号截获
- Drew a map of the area; drawing landscapes and still lifes. 绘制该地区的地图; 描绘风景与静物
