; ; ; 此依法规的范围是指凡UHF RFID 采用跳频系统（Frequency hopping systems）或数字调变技术（Digitalmodulation techniques），提供射频识别用途之器材，频率范围在922-928MHz，皆可适用此规范向电信总局申...
基于44个网页-相关网页
快速跳频系统 FFHS ; Fast Frequency Hopping
快跳频系统 Fast frequency-hopping system
蓝牙跳频系统 Bluetooth frequency hopping system
短波跳频系统 Short-wave Freqency-Hopping System
短波自适应跳频系统 Short wave hopping communication system
跳频通信系统 Frequency hopping communication system
跳时扩频通信系统 TH-SS
短波跳频通信系统 Short wave hopping communication system
The core of a frequency hopping system is the frequency synthesizer.
在跳频系统中，频率合成器是核心部件。
参考来源 - 软件无线电中跳频的研究与硬件实现The frequency-hopping system which based on DDS can change its frequency by changing its frequency control word.
跳频系统以DDS为核心,通过改变频率控制字实现跳频。
参考来源 - 基于FPGA的FHBased on MATLAB to improve the methods of simulation for random sequence,DS-SS,FH-SS is analysed detailed,and simulation result is also present,At last,some merit of teaching is simply introduced.
在详细分析利用MATLAB实现伪随机序列、直接序列扩频系统、跳频系统仿真方法基础上,给出了仿真图。
参考来源 - MATLAB在《扩频通信》教学中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
快跳频系统指每秒频率跳变在一千次以上的跳频系统。
Fast frequency hopping system is the system whose hop rate is above one thousand per second.
首先给出了跳频系统的绝对密钥量和相对密钥量、等间隔和非等间隔跳频系统等定义；
Firstly, the definitions of absolute and relative key amounts of FH systems, equal-interval and unequal-interval FH systems are given.
鉴于自适应跳频系统的良好抗干扰性能，提出了一种自适应跳频卫星通信系统的设计方案。
For the good antijamming performance of the adaptive frequency hopping system, the design project of the (adaptive) frequency hopping satellite communication system is put forward in this paper.
应用推荐