采用短码携带同步信息，克服了快速跳频难以携带相关码的困难。
The synchronization information is carried by short code, which overcomes the difficulty of correlation code transmission in fast frequency-hopping.
系统地研究了快速跳频PLL中杂散来源，给出了环路杂散模型，定义了杂散抑制比。
The sources and effects of spurs in a rapid frequency-hopped PLL are investigated, a model for analyzing spur effect is developed, and the spur suppression ratio is defined.
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。
Fast frequency hopping avoids interference Adaptive output power minimizes interference Short data packets maximize capacity during interference.
利用电力系统三相交流电压过零点和高速数字频率合成器解决了跳频系统中同步和快速频率合成的两个关键问题。
The zero-crossings of the AC voltage and digital frequency synthesizer are used in solving the two main problems in frequency hopping system-synchronization and fast frequency synthesizing.
研究一种跳频通信机低杂散、低相噪快速捷变频率合成器的实现途径。
An approach of a low spurious, low phase noise, agile frequency synthesizer was presented.
为了快速准确地设计并制作恒带宽窄带集总跳频滤波器，提出了一种随频率变化而 变化的负载结构。
For fast and accurate design and production of lumped constant bandwidth frequency-hopping(FH) narrowband filter, a load structure changing with frequency is introduced.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法，实现了跳频频率和码速率等参数的高精度估计。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法，实现了跳频频率和码速率等参数的高精度估计。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
应用推荐