local oscillation meaning in English
【物理学】本机振荡。
Examples
- The authors also indicate that the local oscillation is worthy of consideration too
风应力异常的局地振荡对elnino lanina现象的影响也不应忽视。 - The experimental result expresses that the frequency doubler - power amplifier sets of ka - band can supply good local oscillation source for " millimeter - wave front - end of " lmds " " . the model has the advantages of low cost , small size and high reliability
实验结果表明，倍频放大组件能够为lmds毫米波前端提供很好的本振源，并且具有成本低、体积小、可靠性高等优点。 - Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters , local oscillation ( lo ) frequency , bandwidth of lo frequency under the condition that receiver configuration , sensitivity , dynamic range , instantaneous bandwidth and precision of frequency measurement are fixed
摘要针对跳频接收机的体制和灵敏度、动态范围、瞬时工作带宽、测频精度等设计参数，通过改变预选器组成、本振频率和本振带宽，分析接收信道的中频选取原则，以实现跳频接收机的互调抑制设计。 - Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device . after output signal of delay line oscillator is smoothed , it mixes with 109mhz local oscillation signal . its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit
延迟线振荡器由宽带放大器、可调衰减器和声表面波质量传感器件构成。延迟线振荡器输出信号经滤波后与109mhz的本机晶体振荡器输出信号相混频，通过低通滤波取其差频，并经整形后由数字信号处理电路处理。 - With the established rf front - end system simulation platform , adding the digital modulated baseband signal , this paper simulated the multifold digital modulated signal ’ s transmission , such as 2ask , qpsk , and 16qam . then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system . the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end
随后在建立的宽带射频前端通用仿真平台上,加入基带数字调制信号,对多种数字调制格式的信号在该通用平台上的传输作了研究,模拟了2ask 、 qpsk和16qam等调制格式信号的发射与接收,研究了功率压缩和本振相位噪声对不同调制的误码率影响,实现了满足多种功能要求的宽带高性能综合射频前端的设计。