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- Interference from radio frequency sources can affect any sensitive electrometer measurement. This type of interference may be indicated by a sudden change in the reading for no apparent reason. 来自射频源的干扰能够影响各种灵敏的静电计的测量工作。这种类型的干扰表现为读数的突然变化而无明显的理由。
- These practices shown that the phase-lockd loop has made it possible to offer a stabilized frequency source for high speed spinning of the POY Dacron filament. 实践表明,它解决了涤纶长丝高速纺丝变频电源的频率稳定度问题。
- Electronic Support Measure (ESM) system has the function of threat detection and the area monitor to locate and identify the Radio Frequency Source (RFS). 电子支援措施(ESM)系统执行威胁探测和区域监视功能，以确定周围辐射源的类型和方位。
- Whatever it is radar, ECCM equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal. 无论是雷达、电子对抗，还是通信、仪器设备等都需要高稳定度的频率源，以保证载波信号的质量。
- The frequency source in Global Positioning System (GPS) receiver has a great many influence on the whole performance of the receiver. GPS(Global Positioning System)接收机中参考频率源的性能对接收机整体性能有着诸多影响.
- Phase noise is the key character in direct digital frequency synthesizers (DDS) applied in the high stable frequency source. 摘要相位噪声是制约DDS用于高稳定频率源的的关键指标。
- The switching solution should have as a minimum the bandwidth of the DUT, and preferably equal to the bandwidth of any higher frequency source and measurement equipment. 切换方案的最小带宽应该为DUT的带宽，最好是等于任何高频源和测量设备的带宽。
- First, this paper introduces the background and block diagram of this frequency source, and then introduces the scheme of the sub-harmonic sampling phase-lock loop and push-push DRO. 本文首先介绍了该频率源的设计背景及电路方案,然后介绍了锁相环路、电调谐介质谐振器稳频振荡器(Vt-DRO)的设计过程。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Gunn effect solid state frequency source 耿氏效应固态频率发生器
- Compensation of Opening Frequency Source Output 频率源开机输出的补偿
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Design of an S-band Frequency Source Based on DDS 一种基于DDS的S波段频率源设计
- Ka-band phase locked frequency source Ka波段锁相源
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- numerical control frequency source 数控频率源
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- djustable high-speed sweep frequency source 可调的高速扫频源
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
