signal frequency信息详情
信号频率
frequency───n.频率；频繁
signal───adj.显著的；作为信号的；n.(Signal)人名；(瑞典)西格纳尔；vt.标志；用信号通知；表示；n.信号；暗号；导火线；vi.发信号
frequency generator───[计]频率发生器
signal wire───[通信]信号线
radio signal───无线电讯号；无线电信号
frequency range───频带; 频段；[电子][通信]频率范围
cumulative frequency───[统计]累积频率，[电子]累积频数
home signal───进站信号（机）；[铁路]进站信号；[铁路]进站信号机
signal processing───[通信]信号处理
If the signal frequency to be measured is low, wide strobe gate is required for high measurement precision.───当被测信号频率较低时，需要很宽的选通门才能得到较高的测量精度。
Signal frequency range is also adjustable according to requirements.───信号频率幅度也按要求可调。
To ensure proper operation, the device must be reset after reference signal frequency changes and power-up.───为了确保正确操作，设备必须重置后参考信号频率的变化和电。
Cross Well Seismic signal frequency is usually several times of the surface seismic or more, can reach hundreds of Hertz.───井间地震信号的主频通常是地面地震的数倍甚至更高，可以达到几百赫兹。
Experimental results show that this method can measure the signal frequency error effectively and accurately.───实验证明，该方法能够有效地精确测量信号的频率误差。
phase response controlled by aquifer hydraulic parameters, as well as the borehole radius and the tidal signal frequency.───响应相位差只与含水层水力参数，以及井孔半径和潮汐信号频率有关。
By the debugging, the coding of speech is realized; m sequence is produced. Moreover, the spread of signal frequency spectrum is realized.───通过调试实现了语音的编码、产生了m序列，并实现了信号频谱的扩展。
The technology of direct digital frequency synthesis(DDS), is a new typed synthesizer technology and signal frequency methods.───直接数字频率合成技术，即DDS，是一种新型的频率合成技术和信号产生方法。
As it is, however, it is affected by the computer timing error and the AC signal frequency drift in practice.───但实际运用时，其精度都会受到采样定时误差和信号频率偏移的影响。
As the addition of signal frequency, oscillograph will drop to demonstrating ability correctly of signal.
The output signal frequency of integer frequency synthesizer is the integral multiple of reference signal frequency, Loop frequency resolution is the reference frequency.
Can measure the input signal frequency, amplitude, peak to peak, and RMS.
The cymometer makes use of equal-accuracy design that can overcome the disadvantage of traditional measuring principle, which precision declines as measured signal frequency does.
The change in signal frequency is identified by the software and appropriate action taken.
Wavelet package has better decomposition characters than wavelet, and can demarcate signal frequency space more effectively. Thus, it is used for eliminate periodic narrowband interference.
Two kinds of typical wideband signal, Frequency Modulation (FM) signal and Frequency Spread signal, is analyzed qualitatively with Wideband Ambiguity Function.
Compared with other frequency measurements, the method based on the ASIC makes use of simple periphery circuit around MPU and can self-adapts the variation of input signal frequency.
The evolution of the signal-noise ratio R with the quantum noise intensity D is discussed in the parameters of the noise and signal frequency and time period modulation frequency.