低频信号和高频信号的预测值合成得到预测结果。
The prediction result was finally acquired by synthesizing the forecast values of the low frequency signal and high frequency signal.
观察从微波混频器上取得的低频信号，波形清晰、稳定。
It was observed from the low frequency signal on the microwave mixer that the wave form was clear and stable.
从该谱上识别一个或多个表征该被询问样本的低频信号分量。
From this spectrum, one or more low-frequency signal components that are characteristic of the sample being interrogated are identified.
介绍一种经济实用的用普通磁带记录与回放超低频信号的方法。
An economical technique is presented of conventional tape recording and replay for ultra-low frequency signal.
常用超低频信号发生器的输出只有几种固定的波形，不能更改。
The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed.
完成了对低频信号采集和处理的软硬件设计，达到了预期的指标和要求。
Completed the hardware and software design of the low-frequency data sample and processing system, and achieved the expected target and requirement.
分析了低频信号注入法，并且针对其缺陷提出了基于小波变换的检测方案。
The paper analyzes the method of low frequency signal injection, which is usually used to detect DC system grounding fault, and advances the method based on wavelet transforms.
其降阶指把电流环时间常数调整到尽量小，低频信号段可等效为普通比例环节。
The intension of reduce rank is that the time constant of current-ring is regulated to the best of minimum, and low frequency signal is equated to common proportional component.
软土对高频地微动信号有滤波作用，对低频信号起放大作用，而硬土层则相反。
Soft soil can filter high frequency signals, but can amplify low frequency signals.
目前广泛使用的低频信号检测法容易受到直流系统支路中存在的对地分布电容和环网的影响。
The detection method of low frequency signal injection, which is widely used, is easily influenced by the capacitors between ground and each branch and by the ring net.
此方案可有效解决甚低频信号传输中的干扰问题，并为下一步的甚低频信号数字处理提供了基础。
It could overcome the transmission interference, and could be the fore part of the VLF digitized receiver.
在变振幅的数据分析中，低频信号可以反映在低频分析结果中，也可以体现在高频信号的振幅变化中。
In the analysis of data with amplitude variation, low-frequency signals may appear as decomposed results, referred to hereafter as filtered low-frequency signals (FLSs).
结果表明，该测试系统不仅适合于直流信号的测试，而且同样适合于低频信号、工频交流信号的测试。
The results show that this testing system is fit for the test of DC signals, lower frequency signals and Power Frequency signals.
所以选用恰当的硬件，编写合适的软件，组建既经济又实用的压电加速度低频信号采集系统是十分必要的。
It is necessary to choose the right hardware, write the right soft ware and found the economical and applied low-frequency signal gathering system.
据说，该设备的输出端还提供了大量低频信号，这些低频信号可用于判定岩石特性以及更深的目地层的成像。
The output also is said to offer a larger volume of the low-frequency signals needed for determining rock properties and imaging deeper targets.
首先用信息熵函数最小选择最优小波基，然后用其对燃气负荷进行二层分解得到负荷的低频信号和高频信号。
Firstly, the best wavelet basis selection was conducted via message entropy function; then the gas load was decomposed to low frequency signal and high frequency signal by two times through it.
该装置与通用示波器配合，即能对四路生理信号或超低频信号实现非消隐显示和波形的“冻结”、串接等显示功能。
It cart be combined with the general-purpose oscilloscope to realize non-fade mode display, waveforms freeze, and series mode display for 4-channel biological signals or ultra-low frequency signals.
介绍了一种应用直接数字频率综合器（DDS）技术，基于可编程逻辑器件（CPLD）和单片机设计的低频信号源。
According to the technology of direct digital synthesis(DDS), a kind of low frequence signal source was introduced based on the Complex Programmed Logical Device(CPLD)and Single Chip Micyoco(SCM).
在轴承缺陷检测和诊断的过程中，有缺陷的轴承振动信号分散在一个较宽的频带范围，很容易被噪声和低频信号所掩盖。
In the process of bearing defect detection and diagnosis, the faulty bearing vibration signals are scattered in a wide frequency range, which can be easily masked by noise and low-frequency effects.
本文的研究内容是研制出适用于低频信号采集和实时处理的计算机扩展电路板，其应用对象是线性调频连续波雷达差拍信号的采集和实时处理。
The task of the design is to develop a computer extended circuit board, which is applied to the acquisition and processing of beat-signal in Linear FM-CW Radar(LFMCW).
本文介绍了一种可以直接利用通用PC机进行低频信号实时FFT的有效方法，给出了具体的汇编语言源程序，并针对其实现难点进行了详细的说明。
This paper describes a effective way of designing the low frequency real-time FFT implemented in MASM language on PC. Some difficult points are explained in detail.
本文采用了一种常态下利用双不对称电桥实时监测直流系统绝缘的方法，解决了上述问题。目前广泛使用的低频信号注入法容易受到直流系统支路中存在的对地分布电容的影响。
A new method of monitoring real-timely for DC system insulation using double asymmetrical Bridges in normal mode is adopted in this paper, and the shortcomings of symmetrical bridge are overcome.
数字部分包括低频视频(使接收机与发射机保持同步的脉冲)以及用于高质量立体声的音频信号。
The digital portion includes low-frequency video, the pulses that keep receivers synchronized with transmitters, and the audio signal for high-quality stereo sound.
本文提出一种利用低频锁相放大器测量高频信号的混频-锁相检测技术。
The mix-lookin detection technique for high frequency signal measurement with low frequency look-in amplifier is presented.
数字万用表（DMM）只能测量直流和几十到几百赫兹的低频正弦信号幅度，不能测量高频信号和信号的频率。
On usual DMM only can measure signal's amplitude of DC and AC from fifty to five hundred Hz, it can not measure signal's frequency or amplitude of high frequency.
在低频场合，不失为一种理想的扫频信号源。
在低频场合，不失为一种理想的扫频信号源。
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