严格说来，所有的模拟时变信号。
Strictly speaking, all signals are analog time-varying signals.
本文提出一种新的交变信号真有效值精度采样原理。
A new precise sampling principle of true effective value for the alternating signal is proposed in this paper.
带宽说明了仪器在某一频率范围内响应时变信号的能力。
Bandwidth describes the instrument's ability to respond to time varying signals over a range of frequencies.
提出了基于变时基短时傅里叶变换来分析和处理时变信号的技术。
Measuring and analyzing technology based on variable-time-interval Fourier transform was dealt with for vehicle accelerating noise signal.
在某型高炮随动系统的测试中，待测信号有非时变信号和时变信号两种。
In the testing of a certain antiaircraft artillery servo system, the signals needed to be measured are time-invariant signal and time-varying signal.
对MFCC进行相对谱(RASTA)滤波，可以突出快变信号对听觉感知的影响。
The influences of rapidly changing signals to human perception can be stressed by filtering the relative spectra (RASTA) for MFCC.
针对火灾探测过程中的光电探测器输出的微弱信号设计了一个微变信号提取放大电路。
A new circuit has been designed and developed for picking up and amplifying the weak signals of a photoelectric detector in fire detecting system.
在第三章里，主要研究了频率时变信号（如频率捷变信号和线性调频信号）的定位算法。
Chapter 3 considers location of a stationary target with time-varying emitting signal, such as frequency hopping signal and linear FM signal.
本文阐述了电压闪变信号发生的基本原理，探讨了发生器实发信号与设定信号之间的关系。
In this paper, the basic principle of generating voltage flicker signal is described and the relationship between the actual generated signal and the given signal is discussed.
单波形跟踪瞬变信号的变化，并实时提取所需的信号参数和信号处理要素是本文研究的主要理论与技术。
Through single waveform, following the instantaneous change signal's changing and timely collecting signal's base process factors are main theories and technique of this paper.
搭建实验系统，从改善系统信噪比、提高信号分辨率和增强对瞬变信号的处理能力等方面进行实验测试。
By experiment, data is tested in the areas of improving signal to noise ratio, ameliorating signal resolution, and enhancing the processing capacity of the transient signal.
内燃机曲轴轴承所受到的冲击信号是非平稳、时变信号，用传统的诊断方法难以进行故障的早期发现和诊断。
Vibration signals borne by different main bearing clearances are not stationary and time variant. It is difficult to early detect and diagnose by means of traditional methods.
热释电探测器为交变信号检测器件，根据这一原理，研制了一种新的激光训练系统，完全解决直射光的问题。
Pyroelectric detectors depend upon alternating signal, based on which a new kind of laser training system was developed, and the problem of direct light was solved.
火灾探测系统常常因为光电探测器输出信号的微弱而不能工作。文中介绍了为此设计的一个微变信号检测电路。
A new circuit has been designed and developed for picking up and amplifying the weak signals from a photoelectric detector in fire detecting system.
作为一种日益获得广泛应用的信号处理新技术，小波分析具有良好的时频局域化特性，适应于时变和瞬变信号的分析。
As a new technique of signal processing, wavelet analysis has excellent characteristics of time frequency localization and is suitable for analyzing time varying or transient signals.
小波分析是一种日益获得广泛应用的信号处理新技术，它具有良好的时-频局部化特性，因而非常适于分析瞬态或时变信号。
Wavelet analysis, as a new technique of signal processing, possesses excellent characteristic of time-frequency localization and is suitable for analysing the time-varying or transient signals.
在典型的R LC振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
该方法不仅能够对电压闪变信号进行不失真地包络检波，而且能够精确地检测电压闪变信号的时间和包络信号的频率分量及其幅度。
This method not only can achieve the distortionless envelope detection of voltage flicker, but also can detect the time, frequency and amplitude of the signal accurately.
然而，语音信号是一个非平稳过程，因此适用于周期信号、瞬变信号或平稳随机信号的标准傅立叶变换不能用来直接表示语音信号。
But voice signal is an instable process, so standard FT that fit to the period signal and stable signal can not be express the voice signal directly.
理论分析和实验结果表明，干涉仪输出光强的幅度和频率与施加在压电陶瓷上的交变信号电压的幅度和频率有关，且在一定的条件范围内呈良好的线性关系。
Theoretical analysis and experimental results show that the amplitude and frequency of the output light intensity are linearly related to that of the sinusoidal signal voltage applied on PZT.
同时针对天然气管道泄漏检测这一具体的工程实例，采用该方法对管道发生微小泄漏时所产生的缓变信号进行了分析，仿真实验验证了该方法的有效性和适用性。
And at the same time we applied this method to the leak detection of gas pipeline. The simulation is presented to illustrate the validity and feasibility of the method.
当小鼠自发性发作时，心跳变的更不稳定，暗示从大脑到心脏的信号被扰乱了。
When the mice had epileptic seizures, their heart beats became even more erratic - suggesting the signals from their brains to their hearts were disordered.
理论上，这种装置将电子信号转换成隐形眼镜上瞬息万变的信息展示给使用者，这有点像电影里的字幕。
In theory, the device converts electronic signals into ever-changing displays projected onto the contact lens and visible to the wearer, perhaps like a movie subtitle.
跟现实生活一样，你靠近交通信号灯时，它有时会从绿灯变黄灯，让你必须快速决定穿过或停下。
As in real life, the traffic lights sometimes turn from green to yellow as you approach them, forcing a quick go-or-stop decision.
这一转变的第一阶段开始于明年，届时将在阿拉木图，卡拉干达州，阿斯塔纳安装信号传送器。
The first stage of this transformation begins next year with the installation of transmitters at Almaty, Karaganda and Astana.
太空里的通讯却伴随着特殊的电信号跳变，因此需要一个“储存和转送”系统以保证在通讯过程的每一步都不会有信息丢失。
Space communication happens in distinct jumps, and requires a “store and forward” system that can retain information at each step in the process.
CPU负荷增长尽管(写)事务量没有变写日志个数没有变日志文件同步的往返信号传输时间就会延长。
When the CPU load goes up, the time taken for a log file sync round trip can increase even when the number of log file syncs and the volume of redo log generated doesn't change.
余震发生40分钟后，当地居民说汉中的天气变阴了，刮起了大风，手机信号一度中断。
About 40 minutes before the aftershock, local residents said the weather in Hanzhong City became overcast and high winds began to blow. Mobile communication was in failure for a while.
干扰噪声：一种干扰，尤指一处任意的和持续的干扰，使信号变模糊或减少。
Physics A disturbance, especially a random and persistent disturbance, that obscures or reduces the clarity of a signal.
干扰噪声：一种干扰，尤指一处任意的和持续的干扰，使信号变模糊或减少。
Physics A disturbance, especially a random and persistent disturbance, that obscures or reduces the clarity of a signal.
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