We replace the continuous signal with a series of values at fixed intervals.
我们用一系列固定间隔处的值代替连续信号。
Then how to represent a continuous signal in term of a discrete sequence is a fundamental problem.
如何根据离散序列表示一个连续信号是一个基本问题。
In order to produce stable and continuous adjustment impulse signal, it has been realized using FPGA based on analyzing the theory of continuous signal produce.
为了能够产生连续可调和稳定的脉冲信号，在分析连续信号产生原理的基础上，采用基于FPGA技术实现。
Application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
应用离散傅里叶变换dft，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。
The filter processes input discrete sampling signal to recover continuous signal and suppress harmonic noise, and the zero-crossing frequency measuring method is improved.
该滤波器通过处理输入离散采样信号获得连续信号并抑制谐波噪声，改进了过零测频方法。
Proportional control valves such devices export volume (flow, pressure) can be imported in accordance with the law of change in the continuous signal proportional to regulate.
比例控制阀这类阀的输出量(流量、压力)可以按照输入信号的变化规律连续成比例地进行调节。
Plus, the indication LEDs provide continuous signal strength information, offering quick and simple troubleshooting - providing cost savings both during installation and maintenance.
另外，指示发光二极管提供不间断的信号强度信息，提供快速和简单的故障排除-提供安装和维修双向的成本节约。
These analysis method in fault diagnosis process can play an important role, but Fourier analysis method is only suitable for analysis of the continuous, the steady time signal.
这些分析方法在故障诊断过程中起到了重要的作用，但傅立叶分析方法只适合于分析连续的、平稳的时域信号。
In the highly crowded HF band, available continuous bandwidth is very narrow, this threaten the viability of HF radar based on the continuous spectra signal system seriously.
在拥挤的高频频段，可用的连续带宽比较窄，基于连续谱信号体制的高频雷达的生存能力受到严重威胁。
As an important class of hybrid dynamical systems, a switched system is composed of several continuous time subsystems or discrete time subsystems and the switching signal among them.
切换动态系统是一类重要的混合动态系统，它是由几个连续时间子系统或离散时间子系统及作用在其中的切换规则构成的。
In the output signals of quartz weighing sensor, the temperature drift noise is first order or over first order continuous, however, the weighing exciting signal is discrete.
石英称重传感器的输出信号中的温度漂移噪声是一阶或一阶以上连续的，而称重激励信号的变化是离散的。
Each signal lead between temperature sensors and calculator shall be one continuous length without joints.
每一条连接温度传感器和计算器的信号线应是一条线，没有连接处。
The continuous phase modulation has the constant amplitude and its phase is continuous, which make the signal has a very good power spectrum.
连续相位调制由于其具有恒定包络幅度且对任意的调制信息序列能保持信号的相位连续，从而能够有效的改进信号的频谱特性。
A simple method of digital filtering which applies to processing linear, continuous and slow changing signal is introduced.
介绍了一种处理被测信号为线性、连续、缓慢变化的较为简单的数字滤波方法。
In the control system of sampling, signal to be dealt with is the pulse sequence after sampling from the continuous time signals.
采样控制系统中，所处理的信号是连续时间信号经采样后所得到的脉冲序列。
A way to measuring the miss distance using echo signal from multifrequency continuous wave measuring radar is described.
描述了一种利用多频连续波测量雷达回波信号进行事后脱靶量测量的方法。
Finally the binaural sound signal is filtered by the HRIR on the continuous sphere space.
最后利用连续球面空间上的HRIR对双耳信号进行滤波处理。
The signal with continuous phase has narrower bandwidth and higher interference-free capability.
相位连续的移频信号有较窄的带宽，抗干扰性能强。
Sampling segmented K-space data makes a truncation of MR signal which is with continuous frequencies, leads to the truncation artifact in the reconstruction images after Fourier transform.
由于采集部分K空间数据成像是对连续频率MR信号的截断，导致经过傅立叶变换后的重建图像中出现截断伪影。
The transient electromagnetic method has a maximum depth because of continuous attenuation by transmission of electromagnetic signal in underground.
由于电磁信号在地下传播时不断衰减，瞬变电磁测深法有一个最大探测深度。
In linear frequency modulated continuous wave (LFM-CW) radar the range resolution is determined by signal bandwidth and linearity.
在线性调频连续波雷达中，距离分辨力由线性调频信号的带宽和线性度等决定。
Chaotic signal has the properties of ergodicity, nonperiodicity, continuous broadband power spectra, and noise like etc.
混沌信号具有遍历性、非周期、连续宽带频谱、似噪声的特性。
Following discussions on the principle of Doppler, the classification of the deformation, and analysis of signal spectrum, a continuous and rapid method for the measurement is presented.
通过对超声多普勒原理、路面变形的分类研究及测试信号谱分析的详细讨论和研究，给出了一种连续、快速检测沥青路面变形情况的方法。
The continuous transition from AM signal to DSB signal is realized. Consequently, it gives a denial to some historical conclusions on the AM signal.
从而实现了AM信号到DSB信号的连续过渡与解调，因此也否定了一些对AM信号所作分析的历史结论。
Describes an algorithm for marking pitch in the location of the highest amplitude of continuous speech signal.
阐述了一种连续语音信号的最大幅度的基音标注算法。
This kind of algorithm regulates the width of the structure element and makes the continuous morphological transform of signal, having well kept the main characteristic of the original signal.
这种算法通过调节结构元素的长度，对信号进行连续的形态变换，很好地保留了原信号的主要特征。
In this paper, the frequency spectrum and the bandwidth of the frequency shift signal with continuous and discontinuous phase are analyzed.
分析了相位连续与不连续移频信号的频谱并比较了它们的带宽。
For arc ultrasonic excitation, both the continuous and the pulse signal was separately applied to the test system including a conventional arc welding circuit.
在常规弧焊回路中采用了连续波和脉冲敲击式等不同的激励方式获得电弧超声信号。
For arc ultrasonic excitation, both the continuous and the pulse signal was separately applied to the test system including a conventional arc welding circuit.
在常规弧焊回路中采用了连续波和脉冲敲击式等不同的激励方式获得电弧超声信号。
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