设计数字滤波器并利用传统的心电分析算法来标定心电波形的特征点。
Designing digital filter and demarcating the feature points of ECG wave with the traditional ECG analysis algorithm.
另外，还对滤波器的结构和参数对输出直流电压脉动和发电机相电流波形的影响及相电流谐波进行了仿真分析。
In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.
该变频器采用单元串联多电平技术，可以得到阶梯SPWM波形，无需输出滤波器，可直接驱动普通电动机。
The (frequency) converter (adopted) multilevel technology with cells series, which could obtain stepped SPWM waveforms, and could drive ordinary motor directly with no output filter.
设计一种用于网电源上，既能串联使用，又能并联使用的对电网污染具有一定治理作用，又可起到节电效果的多极点电源波形矫正滤波器。
The paper described a multi-pole waveform absorbing filter used in the grid for series or parallel connection, to control the grid pollution to a certain extent and save the power consumption.
本文从小波变换的基本概念出发，提出了波形匹配的具体实现方法，利用优化函数来得到最优小波滤波器。
Based on the basic conceptions of wavelet transform, the realization of waveform matching and find the optimized wavelet filter is presented in this paper.
讨论波形捷变雷达接收部分使用声表面波带通滤波器和声表面波色散延迟线进行信号处理的有关问题。
The signal processing problems in the receiving part of multi-waveform radar using SAW bandpass filters and SAW dispersive delay lines are discussed.
本文详细介绍了以下几个方面：线性调频信号的波形、匹配滤波器、模糊函数、速度分辨力、距离分辨力及抗干扰能力；
This paper gives a detailed account of the waveform, matched-filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti-interference of the Chirp signal.
简单介绍电力有源滤波器的工作原理，提出了检测与产生畸变电流的新方法及其电路，并给出了实验波形。
The paper introduces the principle of the active power filter briefly, presents a new method for detecting and producing distortion current applied to the APF and provides experimental waveform.
采样频率极高的DAQ系统采用一些低通滤波器过滤掉波形在250Hz以上的信号。
Rather than sample at extremely high frequencies, these DAQ systems implement some low-pass filters that cut out waveforms above the 250 Hz.
介绍了FIR滤波器的基本结构、设计方法和循环寻址的特点，给出了利用TMS320DM642设计FIR数字滤波器的主要编程语句及其实验波形。
This paper introduced the structure and design method of FIR filter and circular addressing. it gave the program validated in TMS320DM642 and the figure contrasted.
提出了一种能够抑制多径干扰的基带波形设计方法，该方法是通过保持传输信息速率不变，在成形滤波器第二个零点叠加信号来实现的。
A waveform design method that can restrain the multipath effect was proposed. It was achieved by placing signal on the second zero point of waveform filter and keeping the information rate.
改进后逆变器输出滤波器的截止频率可以取较高值，保证足够的控制系统带宽，有效提高逆变器输出电压波形质量。
The cut-off frequency of improved inverter output filter can be set higher to ensure the bandwidth of control system and improve the waveform quality of inverter output voltage.
用合适的滤波器可以从估计出的平均频率曲线中得到涡流的波形，并且计算表征涡流的涡流经过频率和幅度特征参数。
Meanwhile the vortex shift waveform is obtained from the estimated mean frequency waveform using a suitable low-pass filter. Then the vortex shedding frequency and amplitude can be calculated.
采用抗混滤波器的检测仪与普通滤波器检测仪进行桩基低应变检测时，得到的波形不尽相同。
Different wave shapes can be acquired in pile foundation with small strain by means of different types of instruments for detecting.
文中介绍了一种为获取焊接过程中的电弧电压及电弧电流波形，设计的一套数据采集系统及数字滤波器，通过实际运行证明收到了满意的效果。
To acquire the waveform of the arc voltage and the arc current in welding, a date collection system and digital filter is designed in this paper. The experimental result shows that it is Satisfied.
带电感变压器连接在脉宽调制电源逆变器输出端，北整合的电感与输出端的电容共同作为滤波器使用，修整输出电压的正弦波形。
The integrated inductance, in combination with the output capacitors, operates as a filter and restores the sinusoidal wave-shape of output voltage.
并将生成信号经低通滤波器处理，从而最终得到了一个能够充分反映电视图像脉冲性、频率、幅度和带宽特点的较为逼真的信号波形。
After the signal is processed through a low-pass filter, a very realistic waveform is obtained which can show pulsed nature, frequency, amplitude and bandwidth of television picture signals.
虚拟任意波形发生器能够实现任意波形载入、增益控制、直流偏置调节、滤波器状态设置等功能。
The virtual arbitrary waveform generator has such functions as arbitrary waveform loading, gain controlling, DE offset adjusting, filters setting up.
最后，给出了实验波形和数据分析，验证了滤波器硬件和软件设计的基本合理性。
Finally, analyzation of experimental waves and datas show the general validity of software and hardware of APF experiment equipment.
实际应用结果说明，数字中频滤波器比模拟滤波器在可实现最小分辨率带宽、滤波器波形因子、测量速度等方面都具有很大的优势。
This paper is based on the model of near-Gaussian filters, introducing the relationship of sweep time, span, resolution bandwidth and video bandwidth.
传统二极管箝位变换器的电压变化率和共模电压较高，且波形谐波含量较大，使得输出滤波器的设计变得复杂。
Traditional diode-clamped converters have high voltage variation rate, common-mode voltage and harmonics, which make the design of its output filter complicated.
传统二极管箝位变换器的电压变化率和共模电压较高，且波形谐波含量较大，使得输出滤波器的设计变得复杂。
Traditional diode-clamped converters have high voltage variation rate, common-mode voltage and harmonics, which make the design of its output filter complicated.
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