记住对于选择正确的滤波器系数,采样频率很重要。
Remember that the sample rate is very important to choosing the right coefficients.
APDFT方法兼有窗函数法和频率采样法的优点,是一种设计FIR滤波器的新方法。
The APDFT method is a new scheme for FIR filter design, possessing concurrently the merits of the windowing and the frequency sampling method.
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.
频率采样技术是FIR数字滤波器设计的常用方法之一。
Frequency sampling is one of the popular methods in FIR digital filter design.
AD7764的采样速率、滤波器转折频率和输出字速率由外部时钟频率决定。
The external clock frequency applied to the AD7764 determines the sample rate, filter corner frequencies, and output word rate.
本文在频率采样法的基础上提出了具有可控阻带凹陷特性的线性相位FIR滤波器的设计。
Based on the frequency sampling technique, we have proposed a new method for designing linear-phase FIR filters with steerable stopband dips.
采样速率、滤波器转折频率和输出字速率由AD7763的外部时钟频率与配置寄存器共同设置。
The sample rate, filter corner frequencies and output word rate are set by a combination of the external clock frequency and the configuration registers of the AD7763.
研究表明,高采样频率和高阶反混叠滤波器有助于提高系统信噪比;
Higher sampling frequencies and higher order anti-aliasing filters help suppress noise.
采样速率、滤波器转折频率和输出字速率由ad7760的外部时钟频率与配置寄存器共同设置。
The sample rate, filter corner frequencies, and output word rate are set by a combination of the external clock frequency and the configuration registers of the AD7760.
采样速率、滤波器转折频率和输出字速率由ad7762的外部时钟频率与配置寄存器共同设置。
The sample rate, filter corner frequencies and output word rate are set by a combination of the external clock frequency and the configuration registers of the AD7762.
介绍了用滤波器组重构多阶采样信号的原理,并且利用多阶采样特殊的重构原理以及在降低采样率上的优势,介绍了多阶采样在频率选择上的应用。
By using the special reconstruction principle and the superiority in decreasing sampling frequency, the application of periodically nonuniform sampling in frequency selection is also presented.
由于采样速率、滤波器转折频率、建立时间、群延迟和输出字速率与外部时钟频率呈比例变化关系,因此这些参数也会相应降低。
The sample rate, filter corner frequency, settling time, group delay and output word rate will be reduced also, as these are proportional to the external clock frequency.
并采用高集成度的开关电容滤波器,系统的采样频率和反混迭滤波器的截止频率可在一定范围内任意给定。
Using the highly-integrated Switch-Capacitor filter, the sampling rate and the cut-off frequency of the anti-alias filter can be arbitrarily selected within some range.
介绍了FIR数字滤波器的设计,采用频率采样法,运用MATLAB完成设计中的计算和图形绘制,使其变得简单、快捷。
This paper introduces a method for FIR digital filter design. To compute and plot by using the frequency-sampling method and MATLAB makes the design of an FIR digital filter convenient.
介绍了FIR数字滤波器的设计,采用频率采样法,运用MATLAB完成设计中的计算和图形绘制,使其变得简单、快捷。
This paper introduces a method for FIR digital filter design. To compute and plot by using the frequency-sampling method and MATLAB makes the design of an FIR digital filter convenient.
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