The APDFT method is a new scheme for FIR filter design, possessing concurrently the merits of the windowing and the frequency sampling method.
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。
It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
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。
By using MATLAB signal and using window method, frequency sampling and Chebyshev approximation the design of low pass digital filter in the toolbox have been processed.
采用窗函数法、频率抽样法和切比雪夫最佳一致逼近法,通过调用Matlab信号处理工具箱中的函数设计低通数字滤波器。
Through discussing the samples of ac signal, the basic method to solve spectrum leakage is pointed out, which is to guarantee the same pace between signal frequency and sampling frequency.
通过对交流电信号采样的讨论,指出解决频谱泄漏的问题的基本方法是保证信号频率与采样频率同步。
The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.
作者提出低频时码信号的正交扫描解调技术,从理论上分析了正交扫描原理和实现方法,并进行了仿真测试;
This paper describes also the linear interpolation for the increase of the sampling frequency and the average method for the suppression of the scattering echoes.
还描述了用于提高采样频率的线形内插法和用于抑制分散回声的均值法。
In order to simulate narrowband reverberation time series easily, the simulation method designed based on simulating reverberation complex envelop, which is feasible for any sampling frequency.
针对窄带发射信号,为了便于计算,设计了一种适用于任意采样率的基于复包络的混响信号仿真方法。
The method consists of real-time estimation of signal frequency, synchronous tracking of sampling frequency and error correction of harmonic coefficients.
该方法包括信号频率实时估计、采样频率同步跟踪和谐波系数误差校正几个要素。
Firstly the frequency domain was discretized into limited points. And a logarithmic sampling method was used to select samples.
首先,把特定的载荷频率范围离散成有限点,并通过对数采样法进行预采样。
Digital filtering technique based on least square method multichannel sampling technique and frequency variation sampling technique were used experimentally.
实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
Digital filtering technique based on least square method, multichannel sampling technique and frequency variation sampling technique were used experimentally.
实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
An efficient method is presented to find the minimum valid sampling frequency for bandpass sampling of multiband signals in software defined radio (SDR) technology.
针对软件无线电(SDR)技术中的多频段信号带通均匀采样技术,提出了一种能够高效、准确地求解最小采样频率的方法。
Even if the sampling rate is high, the method makes part of a low blood flow signal clearly visible in frequency domain, and more detailed blood flow sonogram can be obtained.
该方法可以在高采样频率条件下实现低流速血流信号的局部可视化,同时由于局部范围内采样分辨率的提高,将获得更细致的血流声谱图。
In order to compensate the nonlinear errors induced by the rectification for high frequency vibrations in the inertial measure unit (IMU), the paper presents a new random sampling method.
为了补偿由于惯性敏感元件高频振动整流所引起的非线性输出误差,研究一种新的补偿方法——随机采样法。
Based on the frequency sampling technique, we have proposed a new method for designing linear-phase FIR filters with steerable stopband dips.
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。
The electro optic sampling system constructed with the multiple frequency phase shift scanning method was introduced.
分析了倍频移相扫描法的工作原理,介绍了用倍频移相扫描法构成的电光采样测量系统。
This method adjusts sampling interval to trail after the power system frequency while harmonics analyzing, so that this method greatly reduces the spectrum leakage.
采用此算法可实时跟踪电网频率波动,极大地减小频谱泄漏提高谐波测量精度。
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。
The experimental results show that symmetry rule sampling method has advantages of fast speed and converting frequency easily.
实验表明采用对称规则采样法产生的SPWM 波形,具有速度快、变频方便等优点。
The tone regulating method includes the steps of: re-sampling the sound signal to be raised or fallen in tone in different sample frequency and outputting in original playing frequency;
一种音调调整方法与装置,本方法包括以下步骤:以不同取样频率对欲升降调的声信号重新取样,再将其以原播放频率输出;
The method starts with the theoretically minimum frequency and searches for the minimum valid sampling frequency using variable step sizes subject to three non-aliasing constraints.
该方法从理论上可能的最小采样频率出发,根据采样后频谱不发生混叠的3种约束条件来确定可变的频率步长,搜索可用的最小频率。
A method of large capacity memories expansion of excess 8031 location addressed ability and using software to collect data in different sampling frequency are emphatically described.
着重阐述了超出单片机寻址能力的大容量存储器的扩充方法及用软件实现变采样率的数据采集方法。
A method of large capacity memories expansion of excess 8031 location addressed ability and using software to collect data in different sampling frequency are emphatically described.
着重阐述了超出单片机寻址能力的大容量存储器的扩充方法及用软件实现变采样率的数据采集方法。
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