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1) overlap-add method 重叠相加法2) repeated addition 重复加法;重复相加;叠加3) overlap addition 重叠相加 1. First,the input signal is transformed digtal signal by A/D ,and the digtal signal is divided into fixed-length array use by way of overlap addition. 基于分裂基FFT(SRFFT)算法设计...
OLA(Overlap-add method)重叠相加法,其基本思路是将输入序列x(n)按照时间顺序分割为多段长度为L的子序列xk(n),通过计算每个子序列xk(n)与h(n)的卷积结果yk(n)=xk(n)∗h(n),最终将每个yk(n)按照一定的规律重叠累加(这也是OLA中Overlap add的含义),即可得到x(n)与h(n)的卷积结果。 1.1 OLA原理 设...
Circular convolution with the overlap–add method: When sequence x[n] is periodic, and Nx is the period, then y[n] is also periodic, with the same period. To compute one period of y[n], Algorithm 1 can first be used to convolve h[n] with just one period of x[n]. In the re...
overlap-add method 词条 overlap-add method 专业释义 <科技>重叠相加法 词条提问
1.A new control method of multiunit inverter is described,which determines the triggering pulse for each unit to obtain the sine wave output through multiple-phase shifting superimposition principle.研究了多重化逆变器的一种控制方法,采用逆推的方法确定各单元的触发脉冲,通过多重移相叠加原理得到正弦波输出...
1) short-time synthesis overlap-add method 叠接相加法1. In order to solve the contradiction, authors introduce the short-time synthesis overlap-add method to BSS, which trades off effectively this contradiction and enhances evidently the separation performances. 为了解决这一矛盾,我们把短时综合的...
overlap-add methodoverlap-save methodThe overlap-add (OLA) and overlap-save (OLS) methods are well known as efficient schemes for higher-order filtering. In those methods, the linear convolution for the infinite-duration data is reduced to the circular convolution for the finite blocks, and the...
}// |3|. overlap add method// calculate parameters for overlap add method (we use it to prevent circular convultion)constintFFT_length =pow(2.0,(int)(log(bufferSize + filterKernelLength -1.0)/log(2.0)) +1.0);double*OLAP =newdouble[bufferSize /2];// holds the overlapping samples from...