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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...
FFT convolution and the overlap-add methodSteven W. SmithPh.D
Filter the data on the GPU using the overlap-add method. Put the data on the GPU usinggpuArray. Return the output to the MATLAB® workspace usinggatherand plot the power spectral density estimate of the filtered data. y = fftfilt(gpuArray(B),gpuArray(x)); periodogram(gather(y),rectwin...
Share Open in MATLAB Online Download it is overlap add method which helps to determine the value of linear convolution contains large numbers of input sequence compare to impulse response or another input sequence.it is an important application of Discrete Fourier Transform.Here,divided the large inp...
A method for generating a sequence of concealment samples in connection with transmission of a digitized audio signal, wherein the method comprises generating the sequence of concealment samples from buffered samples of the digitized representation of audio signal in sample time order, wherein at ...
overlap‐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 fast-Fourier ...
YA-CHAU YANGTSUNG-HAN TSAIUS20030158740 * Feb 15, 2002 Aug 21, 2003 Tsung-Han Tsai Inverse-modified discrete cosine transform and overlap-add method and hardware structure for MPEG layer3 audio signal decoding
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...
A method for generating an output sequence of samples in response to a first and a second subsequence of samples, the method comprising—applying a weighted overlap-add procedure to the first and second subsequences so as to generate the output sequence of samples, —optimizing a weighting ...