Báo cáo hóa học: " Research Article Fast Discrete Fourier Transform Computations Using the Reduced Adder Graph Technique" pptx

... Signal Processing Volume 2007, Article ID 67360, 8 pages doi:10.1155/2007/67360 Research Article Fast Discrete Fourier Transform Computations Using the Reduced Adder Graph Technique Uwe Meyer-B ¨ ase, 1 Hariharan ... Publishing Corporation. All rights reserved. 1. INTRODUCTION The discrete Fourier transform (DFT) and its fast implemen- tation, the fast...

Ngày tải lên: 22/06/2014, 23:20

... fast CPAST and the other algorithms are obtained in decibels using the following relation: 20 log  θ CPAST θ alg  , (62) where θ CPAST and θ alg denote the maximum principal angles of the fast ... this figure that the fast CPAST has faster convergence rate than the PAST, BISVD1, NIC, API, and FAPI algorithms. In the second scenario, we want to investigate the behavior...

Ngày tải lên: 21/06/2014, 22:20

... 25.56 dB. in the case of WDCT, the downsampling process reduces the number of blocks that are transform coded and therefore sig- nificantly reduces the total overhead, thereby facilitating the use ... in the range of typically 0.1–0.3 bpp in the first place. The downsampling process reduces the total number of blocks that need to be transform coded and therefore signif- ic...

Ngày tải lên: 22/06/2014, 20:20

... less by the shape of the sperm whale click than by the global performance on the complete dataset used by the authors in their application. Introduced as the generalization of the wavelet transform [21], ... consider the animals in the aquarium. Therefore, in these recordings, it is current to find more than one vocalization at the same time. This complicates the detect...

Ngày tải lên: 22/06/2014, 01:20

... effects. The peri- odicity and amplitude of the impulses are governed by the bearing operating speed, location of the defect, geometry of the bearing, and the type of the bearing load. The theoret- ical ... spectra when using the common technique of fast fourier transforms (FFT). Therefore, Envelope Detection (ED) has always been used with FFT to identify faults occurri...

Ngày tải lên: 22/06/2014, 19:20

... predicted sequence of the end effectors. The bits of the end effectors and the other general joints are sent to the decoder, respectively. For the bits of the general other joints, the entropy de- coding ... and the change of the position of the end effectors  ˙ p using  θ i =  θ i−1 +  D  +  δ. (24) This process is the same as the prediction in the encoder. F...

Ngày tải lên: 22/06/2014, 19:20

... Processing along the principal axes of inertia of the model. The three shape histograms used are the moment of inertia about the axis, the average distance from the surface to the axis, and the variance of the ... 9] the authors present a method where the descrip- tor vector is obtained by forming a complex function on the sphere. Then, the fast Fourier transf...

Ngày tải lên: 22/06/2014, 23:20

... shows the accuracy of the recovered signal in the presence of MC using new formulation (18) with comparison to the ideal recovering. Figure 4 shows the result of the recovered signal in the presence ... limiting the availability of homogeneous secondary data. The resulting errors in the covariance matrix reduce the ability to sup- press the interference. The second...

Ngày tải lên: 21/06/2014, 05:20

... method, and is explicitly solved using the z -transform method. The connection of the solution of the discrete equivalent logistic equation with the solution of the logistic differential equation ... discussed. These differences concern their solutions see Figure 1, their bifurcation diagrams, and their stability. 2. Derivation of the Discrete Equivalent Logistic Equation...

Ngày tải lên: 21/06/2014, 11:20

... filling the gap between the classical PSNR and the subjective quality metrics, they do not consider other network-level parameters, such as the wireless link power and the effect produced by other ... degradation but they considered only the packet loss during the transmission over the wireless link without taking into account the congestion due to the background traffic over...

Ngày tải lên: 21/06/2014, 22:20