نتایج جستجو برای: fast fourier transform

تعداد نتایج: 353482  

Journal: :IEEE Trans. Robotics and Automation 1993
Lydia E. Kavraki

2002

The term FFT is used to signify a specific method to compute the DFT in an efficient manner. While a transform in its own right, the DFT/FFT can be interpreted in terms of the CT-Fourier transform for a sampled signal x(t). Let us consider a signal x(t), sampled at the time instants nT, n = 0,1,...N-1, and suppose that the signal is 0 outside the sampled interval [0, (N-1)T]. The Fourier transf...

2015
Tolga Ayav

Özet. Bu çal 3ma de§i3tirilmi3 ko3ul/karar kapsama stratejisince türetilmi3 test giri3lerinin önceliklendirilmesi için bir teknik sunmaktad r. Teknik Fourier analizine dayanmaktad r ve testlerin hata ortaya ç karma potansiyellerine göre s ralanabilmesini hede emektedir. Bu sayede yaz l m n yüksek öncelikli testlerden ba3layarak dü3ü§e do§ru s nanmas veya test kümesinin yüksek öncelikli testleri...

2009
Shih-Schon Lin

This paper proposes a n e w approach to resolve the ambiguity problem in multistriping laser tr iangulat ion

2004
Paul D. Henderson

This article serves as summary of the Fast-Fourier Transform (FFT) analysis techniques implemented in the SIA-SmaartLive measurement platform. By reading through this document, you will receive an understanding of the fundamental concepts in FFT-based measurements used throughout the SmaartLive application, providing you with insights to better comprehend the measurement parameters, procedures,...

1998
Jan B. Wilstrup

A method for measuring inter-sym cycle distortion, random jitter a described. The Blackman-Tukey method of s This allows the application of jitt ensure compliance to data communic Note: Mathematical analysis and have been performed. The autocorre FFT for clock jitter analysis have be current product. A provisional paten filed.

Journal: :J. Algorithms 1980
Persi Diaconis

We compare several algorithms for computing the discrete Fourier transform of n numbers. The number of “operations” of the original Cooley-Tukey algorithm is approximately 2n A(n), where A(n) is the sum of the prime divisors of n. We show that the average number of operations satisfies (l/x)Z,,,2n A(n) (n2/9)(x2/log x). The average is not a good indication of the number of operations. For examp...

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