Tài liệu FOURIER ANALYSIS docx

... In many cases with textile processes, the production quality is controlled by means of spectral analysis of the output material, linear density of which is a basic quality parameter. The processed ... N S .N K ) values have been recorded with sample time T S , then an estimate of the spectrum, using Fourier transform is given by (8.5) where, ϭ mean value of y(t) for the period T ϭ N K .T...

Ngày tải lên: 23/01/2014, 03:20

... EIGHT FOURIER ANALYSIS In this chapter, Fourier analysis will be discussed. Topics covered are Fou- rier series expansion, Fourier transform, discrete Fourier transform, and fast Fourier ... subplot(121) © 1999 CRC Press LLC © 1999 CRC Press LLC Attia, John Okyere. Fourier Analysis. ” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Ra...

Ngày tải lên: 23/01/2014, 03:20

... lý, do đó không có mô tả về dữ liệu và thuộc tính  Đây là chức năng của hệ thống thông tin chứ không phải hệ thống tác nghiệp 5.2.2. Xây dựng biểu đồ luồng dữ liệu Chương 5: Phân tích hệ ... hai loại biểu đồ liên quan đến chức năng xử lý:  Biểu đồ phân cấp chức năng.  Biểu đồ luồng dữ liệu. 5.2.1. Xây dựng biểu đồ phân cấp chức năng BPC  Đây là biểu đồ mô tả tĩnh.  Được x...

Ngày tải lên: 25/12/2013, 05:16

... emotional Aloofer = less emotional 25 Audience Analysis: conclusion First define   Genres   Purpose Then define   Ethos   Logos   Pathos 26 Lecture 10. Audience Analysis and Written Communication

Ngày tải lên: 16/01/2014, 16:33

... information on OBV analysis, I recommend that you read Granville's book, New Strategy of Daily Stock Market Timing for Maximum Profits. The basic assumption, regarding OBV analysis, is that ... variable moving average was defined by Tushar Chande in an article that appeared in Technical Analysis of Stocks and Commodities in March, 1992. Weighted A weighted moving average is design...

Ngày tải lên: 23/01/2014, 07:20

... the departure from the reversible limit. The focus is on analysis. Applied to the system components individually, exergy analysis shows us quantitatively how much each component ... ENTROPY GENERATION MINIMIZATION The EGM method4-5 is distinct from exergy analysis, because in exergy analysis the analyst needs only the first law, the second law, and a...

Ngày tải lên: 23/01/2014, 07:20

... as equation (12.0.9). The theorem says that the Fourier transform of the convolution of two functions is equal to the product of their individual Fourier transforms. Now, we want to deal with the ... finite duration N is a member of the discrete Fourier transform pair, N/2  k=−N/2+1 s j−k r k ⇐⇒ S n R n ( 13.1.2) Here S n , (n =0, ,N −1) is the discrete Fourier transform of the values...

Ngày tải lên: 26/01/2014, 14:20

... the discrete Fourier transform c j = 1 N N−1  k=0 H( 2πk N )e −2πijk/N (13.10.12) The quadrature mirror filter G (reversed c j ’s with alternating signs), incidentally, has the Fourier representation G(ω)=e −iω H * (ω ... result of performing the identical procedure with Fourier, instead of wavelet, transforms: The figure is reconstructed from the 5.5% of 65536 real Fourier components h...

Ngày tải lên: 26/01/2014, 14:20

... Wiener-Khinchin theorem (12.0.12) says that the Fourier transform of the autocorrelation is equal to the power spectrum. In z-transform language, this Fourier transform is just a Laurent series in ... extravagant claims. CITED REFERENCES AND FURTHER READING: Childers, D.G. (ed.) 1978, Modern Spectrum Analysis (New York: IEEE Press), especially the paper by J. Makhoul (reprinted from Pro...

Ngày tải lên: 26/01/2014, 15:20

... are spatially correlated. Spatial regression The descriptive analysis in Figure 3 is univariate. The aim of the spatial regression analysis is to combine multiple factors in a model which explains ... spillovers model (Alaska and Hawaii were not included in the analysis) . This leaves 6,455 contiguously arranged PCSA-level observations for the analysis. In the mainland U.S. (excluding H...

Ngày tải lên: 14/02/2014, 06:20