Gang of Four Design Patterns 2.0
... reserved. Page 26 of 87 Design Pattern Framework™ 2.0 3. The Gang of Four patterns Below is a list of the 23 Gang of Four patterns presented in this document: Creational Patterns Abstract ... DoFactory.GangOfFour.Proxy.Structural Real-world sample code The real-world code demonstrates the Proxy pattern for a Math object represented by a MathProxy object. Code in projec...
Ngày tải lên: 12/09/2012, 14:38
The Discrete Fourier Transform
... decomposed. Chapter 8- The Discrete Fourier Transform 145 Type of Transform Example Signal Fourier Transform Fourier Series Discrete Time Fourier Transform Discrete Fourier Transform signals that ... Fourier decomposition, the heart of the DFT. The Family of Fourier Transform Fourier analysis is named after Jean Baptiste Joseph Fourier (1768-1830), a French mathematician and physicist. (Four...
Ngày tải lên: 13/09/2012, 09:49
Fourier Transform Properties
... true for all four members of the Fourier transform family (Fourier transform, Fourier Series, DFT, and DTFT). Figure 10-1 provides an example of how homogeneity is a property of the Fourier transform. ... called properties of the Fourier Transform, how a mathematical change in one domain results in a mathematical change in the other domain. Linearity of the Fourier Transform The Fourier Tr...
Ngày tải lên: 13/09/2012, 09:49
Fourier Transform Pairs
... (f) show that an impulse at sample number four in the time domain results in four cycles of a cosine wave in the real part of the frequency spectrum, and four cycles of a negative sine wave in the ... an impulse at sample number four in the real part of the frequency spectrum results in four cycles of a cosine wave in the time domain. Likewise, an impulse at sample number four in...
Ngày tải lên: 13/09/2012, 09:49
The Fast Fourier Transform
... signal with zeros to make it an Chapter 12- The Fast Fourier Transform 235 TABLE 12-4 The Fast Fourier Transform in BASIC. 1000 'THE FAST FOURIER TRANSFORM 1010 'Upon entry, N% contains ... the FFT algorithm. The Chapter 12- The Fast Fourier Transform 231 ++ + + + + + + Eight Point Frequency Spectrum Odd- Four Point Frequency Spectrum Even- Four Point Frequency Spectrum S x S x...
Ngày tải lên: 13/09/2012, 09:50
The Complex Fourier Transform
... aperiodic. This defines four types of Fourier transforms: the Discrete Fourier Transform (discrete, periodic), the Discrete Time Fourier Transform (discrete, aperiodic), the Fourier Series (continuous, periodic), ... by the complex Fourier transform, they are introduced by the real Fourier transform. In the world of mathematics, the complex Fourier transform is a greater truth than the real...
Ngày tải lên: 13/09/2012, 10:20
Bài tập Fourier
... BÀI TẬP CHƯƠNG 3 3.1 Tìm biến đổi Fourier của các dãy: a) )3( 2 1 )( + = nunx n c) n nx = 4 1 )( b) = = ... x 2 (n) = δ(n-2) + δ(n-1) + δ(n) Hãy tính tổng chập x 3 (n) = x 1 (n) * x 2 (n) thông qua biến đổi Fourier. 3.3. Cho đáp ứng tần số của bộ biến đổi Hilbert lý tưởng như sau : ≤≤ ≤≤ = 0 ωπ πω ω -
Ngày tải lên: 17/09/2012, 11:50
Ngày tải lên: 04/10/2012, 10:02
... in Oswestry Disability Index (Oswestry) and Visual Analog Scale (VAS) scores. Results Sixty -four patients were enrolled, including 37 males and 27 females. The age range was 32 to 90 years ... laminoforaminoplasty success rates for treatment of foraminal spinal stenosis: report on sixty -four cases Scott M.W. Haufe 1,3 , Anthony R. Mork 2,3 , Morgan A. Pyne 3 , and Ryan A. Ba...
Ngày tải lên: 03/11/2012, 11:17
Nicknames America s 50 States Third of Four Parts
... www.youtemplates.com Knowledge must be shared 1 Nicknames: America's 50 States (Third of Four Parts) Written by Ted Landphair Now, the VOA Special English program, WORDS AND THEIR STORIES.
Ngày tải lên: 05/11/2012, 16:28