OPTICAL IMAGING AND SPECTROSCOPY Phần 8 pptx

... 0,1; R x là in tr cn o. - Các in tr R l , R 2 , R 3 , R 4 có giá tr  10. T s R l /R 2 có th thay i và thng bng: 10 -4 , 10 -3 , 10 -2 , 10 -1 , 1, 10. Cn t t s R 1 /R 2 ... 2,7ô x 1V = 2,8V Vpp = 5,4ô x 1V = 5,4V Vrms = 0,707Vp = l,98V. 134 Trong trng hp cn xác nh tng tr thì mc thêm volmet và tng tr c xác nh nh sau:...

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Ngày tải lên: 13/07/2014, 10:22

Ngày tải lên: 13/07/2014, 16:20

Ngày tải lên: 13/07/2014, 16:20

... David Jones, 19 61- Optical imaging and spectroscopy / David Jones Brady. p. cm. Includes bibliographical references and index. ISBN 978-0-470-04823-8 (cloth) 1. Optical spectroscopy. 2. Imaging systems. ... is i t1 ( r ) ẳ a i z ỵ b ( r =R 1 )i r for some a and b and for r ẳ x 2 ỵ y 2 p . Application of Snells law tells us that n 1 i z i n1 ẳ n 2 i t1 i n1 or n 1...

Ngày tải lên: 05/08/2014, 14:20

... Sellmeier equation n 2 ( l ) ẳ 1 þ B 1 l 2 l 2 À C1 þ B 2 l 2 l 2 À C2 þ B 3 l 2 l 2 À C3 (2: 66) The Sellmeier coefficients for Schott glass type SF14 are given in Table 2. 1. (a) Plot n( l ) for ... ¼ 1 t ð 1 À1 f n (x)e i p ((xÀx 0 ) 2 = t 2 ) dx 0 ¼ F À1 i n e i( p =4) e Ài pt 2 u 2 f n (u) no ¼ 1 ffiffiffiffiffiffi 2 p p F À1 i n e i( p =4) e Ài pt 2 u 2 2 p u f nÀ1 (u...

Ngày tải lên: 05/08/2014, 14:20

... in Fig. 3. 9. (b) Replicate Figs. 3. 9, 3. 12, and 3. 17 for your function. 3. 11 2D Wavelet Analysis. Replicate Figs. 3. 13 and 3. 14 for an image of your choosing. 3. 12 Spline Interpolation: (a) Show ... 2,1, and 4 ,3 for t ẳ 0:5, t ẳ 1, and t ẳ 2. Use your com- putational result and the analytic result given by Eqn. (3. 83) to plot the absol- ute value and phase of t...

Ngày tải lên: 05/08/2014, 14:20

... those of random processes. Noise in imaging and spectroscopy differs from noise in optical communication, data processing, and data storage systems because temporal signal modulation and read ... of each component of the CGH encoding algorithm. 4. 14 Vanderlught Correlators. A Vanderlught correlator consists of the 4F optical system sketched in Fig. 4. 25. (a) Show that the t...

Ngày tải lên: 05/08/2014, 14:20

... space–bandwidth product and the etendue of an optical system. The space–bandwidth product is the product of the spatial support over which an optical signal is observed and the spatial frequency bandwidth ... S(n) f o y 1 2a f o y 2 2a 2 f o x 1 0:5a 2 ^ a f o x 2 0:5a 2 ^ a ỵ f o x 1 ỵ 0:5a 2 ^ a f o x 2 ỵ 0:5a 2 ^ a ẳ S(n)[2j f ih f jỵj f ỵ ih f ỵ j](6:1 05) where f o (x)...

Ngày tải lên: 05/08/2014, 14:20

... 7 .6. The frequency for all signals remains u o ẳ 0.9 Nyquist, and the horizontal axis is again in units of the Nyquist period. 262 SAMPLING where f h and f s are the phases of the optical and ... sampling, and signal interpolation. For the present purposes, it is most important to understand that post- measurement interpolation is necessary, natural, and powerful. While optic...

Ngày tải lên: 05/08/2014, 14:20

... absorption, transmission, and reflection may arise in optical devices and materials as a result of microscopic optical and elec- tronic properties rather than macroscopic optical design. Resonant ... matrix (b) A random 1 27 1 27 matrix with values uniformly drawn from [21, 1] (c) The level 3 Haar wavelet transform of f 8.3 Regularizaton. Operating from the left and right on a 1...

Ngày tải lên: 05/08/2014, 14:20

... stack with n 1 ẳ 1.7 and n 2 ẳ 1.65. 376 SPECTROSCOPY ik z dS dz ỵ k 2 z 2 D1 1 Re i(2k z K)z ẳ 0(9:72) Equations (9.71) and (9.72) are nearly identical to Eqns. (4 .86 ) and (4 .87 ) except for a change ... focal image, and so on. The purpose of the optical element is to spatially and Figure 9.34 Field modulation by a multidimensional dispersive element. 390 SPECTROSCOPY Equa...

Ngày tải lên: 05/08/2014, 14:20

... resolution, and field of view. In practice, however, optical system performance is limited by both aperture size and the capabilities of optical and optoelectronic processing to condition and extract data ... discipline of quantum imaging seeks to create and exploit higher order field correlations to obtain optical superresolution [138]. 10.4 MULTIAPERTURE IMAGING Multiapert...

Ngày tải lên: 05/08/2014, 14:20

... design. Where the standard coded aperture design and inference Figure 10. 44 Singular values and reconstructed signal spectra for N ẳ 511 random and Hadamard coded aperture spectroscopy: (a) singular ... McGraw-Hill, 1953. 184. P. Naulleau and E. Leith, Imaging through optical fibers by spatial coherence encoding methods, J. Opt. Soc. Am. A 13 (10) :2096– 2101 , 1996. 185. M. A....

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... Appl Environ Microb iol 68: 387 8– 388 5 Créach V, Baudoux A-C, Betru G, Le Rousiz B (2003) Direct estimate of active bacteria: CTC use and limitations. J Microbiol Meth 52:19– 28 Davis KER, Joseph SJ, ... inoculum size, and in- cubation time on the culturability and isolation of soil bacteria. Appl Environ Microbiol 71 :82 6 83 4 Eaton AD, Clesceri LS, Greenberg AE (1995) Standard m...

Ngày tải lên: 08/08/2014, 01:20