Báo cáo hóa học: " Extended Lock Range Zero-Crossing Digital Phase-Locked Loop with Time Delay" pot

... Communications and Networking 2005:3, 413–418 c  2005 Qassim Nasir Ex tended Lock Range Zero-Crossing Digital Phase-Locked Loop with Time Delay Qassim Nasir Department of Electrical and Computer Engineering, ... will limit the loop stability range or the lock range of the loop as w ill be seen later. The objective of this work is to increase the stability and lock...

Ngày tải lên: 23/06/2014, 00:20

... of follow-up was 16.3 Months (range, 8 to 25 months). Union of the osteotomy site was achieved in all but one knee, with an average time to union of 4.1 months (range, 2 to 6 months). An autoge- nous ... The mean age of the patients at the time of the index operation was 23.3 years (range, 17 to 41 years). Of these, 6 knees had patellar subluxation. No patient with complete patellar...

Ngày tải lên: 20/06/2014, 01:20

... 2011 References 1. Rosanov, A Iv: The spectral theory of multidimensional stationary random processes with discrete time. Uspekhi Mat. Nauk. Z3 93–142 (1958). (in Russian) 2. Gong, ZR, Zhu, YS, Cheng, QS: ... stationary time series for a linear system. Journal of Henan Normal University (Natural Science)., 3 (1983) 7. Zhang, XY, Xie, ZJ: On the extrapolation of multivariate stationary t...

Ngày tải lên: 20/06/2014, 22:20

... c j = = c j+l for 2 ≤ j ≤ j + l ≤ dim H - with l ≥ 1, then i(K c ∩ S) ≥ l +1≥ 2. Therefore, J has at least dim H - -1 pairs of sign-changing critical points with values belong to [c 0 , c ∞ ]. ■ Remark ... applications to nonlinear differential equations with resonace. Houson J Math. 25, 563–582 (1999) 4. Molle, R, Passaseo, D: Nonlinear elliptic equations with large supercritical exp...

Ngày tải lên: 21/06/2014, 00:20

... μ  t  q  t  with p, q ∈R, 2.3 and e p t, t 0  is the exponential function on time scales; for more details on time scales, see 8, 9. Now we will give the OuIang inequality on time scales. Theorem ... Dynamic Equations on Time Scales: An Introduction with Application, Birkh ¨ auser, Boston, Mass, USA, 2001. 9 M. Bohner and A. Peterson, Eds., Advances in Dynamic Equation...

Ngày tải lên: 21/06/2014, 07:20

... not difficult to provide similar results for other specific time scales of interest. For example, consider the time scale T  {0, 1,q,q 2 , } with q>1. Note that σtqt and μtq − 1t for any ... independent variables on time scales,” Journal of Mathematical Inequalities, vol. 2, no. 2, pp. 163–184, 2008. 11 D. B. Pachpatte, “Explicit estimates on integral inequalities with t...

Ngày tải lên: 21/06/2014, 07:20

... walking sequences: he/she walks normal ly four times, walks slowly twice, and walks quickly twice, all without a backpack, and then walks at a normal speed with a backpack twice. The database has 153 ... (c) (d) Figure 1: GEI for (a) walking normally, (b) walking with a backpack, (c) walking slowly, and (d) walking quickly. than GEI with respect to the walking speed, it per forms poorly...

Ngày tải lên: 21/06/2014, 20:20

... 192, no. 1, pp. 186–233, 2002. 4 F. Gazzola, H C. Grunau, and E. Mitidieri, “Hardy inequalities with optimal constants and remainder terms,” Transactions of the American Mathematical Society, ... 2   ω N | Ω |  2/N  Ω | ∇u | 2 dx. 1.7 Inequality 1.7 is optimal in case Ω is a ball centered at zero. Combining Theorem 1.1 with 1.2,wehavethefollowing. 4 Journal of Inequalities and...

Ngày tải lên: 22/06/2014, 02:20

... Analysis 60 (2005), no. 2, 209–220. [2] M. Bohner and A. Peterson, Dynamic Equat ions on Time Scales. An Introduction with Applica- tions,Birkh ¨ auser, Massachusetts, 2001. [3] H. Brezis, Analyse fonctionnelle. ... Cabada, Extremal solutions for the difference φ-Laplacian problem with nonlinear functional boundary conditions, Computers & Mathematics with Applications 42 (2001), no...

Ngày tải lên: 22/06/2014, 22:20

... of f R , 12 Dynamic lower and upper solutions without ordering [3] M. Bohner and A. Peterson, Dynamic Equations on Time Scales. An Introduction with Applica- tions,Birkh ¨ auser Boston, Massachusetts, ... problems on time s cales,AdvancesinDifference Equations 2005 (2005), no. 1, 81–92. [13] S. G. Topal, Second-order periodic boundary value problems on time scales, Computers & Math...

Ngày tải lên: 22/06/2014, 22:20