Báo cáo hóa học: "Research Article Discrete-Time Modelling of the Moog Sawtooth Oscillator Waveform" doc

... Waveform-Based Modelling Using Phase Distortion Synthesis The first discrete-time model of the Moog sawtooth wave- form oscillator proposed here is based on direct time-domain modelling of the target ... Waveform, (b) the spectrum, and (c) the harmonic magnitude error of the PD model of the Moog sawtooth oscillator output, that is, the difference betwee...

Ngày tải lên: 21/06/2014, 05:20

... n r denotes the number of rows in the parity check matrix of the code, u k is the number of nonzero elements in the kth row of the parity check matrix and n iter is the number of iterations of the optimization ... as l ( S ( k )) = ( −1 ) u k +1 atanh ⎛ ⎝ u k  j=1 tanh ⎛ ⎝  r  k j  2 ⎞ ⎠ ⎞ ⎠ , (7) where r ( i ) = 2 σ 2 r ( i ) (8) is the LLR of the ith r...

Ngày tải lên: 21/06/2014, 08:20

... OFDM symbol of the first slot of each subframe. For the normal CP duration, the PHICH is also mapped into the first OFDM symbol of the first slot of each subframe. On the other hand, for the extended ... defining the control channels to resource element mapping. The size of the REG varies depending on the OFDM symbol number and antenna configuration [1]. The PCFIC...

Ngày tải lên: 21/06/2014, 11:20

... accelerate the convergence of the algorithm. The nature of the fixed point is determined by the char- acteristic values of the Jacobian matrix of partial derivatives evaluated at the fixed point. The ... right shows the histogram of the estimated parameters. The left column shows the time series of the estimated state functions of the hemodynamic respon...

Ngày tải lên: 21/06/2014, 20:20

... completes the proof of the theorem. Acknowledgment The authors are very grateful to the referees for their helpful comments and suggestions. 6 Fixed Point Theory and Applications The uniqueness of T ... 3791–3798, 2008. 17 D. H. Hyers, “On the stability of the linear functional equation,” Proceedings of the National Academy of Sciences of the United States of...

Ngày tải lên: 21/06/2014, 20:20

... 2. Acknowledgments This research is supported by the Grant 201/07/0145 of the Czech Grant Agency of the Czech Republic, and the Research Project MSM0022162409 of the Czech Ministry of Education. References 1 P. ˇ Reh ´ ak, ... Similarly, as in the proof of Theorem 4.1, denote w k  r k ΦΔh k /h k  and let w k be a solution of 2.1 generated by another solution l...

Ngày tải lên: 21/06/2014, 20:20

... synthetic aperture radar (POLSAR) data. We outline the theoretical basis of the well-know product model as described by the class of Scale Mixture models and discuss their appropriateness for modelling ... have higher variance. Considering the limited sample sizes used in the modelling, the benefit of such complicated modelling may not be significant. The article with...

Ngày tải lên: 21/06/2014, 19:20

... ≤ G  u  T   P. 2.53 The rest of the proof is similar to that of Theorem 2.8, and the details are omitted. The proof is completed. Theorem 2.10. Assume that the function ft, u 0 , ,u n−1  ... is neither eventually positive nor eventually negative, otherwise it is called nonoscillatory. 10 Advances in Difference Equations Proof. Arguing as in the proof of Theorem 2.8,...

Ngày tải lên: 21/06/2014, 05:20

... Tt, the assumption c obviously holds. Acknowledgments The work was supported by the NSF of China, the Key Project of Chinese Ministry of Education, the NSF of Jiangxi Province of China, the ... completes the proof. Remark 2.6. For some general conditions which can ensure that the assumption c in Theorem 2.5 holds, we refer the reader to 17, Theorem 4.5. In...

Ngày tải lên: 21/06/2014, 05:20

... nonnegative, and the existence results of nontrivial solutions and positive solutions are given by means of the topological degree theory. Motivated by the above works, we consider the singular third-order ... nonnegative. Remark 3.3. The function f in Theorem 3.1 is not monotone or convex; the conclusions and the proof used in this paper are different from the known papers...

Ngày tải lên: 21/06/2014, 05:20