Báo cáo hóa học: "Review Article Techniques to Obtain Good Resolution and Concentrated Time-Frequency Distributions: A Review" potx

... which allows an “underspread approximation” that leads to new, computationally efficient parameter estimators for the TFARMA, TFAR, and TFMA model parameters. The authors develop two types of TFAR and ... the concepts to application in various practical situations [50– 53, 68–91]. Their major work includes, signal-adaptive evolutionary spectral analysis and a parametric approach for...

Ngày tải lên: 21/06/2014, 20:20

... Mar´ın,S.Romaguera,andP.Tirado Instituto Universitario de Matem ´ atica Pura y Aplicada, Universidad Polit ´ ecnica de Valencia, Camino de Vera s/n, 46022 Valencia, Spain Correspondence should be addressed to ... py, y. A partial metric space is a pair X, p such that X is a set and p is a partial metric on X. Each partial metric p on X induces a T 0 topology τ p on X which h...

Ngày tải lên: 21/06/2014, 05:20

... transpose conjugate operation and SNR is the signal -to- noise ratio at the receiver. The channel capacity C was calculated by assuming a fixed SNR equal to 10 dB. A constant SNR was chosen because ... in a straight tunnel having an arched cross-section, which is the shape of most road and railway tunnels. The transmitting and receiving arrays are supposed to be linear arrays,...

Ngày tải lên: 21/06/2014, 22:20

... restoration, and image measure- ment problems in quantitative microscopy and medical imaging. In 1996 he was awarded a fellowship of the Royal Netherlands Academy of Arts and Sciences (KNAW). ... Ky, USA, May 1996. [14] R.C.Hardie,K.J.Barnard,J.G.Bognar,E.E.Armstrong ,and E. A. Watson, “High -resolution image reconstruction from a sequence of rotated and translated frames and...

Ngày tải lên: 22/06/2014, 20:20

... Mathematics, Shanghai Jiao Tong University, Shanghai 200240, China 2 Department of Mathematics and Physics, Anyang Institute of Technology, Anyang, Henan 455000, China 3 Department of Mathematics, ... differential equations are required to satisfy boundary conditions at more than one value of the independent variable, the resulting problem is called a multipoint boundary value problem,...

Ngày tải lên: 21/06/2014, 05:20

... kth relay has m k antennas, and  K k =1 m k = M 1 . The source and destination are assumed to have M 0 and M 2 antennas, respectively. We assume that the source and each relay have an average power ... the channel matrix between the last β n antennas of stage n and the last m antennas of stage n+1 of partition P 2 . Basically we pick m and β n antennas alternatively, note that...

Ngày tải lên: 21/06/2014, 20:20

... links into account. Outage probability calculations and simula- tion results prove that the new adaptive AF and DF protocols perform asymptotically better than their corresponding AF and DF protocols, ... equivalent model of the form Y = HX+W can be cal- culated for any number of relays. After vectorization and sep- aration of real and imaginary parts of complex expressions, we obt...

Ngày tải lên: 22/06/2014, 19:20

... Latin American Spanish (es–LatAm), Brazilian Portuguese (pt- BR), Mandarin (zh-CN-Mand) and Japanese (ja-JP). For each of the source languages, we have sufficient data and linguistic coverage to ... between the American English and Mandarin databases. The American English database consists of a minority of second language speakers of English, especially native Chinese and Indian spe...

Ngày tải lên: 22/06/2014, 19:20

... was tape recorded on an audio cassette and a written verbatim transcript was produced in Mar- athi. The transcript was translated into English and checked for accuracy using a forward-backward ... Huberman AM: Qualitative Data Analysis: An Expanded Sour- cebook 2nd edition. Thousand Oaks, CA: Sage; 1994. 50. Padgett DK: Qualitative Methods in Social Work Research: Challenges and Re...

Ngày tải lên: 20/06/2014, 08:20

... veloped in a context of narrowband multipath p rop- agation, its application remains valid in any environment provided that the received signals can be modeled as in (1), and that the appropriate requirements ... rank under assumptions A1 to A4 in [2]. In the same issue, it is also shown that matrices C 1 and C 2 of (4)evaluateto C 1 = BΛB † , C 2 = BDΛB † ,(8) where Λ and D are b...

Ngày tải lên: 21/06/2014, 05:20