spatio temporal statistics a very brief introduction
Solar irradiance modeling and forecasting using novel statistical techniques
Ngày tải lên :
09/09/2015, 08:14
... spatial, as well as spatio temporal frameworks Appendix A reviews the statistical preliminaries for this thesis 2.2 Spatio temporal statistics: a very brief introduction 26 A spatio temporal ... Mathematica and Matlab, R is an integrated suite of software facilities for data manipulation, calculation and graphical display It has distinct advantages over Mathematica and Matlab in terms of statistical ... cities in Iran Mellit and Pavan (2010) forecast solar irradiance of a grid connected PV plants in Italy Yap and Karri (2012) forecast global radiation in Australia and compared to a few other...
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Báo cáo hóa học: " Research Article A Simple Differential Modulation Scheme for Quasi-Orthogonal Space-Time Block Codes with Partial Transmit Diversity" ppt
Ngày tải lên :
22/06/2014, 19:20
... obtains lower BER Again, the major advantage of our scheme is that it has low complexity and avoids signal constellation expansion CONCLUSIONS In this paper we present a QO-STBC-based differential ... modulation scheme for multiple antenna systems The major contributions of the method are that the transmission signals can maintain constant amplitude, and avoid signal constellation expansion ... [11–13] have complexity about 22b+1 Note that the QAM constellation has better Euclidean distance than PSK, such that it can give a relatively better performance 3.3.2 Differential partial-diversity...
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Báo cáo hóa học: " Space-Time Coded OFDM with Low PAPR Anand Venkataraman, Harish Reddy, and Tolga M. Duman" pptx
Ngày tải lên :
22/06/2014, 23:20
... original data bits can be recovered at the receiver using syndrome former decoding PAPR for a MIMO-OFDM signal is defined as the maximum of the PAPRs among all parallel transmit antenna branches PAPR ... University, Turkey REFERENCES [1] D Agrawal, V Tarokh, A Naguib, and N Seshadri, “Spacetime coded OFDM for high data-rate wireless communication Anand Venkataraman et al [2] [3] [4] [5] [6] [7] [8] ... Ontario, Canada, September 1995 V Tarokh and H Jafarkhani, “On the computation and reduction of the peak-to-average power ratio in multicarrier communications,” IEEE Transactions on Communications,...
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Forecasting UK GDP growth, inflation and interest rates under structural change: a comparison of models with time-varying parameters potx
Ngày tải lên :
06/03/2014, 14:20
... TVP-VAR (General) TVP-VAR (Standard) TVP-VAR (Homoscedastic) TVP-FAVAR TVP-FAVAR (Homoscedastic) FAVAR UC TVAR (GDP) TVAR (Inflation) TVAR (Rate) ST-VAR (GDP) ST-VAR (Inflation) ST-VAR (Rate) VAR ... models that incorporate a gradual change in parameters and also include a large set of explanatory variables particularly well as far as the inflation forecast is concerned recording gains (over ... (General) TVP-VAR (Standard) TVP-VAR (Homoscedastic) TVP-FAVAR TVP-FAVAR (Homoscedastic) FAVAR UC TVAR (GDP) TVAR (Inflation) TVAR (Rate) ST-VAR (GDP) ST-VAR (Inflation) ST-VAR (Rate) VAR (Rolling)...
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Báo cáo hóa học: " Unscented Kalman filter with parameter identifiability analysis for the estimation of multiple parameters in kinetic models" pptx
Ngày tải lên :
20/06/2014, 22:20
... Table and Figure In each case, the mean and standard deviation are calculated for the 97 repetitions, and are used for the comparison Four values are plotted for each parameter in the bar chart ... individually found that Km11Suc has a strong linear relationship with parameter Vmax11, as illustrated in Figure A similar analysis was unable to find a simple relationship between Ki4F6P and any ... orthogonal nature of the parameter identifiability approach proposed by Yao et al can only deal with collinearity A second possible explanation could be the local identifiability approach, as applied...
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Báo cáo hóa học: " Research Article Spatial Capacity of UWB Networks with Space-Time Focusing Transmission" pot
Ngày tải lên :
21/06/2014, 11:20
... For a given outage probability, the spatial capacity is the maximal sum transmission rate of all users who can communicate peer-to-peer simultaneously in a fixed area In a landmark paper of ad ... ultrawideband transmission scheme,” IEEE Transactions on Antennas and Propagation, vol 58, no 5, Article ID 5422614, pp 1731–1738, 2010 [17] H El-Sallabi, P Kyritsi, A Paulraj, and G Papanicolaou, ... from each transmit antenna to the receive antenna are different As a result, the prefilters at different transmit antennas are different Denote the channel response and the propagation delay from...
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Báo cáo hoa học: " Research Article Multiple Positive Solutions for Nonlinear First-Order Impulsive Dynamic Equations on Time Scales with Parameter" ppt
Ngày tải lên :
21/06/2014, 20:20
... 1990 V Lakshmikantham, S Sivasundaram, and B Kaymakcalan, Dynamic Systems on Measure Chains, vol 370 of Mathematics and Its Applications, Kluwer Academic Publishers, Dordrecht, The Netherlands, ... Bohner and A Peterson, Dynamic Equations on Time Scales: An Introduction with Applications, Birkh¨ user, Boston, Mass, USA, 2001 a M Bohner and A Peterson, Eds., Advances in Dynamic Equations ... Let E be a real Banach space and K ⊂ E be a cone A function α : K → 0, ∞ is called a nonnegative continuous concave functional if α is continuous and − t y ≥ tα x α tx for all x, y ∈ K and t ∈...
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Báo cáo hóa học: " Research Article Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets" potx
Ngày tải lên :
22/06/2014, 19:20
... employs Alamouti code The channel gains are assumed circular, complex Gaussian with unit variance and stationary over one frame duration (flat fading) The analytical plots of SIR and probability ... zero mean and certain diagonal covariance matrices ANALYTICAL AND SIMULATION RESULTS The analytical and simulation results for a frame consisting of two pilot blocks and three OSTBC blocks are shown ... consist of Gaussian data and have zero mean and diagonal covariance matrices (see the appendix), we may assume without loss of generality that all the interference terms are Gaussian distributed...
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Báo cáo hóa học: " Research Article Diversity Analysis of Distributed Space-Time Codes in Relay Networks with Multiple Transmit/Receive Antennas" pot
Ngày tải lên :
22/06/2014, 19:20
... is assumed that fmi and gin have the same variance Physically, this means that the distances between the transmitter/receiver and all relays are about the same, which may not be a practical assumption ... multiple-antenna nodes as relays The transmitter has M transmit antennas, the receiver has N receive antennas, and the ith relay has Ri antennas Since the transmit and received signals at different antennas ... Gaussian distributed with mean zero and variance one, or equivalently, both the real and imaginary parts of every entry in G are Gaussian with mean zero and variance 1/2, (1/R)G∗ G is known as...
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Báo cáo hóa học: " Research Article Distributed Space-Time Block Coded Transmission with Imperfect Channel Estimation: Achievable Rate and Power Allocation" pot
Ngày tải lên :
22/06/2014, 19:20
... investigate the adaptive power allocation scheme that achieves the outage capacity lower bound of the channel Outage capacity is the maximum constant-rate that can be achieved with an outage probability ... and identically distributed (i.i.d.) Rayleigh fading channels In particular, it has been proven that spatio- temporal water-filling is the optimal power allocation strategy that achieves the capacity ... Communications, Cambridge University Press, New York, NY, USA, 2003 [5] A Maaref and S A ssa, “Performance analysis of orthogı onal space-time block codes in spatially correlated MIMO Nakagami fading...
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Báo cáo hóa học: " Differential Detection of Space-Time Spreading with Two Transmit Antennas" ppt
Ngày tải lên :
22/06/2014, 22:20
... transmit antennas and N receive antennas That is, additional receive diversity gain can still be achieved with DSTS when multiple receive antennas are available For QAM signals, the multiplicative ... channel is assumed to be quasistatic and neighboring symbols not have significant changes on channel gains In practice, high-rate data transmission always experiences slow enough quasistatic fading ... quasistatic, that is, the path gains for any two neighboring symbols are assumed to have very little difference and can be approximated as identical So for the paths between transmit antennas...
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Báo cáo y học: "Parameter estimation in biochemical systems models with alternating regression" docx
Ngày tải lên :
13/08/2014, 23:20
... identify advantages and failures of the AR algorithm in a fashion as unobstructed as possible Also, as we typically smooth raw data before estimating parameter values, the analysis of noisy data seems ... several features, including initial guesses for all parameters and the datasets Overall, these patterns are very complicated and elude crisp analytical evaluations This is not surprising, because ... Figure Summary of convergence patterns of AR Summary of convergence patterns of AR Panel A: all variables are initially used as regressors and constraints are imposed afterwards; Panel B: regression...
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On space time trellis codes over rapid fading channels with channel estimation
Ngày tải lên :
14/09/2015, 17:55
... random variable R can be formed as R = 2 X1 + X2 , where X1 and X2 are two zero-mean, statistically independent, Gaussian random variables, each having a variance of σ As a generalization, consider ... distribution of transmitted signals s(t) achieving the channel capacity is Gaussian, and the elements of s(t) are i.i.d Gaussian variables Thus, the signals transmitted from each antenna have equal powers ... the random variable n Xi2 R= (2.10) i=1 where the Xi , i = 1, · · · , n, are statistically i.i.d., zero-mean, Gaussian random variables with variance σ The random variable R has a Gamma distribution,...
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Performance analysis of space time block coded systems with channel estimation
Ngày tải lên :
16/09/2015, 08:31
... vertical BLAST sequential data blocks are distributed among consecutive antenna elements, whereas in diagonal BLAST, they are circularly rotated among the antenna elements The BLAST signal processing ... network where several adjacent base station simultaneously transmit the same message Later, and independently, a similar scheme was suggested by Seshadri and Winters for a single base station in which ... sub-channels are uncoupled and thus their capacities are summed up Assuming that transmit power from each antenna is identical, from (2.1), we can estimate the overall channel capacity as τ C=W log2...
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