exact least squares and cubic spline curve fits
Báo cáo hóa học: " Research Article A New Method for Least-Squares and Minimax Group-Delay Error Design of Allpass Variable Fractional-Delay Digital Filters" pdf
... Signal Processing and the respective inner iterations are three and two in the first and second outer iterations, and one in the others Figure 3(d) presents the final group-delay errors, and the errors ... maximally flat and weighted -least- squares variable fractional-delay filters,” IEEE Transactions on Circuits and Systems I, vol 54, no 12, pp 2718–2732, 2007 [11] J J Shyu, S C Pei, C H Chan, and Y D ... 1557–1564, 1987 [27] M Lang and T I Laakso, “Simple and robust method for the design of allpass filters using least- squares phase error criterion,” IEEE Transactions on Circuits and Systems II, vol 41,...
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Báo cáo hóa học: " Research Article NLOS Identification and Weighted Least-Squares Localization for UWB Systems Using Multipath Channel Statistics" potx
... kurtosis, and the delay statistics are evaluated using the mean excess delay and the root mean square (rms) delay spread of the received MPCs And third, to analyze different weighted least- squares ... mean and standard deviation of In(τ m ) and In(τ rms ) as well as the K-S passing rates are tabulated in Table 2, and their corresponding PDFs are depicted ˙ Ismail G¨ venc et al u ¸ in Figures and ... Correlation coefficient between two random variables R1 and R2 is given by ρR1 ,R2 = (E(R1 R2 ) − E(R1 )E(R2 ))/σ R1 σ R2 , where σ R1 and σ R2 are the standard deviations of R1 and R2 , respectively (13)...
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Báo cáo hóa học: " A Constrained Least Squares Approach to Mobile Positioning: Algorithms and Optimality" pot
... these two modified algorithms are referred to as the quadratic correction least squares (QCLS) and linear correction least squares (LCLS), respectively Recently, we have improved [18] the performance ... Processing Table 1: List of abbreviations and symbols AOA Angle-of-arrival CWLS Constrained weighted least squares CRLB Cram´ r-Rao lower bound e NLS Nonlinear least squares RSS Received signal strength ... constrained weighted least squares (CWLS)/weighted least squares (WLS) mobile location approach for time-of-arrival (TOA), received signal strength (RSS), time-difference-of-arrival (TDOA), and angle-of-arrival...
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Báo cáo hóa học: " Research Article Equalization of Loudspeaker and Room Responses Using Kautz Filters: Direct Least Squares Design" pot
... scientific and engineering papers and contributed to organizing several conferences and workshops He is an AES Fellow and Silver Medalist as well as Member of IEEE (Institute of Electrical and Electronics ... sets; (b) phase functions and phase derivatives; (c) on log-scale; and (d) in dB on log-scale all pass filter we have utilized an iterative procedure proposed by Brandenstein and Unbehauen [25], which ... lines in the middle of the figure) and R = 0.03 (see (15b)) After lowand high-frequency roll-off compensations to avoid boosting off-bands of the speaker, as shown by Curve (c), the EQ filter resulting...
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Báo cáo y học: " Predicting transcription factor activities from combined analysis of microarray and ChIP data: a partial least squares approach" potx
... other regulators, and rarely act independently Partial least squares regression Here we propose to employ the method of partial least squares regression [15] to infer true TFAs and the functional ... NL: Canonical partial least squares and continuum power regression J Chemometrics 2001, 15:85-100 Datta S: Exploring relationships in gene expressions: a partial least squares approach Gene Expression ... point time point Figure for the E Coli (top and middle row) and Spellman (bottom row) data sets Y-loadings Y-loadings for the E Coli (top and middle row) and Spellman (bottom row) data sets each...
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Tài liệu 21 Recursive Least-Squares Adaptive Filters doc
... recursive least- squares (RLS) algorithms and the corresponding fast versions (known as FTF and FAEST), QR and inverse QR algorithms, least- squares lattice (LSL), and QR decomposition-based least- squares ... recursive least- squares algorithms (FTF and FAEST) were independently derived in [11] Carayannis, G., Manolakis, D., and Kalouptsidis, N., A fast sequential algorithm for least squares filtering and ... as in (21.23) 21.4 The Recursive Least- Squares Problem The recursive least- squares formulation deals with the problem of updating the solution w of a least squares problem (regularized or not)...
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Báo cáo khoa học: "Sequential Labeling with Latent Variables: An Exact Inference Algorithm and Its Efficient Approximation" ppt
... LDI -Exact (here, exact means the n is big enough, e.g., n = 10K), the BMP, and the BHP on DPLVM mod- Results and Discussions 5.1 Bio-NER Figure shows the F-measure, exactitude, #latentpath and ... texts Proceedings of EMNLP’02 John Lafferty, Andrew McCallum, and Fernando Pereira 2001 Conditional random fields: Probabilistic models for segmenting and labeling sequence data Proceedings of ICML’01, ... Speech and Signal Processing, v1:532–535 V Goel and W Byrne 2000 Minimum bayes-risk automatic speech recognition Computer Speech and Language, 14(2):115–135 779 P.E Hart, N.J Nilsson, and B Raphael...
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Báo cáo " Computing vertical profile of temperature in Eastern Sea using cubic spline functions " doc
... linear interpolation and one uses cubic spline functions for interpolation, we can see an advantage of the latter: the cubic spline functions give smoother curve of profiles, and the profiles reflect ... the horizons 0, 10, 20, 30, 50, 75, 100, 125, 150, 200, 250, 300, 400, 500, 600, 800 and 1000m Using the cubic spline functions, we computed the temperature values at different a1 a2 a3 24.88 24.89 ... surface to 1000m, and the result gives us the cubic polynomials at the intervals [ z0 , z1 ], [ z1 , z2 ], , (5) T − T T − T Fk = 3 k −1 k − k k +1 , hk +1 hk k = 1, 2, , n and: hk = xk...
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Báo cáo nghiên cứu khoa học " Computing vertical profile of temperature in the SOUTH-China SEA using Cubic Spline functions " docx
... linear interpolation and the interpolation using cubic spline functions, we can see the advantage of the later one The cubic spline functions give smoother curve of profiles and the profiles reflect ... 600, 800 and 1000 m Using the cubic spline functions we have computed the temperature values from the surface layer to the 1000 m layer at different layer of distance m will gives us the cubic polynomials ... "Hydrometeoizdat", Leningrad, 134 p (in Russian) Schoenberg I, J., 1964 Spline function and the problem of graduation Pro Nat USA Sử dụng hm spline bậc ba để tính trắc diện thẳng đứng nhiệt độ nớc biển...
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Báo cáo hóa học: " Approximately cubic functional equations and cubic multipliers" pdf
... order and investigate the generalized Hyers-Ulam-Rassias stability and the superstability by using the alternative fixed point for cubic functional Equation (1.2) and their correspondent cubic ... (3:7) The proof of Theorem 2.2 shows that T is a cubic mapping If we substitute z and w by 2nz and 2nw in (3.1), respectively, and put x = y = and we divide the both sides of the obtained inequality ... Bodaghi et al.: Approximately cubic functional equations and cubic multipliers Journal of Inequalities and Applications 2011 2011:53 Submit your manuscript to a journal and benefit from: Convenient...
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Báo cáo hóa học: " Approximately cubic functional equations and cubic multipliers" pot
... order and investigate the generalized Hyers-Ulam-Rassias stability and the superstability by using the alternative fixed point for cubic functional Equation (1.2) and their correspondent cubic ... (3:7) The proof of Theorem 2.2 shows that T is a cubic mapping If we substitute z and w by 2nz and 2nw in (3.1), respectively, and put x = y = and we divide the both sides of the obtained inequality ... Bodaghi et al.: Approximately cubic functional equations and cubic multipliers Journal of Inequalities and Applications 2011 2011:53 Submit your manuscript to a journal and benefit from: Convenient...
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Báo cáo hoa học: " Research Article Solution and Stability of a Mixed Type Additive, Quadratic, and Cubic Functional Equation" pdf
... 2.27 6fe 2x y y 2fe 2x − y − 12fe x − 3fe y 2.28 and interchanging x and y yields fe 4x y 4fe x y By adding 2.27 and 2.28 and then using 2.25 and 2.26 , we lead to fe x 4y fe 4x y 32fe x 24fe ... by letting A x − 1/6 Ao x , and C x x ∈ X To prove the uniqueness of A and C, let A1 , C1 : X → Y be another additive and cubic maps satisfying 3.29 Let A A − A1 , and let C C − C1 So A x −C ... functions,” Abstract and Applied Analysis, vol 2008, Article ID 801904, 17 pages, 2008 33 M E Gordji and H Khodaei, “Solution and stability of generalized mixed type cubic, quadratic and additive functional...
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Báo cáo hóa học: " Decision-Directed Recursive Least Squares MIMO Channels Tracking" docx
... signal transmission model and the channel model are introduced In Section 3, the least squares algorithm is derived and extended as a joint blind channel detection and estimation algorithm In ... Doppler frequency of the pth path channel THE BLIND RECURSIVE LEAST SQUARES JOINT DETECTION AND ESTIMATION In Appendix A, recursive least squares algorithm is derived for the estimation of the MIMO ... normalized power for training and data bits are assumed In all simulations, receiver antennas and and transmitter antennas are considered that correspond to × (half rank) and × (full rank) MIMO channels...
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Báo cáo hóa học: " Non-Data-Aided Feedforward Carrier Frequency Offset Estimators for QAM Constellations: A Nonlinear Least-Squares Approach" potx
... w(n), , w(n) , (22) The superscripts ∗ and H stand for conjugation and conjugate transposition, respectively The notations “re” and “im” stand for the real and imaginary parts, respectively Non-Data-Aided ... Swami, and A K Nandi, “Non-linear least squares estimation for harmonics in multiplicative and additive noise,” Signal Processing, vol 78, no 1, pp 43–60, 1999 [5] M Ghogho, A Swami, and T Durrani, ... + τ) e− j2παn e− j2π f τ , k=0 ˙ J(θ) := and S2e (α; f ) and S2e (α; f ) stand for the unconjugate and conjugate cyclic spectra of e(n) at cycle α and frequency f , defined as S2e (α; f ):= k...
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Báo cáo hóa học: " A Methodology for Rapid Prototyping Peak-Constrained Least-Squares Bit-Serial Finite Impulse Response Filters in FPGAs" pptx
... response performance Least squares and minimax (equiripple) stopbands can be obtained using the PCLS methods described in [6, 7, 8, 9] Neither least squares nor minimax stopbands are effective at ... passband for the filters with the hardware cost of 1144 and 668 LEs for Adams’ filter (95 taps, passband ripple = dB, passband cutoff = 0.125π rad, stopband cutoff = 0.1608π rad, and minimum stopband ... cost and PSR results for proposed rapid prototyping design method for Adams’ filter (95 taps, passband ripple = dB, passband cutoff = 0.125π rad, stopband cutoff = 0.1608π rad, and minimum stopband...
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Báo cáo toán học: "Frequency squares and affine designs" pdf
... in i and j: Fij = α, Fij = β There are two cases to examine: Case X = X : Then λ > and so µ > Choose any j (1 ≤ j ≤ µm) Let Yα and Yβ meet the line Lj at Ljt and Lju , respectively In Γ, Xt and ... exactly λ parallel classes We say two lines are parallel if they are parallel to the same λ parallel classes It is well known and easy to prove that a line L has at most m points; and L has exactly ... 1)2 /(m − 1) squares The set is complete if it has this many squares According to [2], the only complete sets of MOFS known are of type F (n, µ) with either: (i) m a prime power and n a power...
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Báo cáo toán học: "Random Matrices, Magic Squares and Matching Polynomia" ppt
... det(M) (3) and The moments of traces were studied by Diaconis and Shahshahani [23] and Diaconis and Evans [21] who proved the following result: Theorem (a) Consider a = (a1 , , al ) and b = (b1 ... nonnegative integers and whose rows and columns sum up to the same number j The number of magic squares of order k with row and column sum j, denoted by Hk (j), is of great interest; see [22] and references ... graph and let p(G) be the total number of matchings in G Let X be the random variable whose value is the number of edges in a randomly chosen matching; denote by m(G) its mean and by σ(G) its standard...
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Báo cáo toán học: "On the area discrepancy of triangulations of squares and trapezoids" pot
... segment F M The triangles ∆1 and ∆3 we triangulate into at1 and at3 triangles of equal areas by placing at1 − and at3 − vertices equidistantly on the line segments AB and DC, respectively This yields ... satisfying the conditions (i), (ii), and (iii) Then {Tni }i≥0 gives rise to sequences {Tn′i }i≥0 and {Tn′′ }i≥0 of triangulations of the i triangles ∆1 and ∆2 into n′i and n′′ triangles, respectively ... D1 and the area of D2 is at least A1 A2 − ′′ , n′i ni because the maximum over all differences between the area of a triangle in Tn′i and the area of a triangle in Tn′′ is minimal if both ∆1 and...
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báo cáo khoa học: "Computing genetic evaluations through application of generalized least squares to an animal model" pot
... (breeding values) of animals with records in y,, random with mean zero and variance A and a;, l i e is the vector of residuals, random with mean zero and variance Iu’ i is The breeding value of the ... with order and rank least squares solution to generalized with one (13) equal to the rank of X, q is the solution to or, equivalently, or, equivalently, That b is the generalized least squares solution ... (1980) If y ; and the model becomes the reduced animal model of QuAAs and contains only daughter records and a contains only male breeding i values, then suitable redefinition of e T,, and D generates...
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A novel meshfree smoothed least squares(SLS) method with applications to dielectrophoresis simulations
... cubic spline, quartic spline, exponential spline and new quartic smoothing function Details on weight functions will be discussed in the following section when we introduce the Moving Least- Squares ... novel meshfree smoothed least- squares (SLS) method 45 2.1 Introduction 45 2.2 Meshfree smoothed least- squares (SLS) formulation 47 2.2.1 General least- squares formulations ... (Atluri and Zhu, 2000), 4th order thin beams (Atluri et al., 1999a) and thick beams (Cho and Atluri, 2001), linear fracture problems (Ching and Batra, 2001), fluid mechanics problems (Lin and Atluri,...
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