... generalized ODE system, and then generate FORTRAN 77 code for evaluating [Cs for the ODE system Trang 30Conclusion Good progress has been made since AWA in speed, tightness of bounds, and applications ... ,300 for t € [0,5 Order is 20, atol = rtol = 10712 For each n, VNODE-LP takes 8 steps 21 Trang 26 Solve an IVP for a DAE system with n equations f; in n dependent variables x; = x;(t) of the form ... methods for classes of problems may be a feasible approach An efficient method for stiff problems is needed An “interval version“ of DE'TEST, a test set for assessing approximate solvers for IVP
Ngày tải lên: 12/01/2014, 21:46
... percentage Potential for use revolving stool for cleaning and grading of grains SWOT (strengths, weaknesses, opportunities and threats) analysis for use of improved tools for cleaning and grading of ... cleaner and spiral grader improved the work posture, therefore reduced aches and pains in the back and cervical region of women in cleaning and grading of grains and enhanced the work efficiency and ... dissemination of improved tools for farm women for cleaning and grading of grains; to assess the comparative ergonomics of cleaning and grading performance with traditional and improved methods;
Ngày tải lên: 15/05/2020, 12:48
Advanced Methods and Tools for ECG Data Analysis - Part 4 ppsx
... ml/s), and voltage, to pressure (P , mmHg) The model consists of six compartments which represent the left and right ventricles (l ,r ), systemic arteries and veins (a, v), and pulmonary arteries and ... correlation between respiration and the cardiovascular effort is toCom-be expected For this reason, these results cannot Com-be assumed to hold for normalsubjects and the results may indeed be ... plings and added noise is capable of displaying similar forms of synchronization cou-as that observed for real signals In particular, short episodes of synchronizationappear and disappear at random
Ngày tải lên: 13/08/2014, 12:20
Advanced Methods and Tools for ECG Data Analysis - Part 5 pdf
... morphol-wavelets (except for the Haar wavelet) Therefore, bior 3 3 is a good choice for a general ECG filter It should be noted that the filtering performance of each waveletwill be different for different ... and baseline wander (BW), and (4) power-line interference, sinusoidal noise with f ≈ 33 Hz ±2 Hz. Figure 5.10 illustrates the time series, power spectra, and distributions of ferent signals and ... sources (such as thenoise or artifact sources) and inverting the transformation, we effectively perform a filtering of the signal This is true for both ICA and PCA, as well as Fourier-basedtechniques
Ngày tải lên: 13/08/2014, 12:20
Advanced Methods and Tools for ECG Data Analysis - Part 6 docx
... dimension, m, for signals havingγ = 10, 5, 2.5 For γ = 10, maxima occur at χ = 2.2171 and ρ = 0.9990, both with m = 20 For the intermediate signal to noise ratio, γ = 5, maxima occur atχ = 2.6605 and ρ ... factor,χ, and (b) correlation, ρ, for ICA with recon-struction dimension, m, and delay, d = 1 The signal-to-noise ratios are γ = 10 (•), γ = 5 (), and γ = 2.5 (). Table 6.1 Noise Reduction Performance ... Reduction Factor,χ, and Correlation, ρ, for Both NNR and ICA for Three Signal-to-Noise Ratios,γ = 10,5,2.5 cation of the ECG signal If the morphology of the ECG is of importance and thevarious waves
Ngày tải lên: 13/08/2014, 12:20
Advanced Methods and Tools for ECG Data Analysis - Part 7 ppt
... signals, and L the number of samples of the EDR signals For single-lead EDR algorithms based on wave amplitudes (Section 8.2.1) and for EDR algorithms based on HR (Section 8.3), J = 1 For EDR ... on Beat Morphology 225where the matrices Uτ and Vτ contain the left and right singular vectors from the The parameters ˆQτ and ˆγ τ are calculated for all values ofτ, with ˆQ resulting from thatτ ... respiratoryinformation should be compared to the respiratory information simultaneouslyrecorded However, simultaneous recording of ECG and respiratory signals is diffi-cult to perform in certain
Ngày tải lên: 13/08/2014, 12:20
Advanced Methods and Tools for ECG Data Analysis - Part 8 docx
... value over 72 seconds in length and has to change for more than Ks = 50 µV for the ST level function (and for more than qrs= 0.5 SD and st = 0.4 SD for QRS and ST Mahalanobis distance functions) ... original database, and perfor-mance statistics are derived for each new database The mean, standard deviationand median of expected performance, as well as the minimum expected perfor-mance (5% confidence ... will the ST analyzer perform in the real world? In this section we describe performance measures and an evaluation protocol forassessing the performance of ST algorithms and analyzers according
Ngày tải lên: 13/08/2014, 12:20
Advanced Methods and Tools for ECG Data Analysis - Part 9 ppsx
... particular, the Q and T off single-beat segmentation errors of 5.5 ms and 12.4 ms for lead II, and 3.3 ms and 9.5 ms for lead V2, are significantly better than the corresponding errors for the HMM ... Segmentation and Feature Extraction Figure 11.7 Filter bank for the undecimated wavelet transform. At each level k of the transform, the operators g and h correspond to the highpass and lowpass ... generally reliable) and abnormal or unusual ECG waveforms (for which the... B, Vol 39, No 1, 197 7, pp 1–38 Bishop, C M., Neural Networks for Pattern Recognition, Oxford, U.K.: Oxford University
Ngày tải lên: 13/08/2014, 12:20
Advanced Methods and Tools for ECG Data Analysis - Part 10 pps
... Unsupervised Learning for ECG Classification Figure 13.15 SOM-based data visualization for sleep apnea data set: (a) U-matrix; and (b) label map ‘‘1’’ stands for Class Normal and ‘‘2’’ represents ... Learning for ECG Classification healthcare environment, ECG data are commonly stored and analyzed using ferent formats and software tools Thus, there is a need to develop cross-platformsolutions ... depicted in Figures 13.14 and13.15 The SOM Toolbox automatically selects the map size for each data set Inthis example: 23×16 neurons for the ECG beat data set, and 28×8 neurons for thesleep apnea data
Ngày tải lên: 13/08/2014, 12:20
Inlay tools for advanced and modern materials GB LR kho tài liệu bách khoa
... Conformity Seco material groups 46 Classification 47- 51 52- 55 Secomax – PCBN, CBN170 Grade description CBN170 Solid and ... 52- 55 Secomax – PCBN, CBN170 Grade description CBN170 Solid and brazed tips (double sided) • For high speed continuous cuts in nickel based superalloys (ap
Ngày tải lên: 29/11/2019, 17:57
Tài liệu Báo cáo khoa học: a-Conotoxins as tools for the elucidation of structure and function of neuronal nicotinic acetylcholine receptor subtypes doc
... still be present in the snails and could supply novel ligands for mammalian nAChRs (for evolution, diversity and biosynthesis of a-conotoxins see [30,31]) ImI and ImII The first a-conotoxin showing ... with similar sequences and selectivities for MII (SNPV motif in the first loop and nanomolar activity on a3/a6 containing nAChRs) and EpI and ImI (SDPR motif in the first loop and nanomolar activity ... hampered by a lack of selective ligands The snake neurotoxin a-bungarotoxin (a-BTX) is one of the first and most powerful tools for the purification, subtype differentiation and histologic labelling of
Ngày tải lên: 19/02/2014, 12:20
TOOLS AND ENVIRONMENTS FOR PARALLEL AND DISTRIBUTED COMPUTING pptx
... Alexey L Lastovetsky Tools and Environments for Parallel and Distributed Computing / Salim Hariri and Manish Parashar (Editors) Trang 6TOOLS AND ENVIRONMENTS FOR PARALLEL ANDTrang 7Published by ... message-passing tools (p4, PVM, and MPI) with respect to primitives and applicationperformance Chapter 3: Distributed Shared Memory Tools This chapter presents tools and environments for distributed ... among the system and application components, and the heterogeneity of the software tools and environments However, recent advances in processing and network technology and software tools have addressed
Ngày tải lên: 06/03/2014, 19:20
báo cáo hóa học:" Research Article HIFSuite: Tools for HDL Code Conversion and Manipulation" ppt
... one for signals and one for variables) and two assignment operators in Verilog (i.e., blocking and continuous) In SystemC, a single assignment applies for both signals and variables Notes 4 and ... Manipulation Tools This section presents a set of tools (i.e., EGEN, ACIF, TGen, and A2T) that have been developed upon the HIF core language and APIs for manipulating HW/SW descriptions Such tools ... SystemC Unfortunatly, the AIRE/CE language is strictly tailored for VHDL code, and thus, we experimented that it is not easy to extend the SAVANT environment for supporting other HDLs and particularly
Ngày tải lên: 21/06/2014, 11:20
Stochastic Tools for Mathematics and Science pptx
... University of California, Berkeley, and Math 280 at the University of California, Davis, for their comments, corrections, and patience, and in particular Ms K Schwarz, who corrected errors and obscurities ... Stochastic Process 4.2 Covariance and Spectrum 4.3 Scaling and the Inertial Spectrum of Turbulence 4.4 Random Measures and Random Fourier Transforms 4.5 Prediction for Stationary Stochastic Processes ... slightly different form Let the random variables ηi for i = 1, 2, be independent and have each the pdf f , with mean and variance as above, and construct the following sequence of random variables:...
Ngày tải lên: 23/03/2014, 23:20
Validation of brief screening tools for depressive and alcohol use disorders among TB and HIV patients in pdf
... from non-cases respectively (AUROC for CES-D = 0.78, and for AUDIT = 0.98 for women and 0.75 for men respectively), indicating that these were accurate screening tools The difference in Discussion ... sensitivity of 60% and PPV of 60% for women, and a sensitivity of 55% and PPV of 50% men for AUDs The sensitivities of the AUDIT were moderate (55% sensitivity for men; 60% for women), Chishinga ... high sensitivity and PPV while the AUDIT showed moderate sensitivity and PPV in men and women, indicating that these are suitable tools for screening current MDD and AUD among TB and ART patients...
Ngày tải lên: 11/08/2014, 15:22
Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 4 docx
... iterative equations for D(k) and D2(k), as given respectively by Eqs (4.16) and (4.30), and with the initial conditions for the function and its derivative The first elements for the y, D, and D2 arrays ... y(2 N ) + y(2 N + 1) that is, the weights are equal to for the first and last elements, equal to for even elements, and equal to for odd elements Example 4.7 Using Simpson’s rule, compute ... Question: Compute analytically from Eqs (4.58) and (4.59), the steady-state values for the higher excited state population and for the photon number, and compare with the numerically obtained asymptotic...
Ngày tải lên: 13/08/2014, 02:21
Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 5 potx
... analytically MATLAB has a built-in command that finds all the roots (real and complex) for any polynomial equation As previously noted, the MATLAB command for finding the polynomial roots is roots: ... that it satisfies, and its value and that of its derivative at x = 0, namely: J ( x = 0) = and J ( x = 0) = ′ The problem that we want to solve is to find the zeros of J0(x) and compare to these ... The command is poly poly(r) In-Class Exercise Pb 5.14 Find the roots of the polynomial p = [1 pute their sum and product 3], and com- Pb 5.15 Consider the two polynomials: p1 = [1 3] and p2 =...
Ngày tải lên: 13/08/2014, 02:21
Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 6 pdf
... values for the lower and upper cutoff frequencies and the sampling time: f1 = 200 Hz; f2 = 400 Hz; τ = 10–5 s find f0 and plot the gain curve as function of the normalized frequency for the bandpass ... rules for the addition and subtraction of vectors Example 6.2 Find the sum and difference of the complex numbers © 2001 by CRC Press LLC z1 = + 2j and z2 = + j Solution: Grouping the real and imaginary ... Analytically and numerically, obtain in the standard form an expression for each of the following quantities: a + 4j + 5j b 3+j (1 − j )(3 + j ) 1− 2j + j − c 2j 2 + 3j Pb 6.9 For any pair...
Ngày tải lên: 13/08/2014, 02:21
Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 7 pot
... element of the space; and b If a and b are constants, and ϕ and ψ are elements belonging to the space, then a ϕ + b ψ is also an element of the space There is an inner (dot) product for any two elements ... by CRC Press LLC for − ≤ x ≤ a for a < x ≤ (7.112) Solution: The conditions for the above theorem are satisfied, and cl = l + 1 2 ∫ P (x)dx a l (7.113) From Eq (7.96), and noting that Pl(1) ... Rseries Rparallel (7.43) The proof is straightforward Using Eq (7.37) and recalling Ohm’s law for n resistors {R1, R2, …, Rn}, the equivalent resistances for this combination, when all resistors are...
Ngày tải lên: 13/08/2014, 02:21
Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 8 pdf
... C = 0.25 F, and L = H: a Write the equations for the phasors of the voltages and currents b Form the matrix representation for the equations found in part (a) c Plot the magnitude and phase of ... primary tool for understanding and solving physical problems at the atomic and subatomic scales In this section, we define these matrices and find key properties of their eigenvalues and eigenvectors ... as these form the tools for the matrix formulation of ray optics and Gaussian optics, which are two of the major sub-fields of photonics engineering Example 8.16 Find the eigenvalues and eigenvectors...
Ngày tải lên: 13/08/2014, 02:21