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1949, AD-a380 965.
A procedure based on the Weissinger method has been devised so that the basic span loading and associated aerodynamic characteristics can be rapidly predicted... 
subsonic characteristics | taper | aspect ratio | varying sweep wings | comparison | span loading | aerodynamic loading | compressibility | model tests | weissinger method | twist(aerodynamics) | lifting surfaces | aq m00-11-3621
Government Document
IEEE Transactions on Automatic Control, ISSN 0018-9286, 04/1963, Volume 8, Issue 2, pp. 163 - 166
.... A model composed of a parallel connection of filters whose impulse responses are orthogonalized exponential functions is used... 
Linear systems | Time varying systems | Computational modeling | Linear regression | Anthropometry | Humans | Nonlinear filters | Measurement techniques | Regression analysis | Digital filters
Journal Article
IEEE Transactions on Communication Technology, ISSN 0018-9332, 02/1967, Volume 15, Issue 1, pp. 79 - 88
.... Such a model may be evaluated by comparing properties determined experimentally with those based on the hypothesized model... 
Data analysis | Time varying systems | Phase estimation | Hafnium | Communication channels | Nonlinear filters | Signal processing | Random processes | Data communication | Dispersion
Journal Article
IEEE Transactions on Automatic Control, ISSN 0018-9286, 10/1969, Volume 14, Issue 5, pp. 489 - 496
A method is proposed in this paper for the synthesis of an adaptive controller for a class of model reference systems in which the plant is not known exactly, but which is of the following type... 
Programmable control | Time varying systems | Control system synthesis | Nonlinear control systems | Signal generators | Vectors | State-space methods | Signal synthesis | Adaptive control | Equations | AUTOMATION & CONTROL SYSTEMS | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
AVAILABLE FROM THE NATIONAL TECHNICAL INFORMATION SERVICE AS PB-205 591, $3.00 IN PAPER COPY, $0.95 IN MICROFICHE. TECHNICAL REPORT HYD 12-7103, AUGUST 1971, 171 P, 39 FIG, 39 REF, 2 APPEND. OWRR C-1158 (NO 1591)(2) PT. 2, 08/1971
THE DEVELOPMENT AND APPLICATION OF A TWO-DIMENSIONAL LONG-TERM DYNAMIC NUMERICAL TRANSPORT MODEL WHICH IS CAPABLE OF DESCRIBING THE SPATIAL AND TEMPORAL SLOWLY-VARYING DISTRIBUTIONS OF CONSERVATIVE... 
SHALLOW ESTUARIES | CONVECTIVE-DISPERSION PROCESSES | LAVACA-TRES PALACIOS ESTUARY | TRANSPORT PROCESSES | GUADALUPE ESTUARY | GULF COAST | TIDAL HYDRAULICS | SLOWLY VARYING CONCENTRATION DISTRIBUTIONS | TRANSPORT MODELS
Journal Article
Journal of the ACM (JACM), ISSN 0004-5411, 07/1972, Volume 19, Issue 3, pp. 453 - 463
... processing unit (CPU) and N peripheral units are derived in an earlier paper by Bhat and Nance. Assumptions of the model are that job arrivals are Poisson, required... 
saturation conditions | variable user demand | time-sharing model | varying quantum | numerical inversion | Laplace transforms | busy period | COMPUTER SCIENCE, SOFTWARE ENGINEERING | COMPUTER SCIENCE, INFORMATION SYSTEMS | COMPUTER SCIENCE, HARDWARE & ARCHITECTURE | COMPUTER SCIENCE, THEORY & METHODS
Journal Article
Nuclear Engineering and Design, ISSN 0029-5493, 1972, Volume 23, Issue 3, pp. 331 - 346
This paper presents accurate theoretical results on temperature distributions and heat transfer coefficients for steady turbulent flow of a liquid metal in channels with an arbitrary prescribed wall... 
Journal Article
IEEE Transactions on Biomedical Engineering, ISSN 0018-9294, 09/1974, Volume BME-21, Issue 5, pp. 406 - 413
A variety of methods have been proposed for determining cardiac output from the shape of the central pulse pressure contour. Each of these methods uses a... 
Cardiovascular system | Heart rate | System testing | Shape | Time varying systems | Computer simulation | Humans | Cardiology | Biomedical monitoring | Pulse shaping methods | Blood Pressure | Cardiovascular Physiological Phenomena | Computers | Heart Rate | Vascular Resistance | Computers, Analog | Models, Biological | Cardiac Output | Pulse | Computers, Hybrid
Journal Article
IEEE Transactions on Circuits and Systems, ISSN 0098-4094, 05/1977, Volume 24, Issue 5, pp. 269 - 270
A new linear definition of the measure of multiparameter sensitivity is given and its linearity is investigated. 
Geometry | Circuit topology | Nonlinear equations | Filters | Stability | Time varying systems | Network topology | Linearity | RLC circuits | Circuit theory
Journal Article
Proceedings of the IEEE, ISSN 0018-9219, 11/1977, Volume 65, Issue 11, pp. 1549 - 1557
When a system has a periodically time variable component or parameter it is described by a differential equation with periodically varying coefficients, often of second order... 
Tutorial | Time varying systems | Circuits | Capacitors | Voltage | Differential equations | Capacitance | Frequency | Stability analysis | Model driven engineering
Journal Article
1977 IEEE Conference on Decision and Control including the 16th Symposium on Adaptive Processes and A Special Symposium on Fuzzy Set Theory and Applications, 12/1977, pp. 958 - 961
.... While this definition provides a natural explanation of the properties of constant-coefficient state-space models, it is not satisfactory for time-variant models... 
Time varying systems | Riccati equations | Laboratories | Kalman filters | State estimation | Tellurium | Information systems | Recursive estimation
Conference Proceeding
Journal of the American Statistical Association, ISSN 0162-1459, 12/1977, Volume 72, Issue 360, pp. 890 - 898
In an earlier article (Swamy and Mehta 1975), we formulated a particular decomposition for the coefficient vector in a relationship to be estimated from a time series of cross sections... 
Asymptotically normal | Linear models | Random time and cross-sectionally varying components of coefficients | Approximate generalized least-squares estimators | Weakly consistent | Regression coefficients | Maximum likelihood estimation | Mathematical procedures | Liquid assets | Theory and Methods | Matrices | Coefficients | Covariance matrices | Estimators | Consistent estimators
Journal Article
Journal of the American Statistical Association, ISSN 0162-1459, 12/1978, Volume 73, Issue 364, pp. 816 - 820
Exact tests of the hypothesis that the mean vector of an observed T-variate random variable follows a conventional fixed-coefficient linear model, against the alternative that the regression... 
Hypothesis testing | Regression | Time-varying parameters | Variance components | Random coefficients | Regression coefficients | Statistical variance | Economic models | Degrees of freedom | Time series models | Economic value | Theory and Methods | Linear regression | Random walk | Regression analysis | Linear models | STATISTICS & PROBABILITY
Journal Article
Automatica, ISSN 0005-1098, 1979, Volume 15, Issue 2, pp. 189 - 195
.... The controllability and observability theory for this kind of system is utilized to obtain a stabilizable linear periodic system with piecewise constant coefficients... 
time-varying systems | multivariable control systems | nonlinear control systems | control system synthesis | Bilinear control | hierarchical systems | regulator theory
Journal Article
IEEE Transactions on Automatic Control, ISSN 0018-9286, 12/1980, Volume 25, Issue 6, pp. 1091 - 1097
.... The difference between commanded and actual drive angles is used to estimate the coefficients of a model representing installation and drive errors... 
Time varying systems | Poles and towers | Solar energy | Control systems | Temperature control | Mirrors | Solar heating | Inductors | Equations | Resistance heating
Journal Article
1981, ISBN 0709903138, xii, 372
Book
IEEE Transactions on Automatic Control, ISSN 0018-9286, 08/1982, Volume 27, Issue 4, pp. 1002 - 1004
It is pointed out that the approximation coefficient defined in the above paper does not always satisfy the claimed properties... 
Time varying systems | Stochastic systems | Stochastic processes | Probability density function | Error correction | Steady-state | Equations
Journal Article
IEEE Transactions on Acoustics, Speech, and Signal Processing, ISSN 0096-3518, 12/1982, Volume 30, Issue 6, pp. 864 - 868
The theory of wave digital filters, which are well suited to model analog networks including those containing transmission lines, is extended to the time-varying case... 
Microwave technology | Time varying systems | Stability | Capacitance | Propagation losses | Transmission line theory | Digital filters | Microwave filters | Equations | Physics
Journal Article
Statistics and Probability Letters, ISSN 0167-7152, 1983, Volume 1, Issue 4, pp. 189 - 195
A nonstationary generalization of the classical Yule-Walker equations, relating the (time-varying) autocorrelations of an autoregressive process to the coefficients of the possible models for this process, is given... 
time-varying autoregressive models | nonstationary autoregressive processes | stochastic difference equations | Time series | Time series stochastic difference equations nonstationary autoregressive processes time-varying autoregressive models
Journal Article
Journal of the American Statistical Association, ISSN 0162-1459, 12/1983, Volume 78, Issue 384, pp. 856 - 864
The locally most powerful test is derived for the hypothesis that the regression coefficients are constant over time against the alternative that they vary according to the random walk process... 
Bahadur efficiency | Locally most powerful tests | Time varying parameters | Pitman efficiency | Linear models | Mathematical theorems | Efficiency metrics | Theory and Methods | Statistical theories | Random walk | Critical points | Power efficiency | Significance level | Random variables | Statistics | Probabilities
Journal Article
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