Tests and comparisons of different sets of geopotential coefficients for orbit determination and prediction
Orbit calculations and predictions by different sets of geopotential coefficients for GEOS satellites
Marsh, J. G.↗
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Pressure distributions on a wing having NACA 4415 airfoil sections with trailing-edge flaps set at 0 deg and 40 deg
Wind tunnel measurements of pressure distributions on wing having NACA 4415 airfoil sections with trailing-edge flaps set at 0 deg and 40 deg
Carter, A. W.↗
A unified set of tracking station coordinates derived from geodetic satellite tracking data
Unified set of tracking, station coordinates on geocentric reference system from GEOS 1 and 2 tracking data
Marsh, J. G.↗
Flows near isolated invariant sets in dimension 3
Flows on 3-manifolds near isolated invariant sets
Easton, R.↗
On the noninferior set for the systems with vector-valued objective function
Noninferior set for static optimization of systems with vector valued objective function using dual linear inequality
Chu, K.-C.↗
Isolated invariant sets and isolating blocks
Closed invariant sets of smooth flow on compact manifold involving homoclinic or heteroclinic point theory of Poincare
Conley, C.↗
A test set for integration of data compression/ error correction encoding techniques. I - System design and data compression considerations
Laboratory test set for integration of data compression and error correction encoding of digital communications system
Batson, B.↗
Reconstructions of signals of a known class from a given set of linear measurements
Error reduction in reconstructions of time concentrated band limited signals from given set of linear measurements
Meier, R. G.↗
On the minimax reachability of target sets and target tubes
Closed-loop control of discrete time systems with uncertainty, discussing minimax reachability of target sets and tubes
Bertsekas, D. P.↗
Recursive state estimation for a set-membership de scription of uncertainty
Linear dynamic system recursive state estimation for set-membership description of uncertainty under unknown input disturbances and observation errors
Bertsekas, D. P.↗
Thermoregulatory set point during exercise - A behavioral approach
Human thermoregulator set point under physical exercise, using behavioral indicator
Cabanac, M.↗
A manually set magnetic wire counter
Magnetic storage wire counter design principles are given. Magnetic storage wire was coupled with two phase propagational driver in manual set counter shift register. Time delay between magnetic counter domain insertion and corresponding output pulse provides counting functions.
Source record↗
Computational investigations of low-discrepancy point sets
The quasi-Monte Carlo method of integration offers an attractive solution to the problem of evaluating integrals in a large number of dimensions; however, the associated error bounds are difficult to obtain theoretically. Since these bounds are associated with the L2 discrepancy of the set of points used in the integration. Numerical calculations of the L2 discrepancy for several types of quasi-Monte Carlo formulae are presented.
Warnock, T. T.↗
OGO-4 observations of the 6300 A night airglow from 40 deg N to 40 deg S: A set of 19 color maps
Data for the 6300 A line of atomic oxygen from the main body airglow photometer on the OGO-D satellite are summarized in a set of 19 maps for various local times at night between 30 August 1967 and 10 January 1968.
Reed, E. I.↗
Detailed interpretation and analysis of selected corn blight watch data sets
A detailed interpretation and analysis of selected corn blight data set was undertaken in order to better define the present capabilities and limitations of agricultural remote multispectral sensing and automatic processing techniques and to establish the areas of investigation needing futher attention in the development of operational survey systems. While the emphasis of this effort was directed toward the detection of various corn blight levels, problems related to the more general task of crop identification were also investigated. Since the analog recognition computer (SPARC) was fully committed to the more routine aspects of processing and since the detailed interpretation and analysis required more in the way of quantitative information, the CDC 1604 digital computer was employed.
Nalepka, R. F.↗
Fabrication and test of eight sets of STRAP 3 flight hardware
The development and characteristics of the Stellar Tracking Rocket Attitude Positioning (STRAP) system are discussed. The objective of the program was to produce eight sets of reliable flight hardware at a cost that was compatible with the typical sounding rocket mission. The flight system consists of: (1) the attitude control system, (2) the pneumatics systems components, and a fine guidance error sensors star tracker. The performance of the system and the areas where improvements are needed are examined. Line drawings and circuit diagrams are presented to amplify the accomplishments of the project.
Greeb, M. E.↗
Geologic setting and petrology of Apollo 15 anorthosite /15415/.
The geological setting, petrography and history of this Apollo 15 lunar rock sample are discussed, characterizing the sample as coarse-grained anorthosite composed largely of calcic plagioclase with small amounts of three pyroxene phases. The presence of shattered and granulated minerals in the texture of the rock is traced to two or more fragmentation events, and the presence of irregular bands of coarsely recrystallized plagioclase and minor pyroxene crossing larger plagioclase grains is traced to an earlier thermal metamorphic event. It is pointed out that any of these events may have affected apparent radiometric ages of elements in this rock. A comparative summarization of data suggests that this rock is the least-deformed member of a suite of similar rocks ejected from beneath the regolith at Spur crater.
Wilshire, H. G.↗
Signal sequence detection given noisy, common background image sets.
The optimum processing (likelihood functional) is found for a set of M images, each the sum of a member of a signal sequence due to an object to be detected and its parameters estimated, a sample function of a noise field, and a sample function of a common background field. The noise fields are independent, zero mean, white Gaussian fields, all independent of the background field. The latter is assumed to be either (1) completely unknown or of known mean and covariance functions with (2) a certain fluctuation property or (3) Gaussian. Three equivalent forms of the optimum processing are found: (1) a summation of generalized matched filterings of the images, (2) a summation of matched filtering of certain generalized differences of the images, and (3) a summation of 'estimator-correlator' type filterings. The detection performance and optimum signal/image selection under the Neyman-Pearson criterion is given, and is shown that optimum processor and signal design can completely eliminate any effect of the background on detectability.
Harger, R. O.↗