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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Two rotating wheels in orthogonal relationship with helicoidal reflecting surfaces mounted on their outer rims achieve a linear speed without normal time loss in their return motion. The pitch of the helicoidal surfaces equals the displacement that the mirrors must traverse.
Synchronous diversity-lock phase demodulator for tracking and demodulating orthogonally polarized signals transmitted from satellites
Photoabsorption power due to sodium interband, using orthogonalized plane wave evaluation of matrix elements in oscillator strengths
Exact solutions of Einstein-Maxwell equation of Petrov class N when propagation vector of gravitational field is hypersurface orthogonal
Multilayer plated wire memory system surpasses planar thin film memories because of its high speed, simplicity, and high output. The device consists of 5 mil Be-Cu wire plated with Ni-Fe alloy about 1 micron thick crossed orthogonally by word lines.
Automatic balancing system for frictionlessly supported, attitude control test platforms about axes commonly orthogonal to gravity vector
Orthogonality principle and covariance equations for optimal and suboptimal linear smoothing
Orthogonal multiplexing theory and general design criteria related to unified S band communication systems
Contact transformations noting linearity, orthogonality and preservation of Hamiltonian form
Generalized matrix inverse computation using Gauss-Jordan elimination scheme with Gram- Schmidt orthogonalization
Residual stress distribution in two orthogonal directions of isotropic or orthotropic material, using computerized technique
Generalized matrix inverse computational method using Gauss-Jordan elimination and orthogonal triangulations
Atomic wave functions determination by configuration interaction method, constructing Slater type orbitals into orthogonal set of smaller dimensions
Neumann problem solution for curved boundaries, using quasi-orthogonals instead of normals to streamlines
Analysis presented is an efficient technique to adjust previously calculated orthogonal polynomial coefficients for an odd number of equally spaced data points. The adjusting technique derivation is for a ninth order polynomial. It reduces computer time for smoothing functions.
Low-rate command data link performance, serial orthogonal decoder analysis, and optimal codes and strong converse for transmission over noisy memoryless channels
Error bounds for orthogonal signals in additive white Gaussian noise channels for class of generalized decision strategies permitting variable-size list decoding
Simple antenna with good circular polarization over wide space sector, showing geometry, normalized orthogonal field distributions and beamwidth range, considering slot combinations