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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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Approximation for discretization error of discrete analog of Bergman harmonic kernel, discussing discretization error in Dirichlet and Neumann problems for Laplace equation
Low degree earth gravity harmonics effect on 12 and 24 hour orbits of high altitude communications satellites
Harmonic generation of S band signal inside plasma column at resonance
Harmonic ion cyclotron waves shown to possess stop and passband characteristics, supporting quasi-static ion cyclotron mode theory
Beat frequency measurements in far IR due to harmonic mixing of klystrons, discussing noise role
Simultaneous mode locking of Nd YAG laser and intracavity second harmonic generation in high temperature Li niobate or BaNa niobate
Frequency shifts observed in Alouette 2 cyclotron harmonic plasma resonances, noting antenna length and direction
Ionospheric VLF electrostatic noise observed by sounding rocket, noting proton gyrofrequency harmonics effects within emission attenuation bands
Propagation, damping, power coupling and plasma heating characteristics of harmonic ion cyclotron waves, noting temperature effects
Formulas for long term perturbations of satellite components due to high order zonal harmonics
Harmonic generation and components of nonlinear cylindrical beam plasma devices including RF energy coupling
Optimized second harmonic generator cell
Reduction of alternator apparent power requirements and harmonic distortion caused by phase-controlled parasitic loads
Third harmonic generation detection for strongly absorbing media in reflection with neodymium-glass mode-locked laser, measuring nonlinear susceptibilities of semiconductors and metals
Parametric coupling between space-time harmonics of electromagnetic wave propagating in dielectrics modulated by pump wave
Laser harmonic-frequency mixing techniques extended into IR with IR metal-metal point contact diode
Q switched laser pulses lengthened using internal second harmonic generator
Sinusoidal signal harmonics measurement to determine nonlinear resistance junction I-V equation, discussing applications to circuit analysis