A note on boundary-condition simulation in the dynamic testing of spacecraft structures
Spacecraft structures tested by sine-sweep vibration in boundary-condition simulation
SPACECRAFT STRUCTURE↗
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Improved magnetic components for static inverters and converters, part 1 Eighth quarterly report, 31 Mar. - 31 Aug. 1965
Sine current screening and ac square wave tests to evaluate magnetic and electrical properties of materials for use as magnetic components in static converters and inverters
ELECTRIC PROPERTY↗
Analysis of performances for static power-conditioning systems - Inversion, conversion, and regulation
Analyses of Marzolf tunnel diode inverter, dc to dc regulated converter, and self-regulating dc to sine wave inverter for use in spacecraft power conditioning systems
VOLTAGE REGULATOR↗
Delta-T curves for measuring magnetic tape link jitter.
Relationships between delta-T curve and autocorrelation function of pure sine wave recorded on magnetic tape for evaluating time delay errors
Cole, J. M.↗
Static DC to sinusoidal AC inverter using techniques of high-frequency pulse-width modulation.
HF pulse width modulation applied to DC to sinusoidal AC inverter to provide LF sine wave output without LF transformer or filter
Babaa, I. M. H.↗
Limiting amplitude for MOSFET small-signal models.
Limiting small signal amplitude for MOSFET stage using arc sine model representing transfer characteristic
Fitchen, F. C.↗
Bounds on the spectra of angle-modulated waves.
Spectrum of angle modulated sine waves, obtaining bounds on spectra for Gaussian random modulating process
Algazi, V. R.↗
Uniaxial wave propagation in a viscoelastic material using measured material properties.
Uniaxial wave propagation in viscoelastic bar due to step displacement at end solved in terms of Fourier sine integral
Knauss, W. G.↗
An unconventional magnetically-coupled multivibrator
Multivibrator circuit provides a low-frequency sine wave output without using a low-frequency power transformer or filter components. This circuit, utilizing two transistors and a magnetic core, represents a reduction in complexity, size, and weight over similar units.
Moore, E. T.↗
Heat transfer and pressure distributions due to sinusoidal distortions on a flat plate at Mach 20 in helium
Heat transfer and pressure distribution due to two-dimensional repetitive sine wave distortions on flat plate at Mach 20 in helium
Arrington, J. P.↗
Delta-T curves for measuring magnetic tape link jitter.
Root mean square time delay error with respect to playback time and autocorrelation function of tape recorded sine wave for studying jitter spectra
Cole, J. M.↗
Adjustable drill bar replaces complex jigs
Adjustable drill bar incorporates a micrometer screw which, when used in conjunction with standard gage blocks, provides rapid method of drill hole location and reduces time and skill requirements for precision drilling on large surfaces. Device picks up oddly dimensioned tool hole points and acts as sine drill bar.
Coventry, J. H.↗
Acquisition time in a first order phase lock loop
Aquisition time parameter for first order phase lock loop with sine wave input in additive Gaussian noise
Schuchman, L.↗
Table-lookup/interpolation function generation for fixed-point digital computations.
Table lookup/interpolation function generation for fixed point digital computations, illustrating sine-cosine generator
Aus, H. M.↗
Dispersion of ion-acoustic waves
Dispersion of ion-acoustic waves in quiescent rare gas discharge plasmas, discussing model simulating ion waves generated by finite sine wave bursts
Alexeff, I.↗
A 20 kHz power oscillator
Circuit providing stable sine wave power up to 10 W supplies small amounts of power at frequency other than 60 Hz. Circuit has Wien bridge oscillator which uses operational amplifier to feed power amplifier stage. Power amplifier stage uses booster amplifier and two discrete transistors for power output.
Sturman, J. C.↗
Tracking analysis of a first order phase- locked loop with two sinewaves modulation
Phase locked-loop tracking with sine wave modulation in Apollo communication systems
Lee, S. Y.↗
Formulas for nth order derivatives of hyperbolic and trigonometric functions
Formulas for nth order derivatives of hyperbolic and trigonometric functions used in evaluating Fourier sine and cosine integrals
Wintucky, E. G.↗