A new brushless D-C torque motor system with integrated controller.
Brushless DC torque motor with unique position- sensing device based on variable magnetic reluctance
OSCILLATOR↗
SEARCH · Engineering Papers
Results for “direct current”
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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A precision DC potentiometer microwave insertion loss test set.
Precision DC potentiometer test for measuring microwave coaxial or waveguide insertion loss
POTENTIOMETER↗
Basic considerations for DC to DC conversion networks.
Basic considerations for DC to DC conversion networks, detailing relationship between characteristics of active resistor and maximum AC POWER generated by active element
POWER CONVERSION↗
High-efficiency Dc to Dc Converter-regulators
High efficiency dc to dc converter regulators for spacecraft power supply
ENERGY CONVERTER↗
Circuit considerations for dc to dc conversion above 10 KHZ
Circuit considerations for dc to dc conversion in high frequency range
DIRECT CURRENT /DC/↗
A low noise switching converter-regulator for main power control in a space power system
Variable ratio dc transformer regulator used to process main vehicle power from solar array battery power system in radio astronomy explorer spacecraft
BATTERY↗
Non-dissipative dc to dc regulator- converter study Quarterly report, 15 May - 31 Aug. 1966
Nondissipative dc to dc regulator-converter study
ENERGY CONVERTER↗
The linearity evaluation of a dc voltage to pulse-width converter
Linearity and temperature stability of linear analog dc voltage-to-pulse width converter
PULSE WIDTH↗
The design of modular high frequency DC-DC CONVERTERS for spacecraft power systems.
HF design of DC-DC converters with low weight and high performance for spacecraft power systems
DIRECT CURRENT /DC/↗
Voltage conversion and regulation techniques employed in the prime converter for the anchored interplanetary monitoring platform /AIMP/ spacecraft.
DC-to-DC prime converter for anchored interplanetary monitoring platform spacecraft /AIMP/ transforming power from solar array into suitable level for instrumentation electronics
DIRECT CURRENT /DC/↗
Detectors for the extreme ultraviolet. I.
Photomultipliers in DC output mode for extreme UV
DIRECT CURRENT /DC/↗
A two-dimensional discharge theory.
DC discharge parameters solution using pressure theory with generation terms stressing one- and two-dimensional cases
DIFFERENTIAL EQUATION↗
Here's a DC-to-pulse-width converter.
Circuit design and performance to convert DC INPUT voltage to pulse train with width proportional to input
CIRCUIT↗
Technique increases storage capacity in camera tube target
Technique increases the signal current, where direct beam readout is used, in Secondary Electron Conduction /SEC/ camera tubes. Increasing the storage capacity and therefore the dynamic range of the SEC target permits satisfactory operation at reduced frame rates.
Boll, K. F.↗
Ion engine thrust vector study Quarterly report
Ion beam current and direction changes due to electrode misalignment, and analysis of electrode temperature distribution and thermal stresses in ion engine thrust vector
Amboss, K.↗
Polarity sensitive circuit Patent
Electric circuit for reversing direction of current flow
Smith, L. S.↗
Propagation predictions and studies using a ray tracing program combined with a theoretical ionospheric model
Radio wave propagation predictions are described in which modern comprehensive theoretical ionospheric models are coupled with ray-tracing programs. In the computer code described, a network of electron density and collision frequency parameters along a band about the great circle path is calculated by specifying the transmitter and receiver geographic coordinates, time, the day number, and the 2800-MHz solar flux. The ray paths are calculated on specifying the frequency, mode, range of elevation angles, and range of azimuth angles from the great circle direction. The current program uses a combination of the Penn State MKI E and F region models and the Mitra-Rowe D and E region model. Application of the technique to the prediction of satellite to ground propagation and calculation of oblique incidence propagation paths and absorption are described. The implications of the study to the development of the next generation of ionospheric models are discussed.
Lee, M. K.↗