Compensation of tropospheric effects on doppler tracking.
Compensation for tropospheric effects of range rate on doppler measurements
RANGE AND RANGE RATE TRACKING↗
SEARCH · Search NASA
Results for “doppler”
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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Saturn early launch phase tracking by cw doppler
Tracking system for measuring vehicle position, velocity, and acceleration during launch of Saturn I /SA-5/ launch vehicle by continuous wave Doppler radar
DOPPLER RADAR↗
The range rate error due to the averaging techniques of doppler measurements
Averaging error in slant range rate measurements based on Doppler frequency shift integration over finite time
RANGE ERROR↗
Shipboard doppler counter, antenna programmer, and tracking data processor
Apollo communications - shipboard Doppler counter antenna programmer and tracking data processor
APOLLO PROJECT↗
A consideration of vco and thermal phase noise in a coherent two-way doppler communication system.
Thermal phase noise and VCO effects at ground receiver output of coherent two-way Doppler communication system
SIGNAL NOISE↗
Measurement of localized flow velocities in gases with a laser doppler flowmeter.
Laser Doppler flowmeter measurement technique for localized flow velocities in gas, noting reliability for high flow velocities
FLOW VELOCITY↗
Tungsten resonance integrals and Doppler coefficients First quarterly progress report, Jul. - Sep. 1965
Resonance integrals and Doppler coefficients of samples of natural tungsten, tungsten isotopes, and uranium oxide tungsten fuel
FUEL TESTING↗
Navigation by satellite using two-way range and doppler data
Navigation by satellite using two-way range and Doppler data
RANGE AND RANGE RATE TRACKING↗
Tungsten resonance integrals and Doppler coefficients Second quarterly report, Oct. - Dec. 1965
Perturbation theory calculation of tungsten sample reactivities and Doppler coefficients
DOPPLER EFFECT↗
The Doppler Equation in Range and Range Rate Measurement
Doppler equation in range and range rate measurement
FREQUENCY SHIFT↗
Development of a laser doppler flowmeter for gas velocity measurement
Continuous wave gas laser Doppler flow meter for gas velocity measurement
VELOCITY MEASUREMENT↗
Tungsten resonance integrals and Doppler coefficients Third quarterly report, Jan. - Mar. 1966
Reactivities, Doppler coefficients, and resonance integrals for tungsten isotopes
RESONANCE↗
Saturation behavior of a Doppler broadened transition involving levels with closely spaced structure
Saturation behavior of Doppler broadened transition involving levels with closely spaced structure
DOPPLER EFFECT↗
Determination of the non-zonal harmonics of the geopotential from satellite Doppler data
Least squares determination of non-zonal harmonics of geopotential from satellite Doppler data
LEAST SQUARES METHOD↗
Laser Doppler velocimeter for measurement of localized flow velocities in liquids.
Laser Doppler velocimeter for measuring localized flow velocities in liquids
VELOCITY MEASUREMENT↗
Programmed oscillators for Doppler radar systems.
Programmed oscillators to control Doppler tracking radar systems for space communications and radar astronomy
DOPPLER RADAR↗
Doppler interpretation of quasar red shifts.
Quasi-stellar sources as local objects moving with velocities close to speed of light, noting transverse Doppler effect leads to expectation of fewer blue shifts than red shifts
DOPPLER EFFECT↗