[go: up one dir, main page]

Talwani et al., 1966 - Google Patents

Continuous analog computation and recording of cross‐coupling and off‐leveling errors

Talwani et al., 1966

Document ID
1700682600815461024
Author
Talwani M
Early W
Hayes D
Publication year
Publication venue
Journal of Geophysical Research

External Links

Snippet

An analog cross‐coupling computer for the continuous determination of the cross‐coupling effect for a Graf‐Askania Gss2 sea gravimeter on a stable platform is discussed. Under average sea conditions cross‐coupling values can easily exceed a few milligals. The same …
Continue reading at agupubs.onlinelibrary.wiley.com (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in preceding groups
    • G01C21/10—Navigation; Navigational instruments not provided for in preceding groups by using measurements of speed or acceleration
    • G01C21/12—Navigation; Navigational instruments not provided for in preceding groups by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
    • G01C21/16—Navigation; Navigational instruments not provided for in preceding groups by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments and devices referred to in the preceding groups
    • G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments and devices referred to in the preceding groups initial alignment, calibration or starting-up of inertial devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects

Similar Documents

Publication Publication Date Title
Talwani et al. Continuous analog computation and recording of cross‐coupling and off‐leveling errors
Berg et al. Integrated velocity and displacement of strong earthquake ground motion
US3490149A (en) Methods and apparatus for determining depth in boreholes
Hunkins Waves on the Arctic ocean
Talwani 8. GRAVITY
Wetheim Studies of the electric potential between Key West, Florida, and Havana, Cuba
Nettleton et al. Tests of an airborne gravity meter
Hyson et al. Algebraic and electronic corrections of measured uw covariance in the lower atmosphere
LaCoste Surface ship gravity measurements on the Texas A. and M. College ship, the “Hidalgo”
Wing MIT vibrating string surface‐ship gravimeter
CN109782355A (en) The detection method and device of OBS detection point drift
CA1131053A (en) Low cost self aligning strapdown attitude and heading reference system
James Anomalous Love wave phase velocities
Hagedoorn Templates for fitting smooth velocity functions to seismic refraction and reflection data
US3552025A (en) Apparatus for determining depth of a well tool in a borehole by measurement of tension
Hayes et al. Tests on the 1962 model of the Anschütz gyrotable
Dehlinger et al. Experimental determination of the reliability of the LaCoste and Romberg surface‐ship gravity meter S‐9
SEGAWA Gravity measurements at sea by use of the TSSG Part 2. Results of the measurements
Neuman et al. Accelerations and errors in gravity measurements on surface ships
Bowin et al. Test of the MIT vibrating string gravimeter, 1967
US3546943A (en) Sea gravimeter
Caputo et al. Accuracy of gravity measurements off the coast of southern California
Kalvaitis Effects of vertical motion on vector averaging (Savonius rotor) and electromagnetic type current meters
Dehlinger Reliability at sea of gimbal‐suspended gravity meters with 0.7 critically damped accelerometers
US3610900A (en) Crosscoupling computer