THE SHOCK AND VIBRATION BULLETIN
NAVAL RESEARCH LAB WASHINGTON DC SHOCK AND VIBRATION INFORMATION CENTER
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Contents Integration and double integration-a practical technique The measurement of internal dynamics of equipment Piezoresistive strain gage accelerometers increase spectrum of shock and vibration measurement capability Vibration measurements using a microwave interferometer A wideband absolute accelerometer calibrator utilizing a laser for measuring vibratory dilacements Unpublished accelerometer characteristics New precision calibration techniques for vibration transducers Omnidirectional acceleration sensor Effective use of accelerometers as calibration standards Measurement of accelerometer transverse sensitivity First occurrence probabilities for extreme random vibration amplitudes Signal detection using impulse crosscorrelation A means to reduce random vibration analysis time A continuous frequency constant q shock spectrum analyzer Slope error of power spectral density measurements The effects of phase errors upon the measurement of random processes Utilization of a digital computer for on-line acquisition and analysis of acoustic and vibration data A digital data recording system for structural dynamics response testing Comparison of analog and digital methods for vibration analysis Automatic real-time vibration spectrum analyzer system using delay line time compression techniques The analog cross spectral density analyzer system Transient data distortion compensation.
- Test Facilities, Equipment and Methods