Add to ORKGSystem features quickly achieved steady state, increased accuracy of spectrum definition, and true Gaussian amplitude distribution of resulting signals. Controlled shock-tests might also be tried with this system
Technique for improving quality and acquisition of frequency response and vibration dat
Includes bibliographical references (pages 98-99)The use of digital signal processing is proposed fo...
Computer program for calculating vibration- acceleration densities along power-spectral density plot...
The advantages of the digital methods over the analog vibration methods are demonstrated. The follow...
Method of real time equalization involving use of an analog computer achieves effective qualificatio...
Systematic application of response spectral analysis and other analyses determine damping sensitivit...
System suppresses spurious sinusoidal responses of any sinusoidally driven amplifier showing time-de...
A number of techniques for dealing with important technical aspects of the random vibration control ...
Analog computer to perform open-loop equalization for multishaker environmental vibration testin
Gas-driven vibration exciter produces a sinusoidal excitation function controllable in frequency and...
Adaptive scheme advocated in this innovation will reduce processing time and is applicable to enviro...
Sinusoidal pulse test method to account for variation of shock spectra with dampin
A new method of conducting lab vibration tests of spacecraft equipment was developed to more closely...
Modified vibration transducer calibration system for directly producing sensitivity versus frequency...
International audienceThis paper considers the control of spacecraft’svibration testing system. This...
Technique for improving quality and acquisition of frequency response and vibration dat
Includes bibliographical references (pages 98-99)The use of digital signal processing is proposed fo...
Computer program for calculating vibration- acceleration densities along power-spectral density plot...
The advantages of the digital methods over the analog vibration methods are demonstrated. The follow...
Method of real time equalization involving use of an analog computer achieves effective qualificatio...
Systematic application of response spectral analysis and other analyses determine damping sensitivit...
System suppresses spurious sinusoidal responses of any sinusoidally driven amplifier showing time-de...
A number of techniques for dealing with important technical aspects of the random vibration control ...
Analog computer to perform open-loop equalization for multishaker environmental vibration testin
Gas-driven vibration exciter produces a sinusoidal excitation function controllable in frequency and...
Adaptive scheme advocated in this innovation will reduce processing time and is applicable to enviro...
Sinusoidal pulse test method to account for variation of shock spectra with dampin
A new method of conducting lab vibration tests of spacecraft equipment was developed to more closely...
Modified vibration transducer calibration system for directly producing sensitivity versus frequency...
International audienceThis paper considers the control of spacecraft’svibration testing system. This...
Technique for improving quality and acquisition of frequency response and vibration dat
Includes bibliographical references (pages 98-99)The use of digital signal processing is proposed fo...
Computer program for calculating vibration- acceleration densities along power-spectral density plot...