Fixed frequency calibration test method of spacecraft vibration
A test method and spacecraft technology, applied in vibration testing, testing of machine/structural components, measuring devices, etc., can solve problems such as no explanation or report found, and data not yet collected, and the method is simple, feasible and adaptable. , the effect of a wide range of applications
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[0035] Preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0036] The spacecraft vibration fixed-frequency calibration test method of the invention monitors the supporting reaction force at the root of the spacecraft in the spacecraft vibration test and then monitors the vibration test magnitude.
[0037] Accompanying drawing is the program and step figure of the spacecraft vibration fixed-frequency calibration test of the present invention. As shown in the embodiment of the accompanying drawings, the method includes: determining the corresponding relationship between the support reaction force per unit length and the root strain of the spacecraft produced during the sinusoidal vibration test of the spacecraft, and determining the main force of the spacecraft during the sinusoidal vibration test. The concave condition of the frequency band provides an auxiliary basis. Specifically, in the non-resonance sectio...
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