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Testing method by velocity of stress wave is widely used in the nondestructive testing system of strength of wood-based panel. Considering higher and higher requirement of accuracy on the testing system, the research developed testing system of stress wave velocity based on SCM in this paper. SCM is used as processing corn. The research calculated dynamic elastic modulus of wood-based panel, which...
Ultrasonic detection is widely used in the area of non-destructive testing system of wood intensity. In this paper, after analyzing the principle of the ultrasonic detection method of the wood modulus of elasticity, we have proposed a scheme which is based on Texas Instrument's DSP (Digital Signal Processor) TMS320LF2407. This DSP provides an efficient solution to computational complexities of the...
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