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inversion
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  • High Frequency Inductive Heat Power Supply Based on Microcontroller AT89C52
    关键词:thyristor  rectification  inversion  inductive heat
    A high frequency inductive heat power supply consists of high-speed V-MOSFETS was introduced. The frequency and power of the power supply were 1MHz and 5kW respectively. A high-speed PLL MM74HC4046 was used for frequency following its track automatically. The rectifier of the power supply was controlled by microcontroller. The biggest power was attained when steady and reliability of equipment was guaranteed. The experiment results show that the power supply is feasible.
  • Differential Evolution Algorithm for Inversion of Rayleigh Wave Dispersion Curves
    Rayleigh waves have been used increasingly as an appealing tool to obtain near-surface shear(S)-wave velocity structures.As a geophysical method,inversion of Rayleigh wave dispersion curves has multip
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