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Digital filter for digital weigher, digital weigher including digital filter for digital weigher and wave filtering process method
Digital filter for digital weigher, digital weigher including digital filter for digital weigher and wave filtering process method
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机译:用于数字秤的数字滤波器,包括用于数字秤的数字滤波器的数字秤和滤波方法
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摘要
A digital filter for a digital weigher reduces a calculation time in an adapted filter while maintaining weighing accuracy, a digital weigher includes the filter for the weigher, and a wave filtering process method uses the digital filter for the digital weigher. A fixation section of a FIR filter removes an oscillating component in a predetermined frequency range, from a digital weighing signal. A determination device determines whether an amplitude of an oscillating component contained in a digital weighing signal derived by performing a wave filtering process falls within a predetermined damping range. A control device changes a frequency range of an oscillating component to be removed by an adaptive section of the filter based on a result of the determination. The adaptive section of the filter performs the wave filtering process with respect to the oscillating component in the frequency range changed by the control device.
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