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METHOD OF PRESSURE SENSOR OUTPUT FREQUENCY SMOOTHING, TSUNAMI WARNING APPARATUS BASED ON ATMOSPHERIC PRESSURE OBSERVATION USING THE SAME, AND TSUNAMI WARNING SYSTEM
METHOD OF PRESSURE SENSOR OUTPUT FREQUENCY SMOOTHING, TSUNAMI WARNING APPARATUS BASED ON ATMOSPHERIC PRESSURE OBSERVATION USING THE SAME, AND TSUNAMI WARNING SYSTEM
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机译：压力传感器输出频率平滑方法，基于基于相同观测值的大气压力观测值的海啸预警装置和海啸预警系统
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摘要
PROBLEM TO BE SOLVED: To provide a method of pressure sensor output frequency smoothing, which enables an accurate smoothing process.;SOLUTION: A method of pressure sensor output frequency smoothing involves smoothing a frequency of a square wave generated by a pressure sensor, and is characterized in that a smoothed time series Yi for a time period Xi of an i-th square wave is derived by using a formula: Yi=(b0Xi+b1Xi-1-a1Yi-1)/a0 ...(3) (b0=ω, b1=ω, a0=2/Xi+ω, a1=2/Xi-ω ...(5), ω=2πfc and fc represents a cutoff frequency).;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2016,JPO&INPIT
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机译：解决的问题：提供一种压力传感器输出频率平滑的方法，该方法可以实现精确的平滑过程。解决方案：一种压力传感器输出频率平滑的方法涉及对压力传感器产生的方波频率进行平滑，并且其特征在于，通过使用公式Y i i 的平滑时间序列Y i 。 Sub> =（b 0 X i + b 1 X i-1 -a 1 < / Sub> Y i-1 ）/ a 0 ...（3）（b 0 =ω，b 1 < / Sub> =ω，a 0 = 2 / X i +ω，a 1 = 2 / X i -ω...（5），ω=2πf c 和f c 代表截止频率。）;图2选图;版权：（C）2016 ，JPO＆INPIT
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