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PULSE WAVE MEASUREMENT DEVICE, PULSE WAVE MEASUREMENT SYSTEM AND SIGNAL PROCESSING METHOD
PULSE WAVE MEASUREMENT DEVICE, PULSE WAVE MEASUREMENT SYSTEM AND SIGNAL PROCESSING METHOD
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机译:脉冲波测量装置,脉冲波测量系统及信号处理方法
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摘要
A pulse wave measurement device includes a storage unit and a subtractor. When a light emitting element alternately switches between a lighting state in which the light emitting element emits light into a body and a non-lighting state in which the light emitting element does not emit light, the storage unit stores a value of a first digital signal representing an output state of a light receiving element that receives light transmitted through or reflected by the body at timing of the lighting state, and a value of a second digital signal representing an output state of the light receiving element at timing of the non-lighting state. The subtractor subtracts the second digital signal value stored in the storage unit from the first digital signal value stored in the storage unit.
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