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远距离传感存在的问题之一,在于需要辅助电路系统和外加功率。基于威甘德(Wiegand)效应的新型传感器,由于不需要外加功率,这就使整个传感器系统简单化,这种不需
One of the problems with long-range sensing is the need for ancillary circuitry and applied power. The new sensor based on the Wiegand effect simplifies the entire sensor system by eliminating the need for additional power,