This essay will introduce the design, technique and working principle of the pulsetransducer and analyse for the result of measurement.
介绍新型自检脉搏传感器的设计及工艺，阐述了该传感器的工作原理，最后对测试的结果进行分析。
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The Hall speed transducer, the generation of the mileage pulse, the driving of step motor and the application of integrated circuit of BL2115 in speedometer are introduced in detail.
The principle of pulse fine division in measurement of displacement by using grating scale (so called Grating line displacement transducer) with right-angled sinewave is discussed.