This design gives the basic principles and implementation of programs to Spce061A Sunplus 16-bit microcontroller as the core of digital phase measurement. The system consists of a phase meter, digital phase shifting generator and phase-shifting network of three modules, independently by two microcontroller for control and display functions, respectively. DDS technology used to generate two sine wave signals, and by changing the start address of the memory read data to realize the function of the digital phase shift, with Ф-T conversion technology to achieve a phase difference measurement, making accurate measurement resolution 0.1 the frequency and phase of the measured values ​ ​ into the LCD display, adding infrared keyboard and voice broadcast feature that makes the system with intelligent, user-friendly features.

低频数字式相位测量仪\01222.C
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低频数字式相位测量仪

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