This paper analyzes usual measuring errors caused by inconsistency of the input signal pulse verge and strobe signal verge in frequency measurement. It sets forth an effective solution.

研究频率测量过程中输入信号的脉冲边沿与测量设备的闸门信号边沿不一致造成的频率测量误差。

youdao

Motor back to the corner and enter the total number of pulses proportional to the corresponding speed depends on the input pulse frequency.

电机总的回转角与输入脉冲数成正比例，相应的转速取决于输入脉冲频率。

youdao

Frequency controlled data (m) plus an accumulative phase data output by a phase register in an N-bit adder when a clock pulse comes, the result is sent to the input port of the phase register.

每来一个时钟脉冲，N位加法器将频率控制数据m与相位寄存器输出的累加相位数据相加，并将结果送相位寄存器输入端。

youdao