抖动的存在，陀螺输出脉冲数在正负200之间跳动；其频谱表现为在抖动频率处的一个能量非常高（14000）的谱线；500～1000赫兹之间也有40左右的能量，表明陀螺输出存在一定的高频噪-The existence of jitter, gyro output pulses beating in between plus or minus 200 the performance of its spectrum in the frequency jitter of a very high energ