文中主要描述了信号功率谱的计算和实现方法。
The methods of computation and realization of signal power spectral density are mainly discussed.
建立了AR模型，分析了功率谱，计算了传递函数和滞后时间，解决了机器人腕力传感器研究中的若干基础性问题。
It will set up ar model, analyze power spectrum, and calculate transfer function and delay time, thus several fundamental problems in the research of robot wrist sensor can be solved.
在负重轮轮轴处安装加速度传感器，通过测量该处的时域加速度来间接计算路面功率谱，大大简化了操作过程。
Fixing the acceleration sensor in the axis of the wheel, by measuring the acceleration of the axe to calculate road power spectral indirectly, this greatly simplifies the operation process.
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