Since with common calculation method, the calculated value of feeder shaping roller of ultra-accuracy grinder is approximate, it is hard to estimate its calculation error.
超精加工机床辊子装置的计算都具有近似性，很难估算计算误差，讨论了无心超精加工机床加工外凸滚子成形时机床辊子的解析解。
In order to guarantee surface precision of using locus shaping method machining optical parts, the factors of fine grinding machine which affects surface error of part is theoretically analysed.
为了保证用轨迹成型法加工光学零件的面形精度，对精密磨削机床影响工件面形误差的因素进行了理论分析。
Following the analysis of the mechanism for shaping form errors during machining curved surfaces on CNC milling machine, the method for measuring form errors and error source is put forward.
分析了数控铣床曲面加工形状误差的形成机理，提出对形状误差及误差源的测量方法。
On the sending end, the paper focuses on Error Control Coding, Waveform Shaping, Spread Spectrum and 8PSK modulation, etc.
在发送端，主要研究了差错控制编码，波形成形、扩频和8PSK调制等关键技术；
On the sending end, the paper focuses on Error Control Coding, Waveform Shaping, Spread Spectrum and 8PSK modulation, etc.
在发送端，主要研究了差错控制编码，波形成形、扩频和8PSK调制等关键技术；
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