distance linearity 距离线性
The detect distance of FWHM and FWTM assumes linearity.
FWHM和FWTM与探测距离呈线性关系而增大；
It can measure not only the inner diameter, outer diameter and linearity error, but also the center distance between holes, taper and position errors such as coaxality, verticality, etc.
它不仅可以测量内径、外径和直线度误差，还可以测量孔中心距、锥度和同轴度、垂直度等位置误差。
The results show that the linearity of the frequency-swept generator is raised, and the practical requirements of high distance resolution of LFMCW radar can be satisfied.
从仿真和实际应用的结果可以看出，该方法提高了线性调频连续波雷达扫频源的线性度，满足了其高精度测距的实际需要。
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