提出了一种新的计算光栅相移量点测量法。
A new method of the single point measuring to calculate the grating phase-shift phase was proposed.
提出一种非定值相移量的单步相移同轴数字全息算法。
This paper describes an algorithm of numerical reconstruction for coaxial digital holography by means of a single phase-shift.
只有正确地提取出相移量才能提高测量的精度，降低测量系统的复杂性。
As long as we can get the shifting phase rightly, the measured accuracy of the measurement system will be increased, and the complexity of the measurement system will be decreased.
根据实际数据处理工作的需要，以减小信号相移量为目标，提出一种新的数字滤波算法，即所谓往复数字滤波器。
A new algorithm for digital filtration, namely Forth Back digital Filter, is put forward for the need of actual data processing and reduction of the phase shift.
当相移器存在的相移误差包括位移误差与倾斜误差时，同一幅干涉图诸像素点的相移并不同步，但其相移量在同一平面上。
If the reference mirror has tilt and piston errors caused by phase-shifting, the phase shifts of the pixels along the same interferogram are not a constant, but they are still kept on the same plane.
文中用逼近法和双线性变换法，设计了用于圆度测量的高斯数字逼近滤波器，并给出了零相移的递归滤波算法，计算量小，计算效率高，易于实现。
A series of Gaussian digital approximation filters used in roundness measurement were designed on the basis of approximation method and bilinear transformation.
在六角形阵阵元数较多时，传统的频域相移求和波束形成方法要求的运算量很大。
While the amount of hexagonal array elements is high, the conventional phase shift-sum beamforming approach requires a heavy computational load.
偏移量四象制相移键控oqps K ？
偏移量正交相移键控oqps K ？
偏移量正交相移键控oqps K ？
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