Secondly,when the transmission distance is above 500 kilometers,BER of frequency domain Hilbert transform method is lower than FIR phase shift method about 10-3.
当传输距离大于500km时,频域Hilbert变换法的BER与FIR相移法的BER相比降低10-3量级。
参考来源 - 基于频域Hilbert变换的单边带OUsing the above experimental system of digital holographic recording and reconstruction, we also realize the three-dimensional phase object detection by use of four-step phase shift method and phase-unwrapping algorithm.
本文利用建立的数字全息记录和再现的实验系统,对三维相位物体进行了检测,采用四步相移法完成相位物体面形测量,利用相位解包裹算法最终得到相位物体的面形。
参考来源 - 利用数字全息实现信息加密与相位物体检测·2,447,543篇论文数据，部分数据来源于NoteExpress
The paper presents two new algorithms of the phase shift method.
文中提出了有关相位移方法的两个新算法。
The paper introduces a prestack depth migration by nonstationary phase shift method suitable for laterally variable velocity.
介绍一种能够适应介质速度横向变化的非稳态相移算子及其叠前深度偏移方法。
Four step phase-shift method program and least squares phase solution package, have validation, this method is good.
说明：四步相移法程序和最小二乘法相位解包裹程序，已经验证，此方法比较不错。
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