The principle of spectrum correction based on difference is studied. A novel method by use of phase phase difference, namely the method of translation of windowcenter is proposed.
研究了基于相位差的频谱校正方法的基本原理，提出一种利用相位差校正的新方法———窗中心平移法。
2
Once you choose Flashlight, look at the preview window and you'll see a small spotlight in the center of your image.
当你选择手电筒效果后，在预览窗口中应该可以看到你的图像中间会一个小的聚光灯。
3
You can execute these SQL commands from the DB2 command window or DB2 command center.