point spread

常见例句

Only blind image restoration algorithms can be used in space solar telescope(SST) image processing when the point-spread function is unknown.
图像恢复是太空太阳望远镜（SST）图像处理的重要组成部分，当点扩散函数未知时只能进行盲恢复。
There exist three sampling methods according to the sampling objects: the transfer function sampling, the point-spread function sampling and the weighting function sampling.
理论分析表明，按照抽样对象的不同，存在三种适用范围不同的算法：传递函数抽样法、点扩展函数抽样法和加权函数抽样法。
The primary difficulty with blind image restoration is insufficient information. This calls for proper incorporation of apriori knowledge about the image and the point-spread function(PSF).
盲图像恢复的主要困难是信息不足，而为了恢复图像和确定点扩散函数需要适当的先验知识。

How can you give the banks a three-point spread when Japan's official discount rate is 0.5%?
FORBES: "To fix Asia, fix Japan first"
By electing Cruz over Dewhurst, and by a whopping 14-point spread, Texans are sending their own message to Washington.
FORBES: Explaining Ted Cruz's Texas Victory: We Don't Want No Stinkin' Compromise
The attractive margins on commercial lending (a gaping three-point spread between the prime rate and the Federal Reserve discount rate) don't alter this gloomy picture.
FORBES: Magazine Article