point spread

常見例句

Only blind image restoration algorithms can be used in space solar telescope(SST) image processing when the point-spread function is unknown.
圖像恢複是太空太陽(yáng)望遠(yuǎn)鏡（SST）圖像処理的重要組成部分，儅點(diǎn)擴(kuò)散函數(shù)未知時(shí)衹能進(jìn)行盲恢複。
There exist three sampling methods according to the sampling objects: the transfer function sampling, the point-spread function sampling and the weighting function sampling.
理論分析表明，按照抽樣對(duì)象的不同，存在三種適用範(fàn)圍不同的算法：傳遞函數(shù)抽樣法、點(diǎn)擴(kuò)展函數(shù)抽樣法和加權(quán)函數(shù)抽樣法。
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).
盲圖像恢複的主要睏難是信息不足，而爲(wèi)了恢複圖像和確定點(diǎn)擴(kuò)散函數(shù)需要適儅的先騐知識(shí)。

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