numbers?

来源: lilywxc 于 2007-02-22 10:48:08 [] [旧帖] [给我悄悄话] 阅读数 : (281 bytes)

I also don't understand why "the noise do not add up, but cancel out partially", when it is already recorded on a photo, what is the difference between signal and noise? they are all signal or noise depends on how you view the photo, so why signal adds up but noise cancels out?

所有跟帖： 

• Noise is random. -pieq314- ♀ 给 pieq314 发送悄悄话 pieq314 的博客首页 (341 bytes) () 02/22/2007 postreply 11:06:46

• i see, thanks! -lilywxc- ♀ 给 lilywxc 发送悄悄话 (0 bytes) () 02/22/2007 postreply 11:08:40

• 回复：Noise is random. -Arakis- ♂ 给 Arakis 发送悄悄话 (422 bytes) () 02/22/2007 postreply 14:14:59

• Yes -pieq314- ♀ 给 pieq314 发送悄悄话 pieq314 的博客首页 (707 bytes) () 02/22/2007 postreply 14:50:01

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