l****y
发帖数: 267 | |
l****y
发帖数: 267 | 2 好像是存在的,用归纳法可以证明,不知道有没有别的简便的方法.
【在 l****y 的大作中提到】
: 前n-1行每行的和=0?
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a***l
发帖数: 66 | 3 Check the construction of OVSF for n=2^m in CDMA.
【在 l****y 的大作中提到】
: 好像是存在的,用归纳法可以证明,不知道有没有别的简便的方法.
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l****y
发帖数: 267 | 4 Hadamard Matrix works if n is even and it also works if n is odd by adding a
row and a column to the even case.
what's OVSF and CDMA? Do you mean Hadamard matrix also?
Thanks a lot!
【在 a***l 的大作中提到】
: Check the construction of OVSF for n=2^m in CDMA.
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m***t
发帖数: 4509 | 5 jee, that's a long story...
【在 l****y 的大作中提到】
: Hadamard Matrix works if n is even and it also works if n is odd by adding a
: row and a column to the even case.
: what's OVSF and CDMA? Do you mean Hadamard matrix also?
: Thanks a lot!
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l****y
发帖数: 267 | 6 find one, Helmert matrix works for this purpose. :)
【在 m***t 的大作中提到】
: jee, that's a long story...
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