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just_play

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´óÁúÕ¹³á(½ð±Ò+3): 2010-12-12 19:27:01
´óÁúÕ¹³á(½ð±Ò+22): 2011-01-01 08:15:18
Ò»°ãµÄÆ½Ãæ·½³Ì£ºAx+By+Cz+D=0£¬Ëæ»úÉú³ÉÒ»¸öËÄάÏòÁ¿(A,B,C,D)¾Í¿ÉÒÔÁ˰É
2Â¥2010-12-12 11:45:04
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´óÁúÕ¹³á

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ÒýÓûØÌû:
Originally posted by just_play at 2010-12-12 11:45:04:
Ò»°ãµÄÆ½Ãæ·½³Ì£ºAx+By+Cz+D=0£¬Ëæ»úÉú³ÉÒ»¸öËÄάÏòÁ¿(A,B,C,D)¾Í¿ÉÒÔÁ˰É

¾ÍÊÇÓÃMATLABÈí¼þÀ´×ö£¬º¬Óиß˹·Ö²¼ µÄÒ»¸öËæ»úÆ½Ãæ£¬ÈýάµÄ¡£Ð»Ð»À²
3Â¥2010-12-12 19:52:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

opticer

½ð³æ (СÓÐÃûÆø)


´óÁúÕ¹³á(½ð±Ò+5): 2011-01-01 08:14:59
Â¥Ö÷ÊÔÊÔÏÂÃæÕâ¸öº¯ÊýÐв»ÐУ¬²»ÖªµÀÄãÒªÄÄÖÖËæ»úÆ½Ãæ
function phi=randomphase(Rin,N,wx,wy,a)
%Rin=165;N=1024;wx=20;wy=20;a=0.05;
x_in=linspace(-Rin,Rin,N);
[xx_in,yy_in]=meshgrid(x_in);
ran=unifrnd(-1,1,N);
gauss=exp(-(xx_in/wx).^2-(yy_in/wy).^2);
Ran=fft2(ran);
Gauss=fft2(gauss);
Fi=Ran.*Gauss;
phi=a*ifft2(Fi);
4Â¥2010-12-13 19:56:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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