ガウス分布について - satcom.jp

1 Space Japan Review, No. 76, October / November 2011 1 (1) (1) (2) 1/2 (erfc) (3) (2) BER Q (4) z> 1% BER 10-2 BER (5) (4) (5) erfc TECHNOLOGY REVIEW xtdtexerf022)( xxtdtexerf21)( 1)( erf 222221)( xexf)(zQBER )()2(21zQzerfcBER xtdtexerfxerfc22)(1)( )(zezzzQ Space Japan Review, No.

2 76, October / November 2011 2 (6) (7) (7) Wikipedia Error function (8) 3x10-7 (9) a1= , a2= , a3= , a4= , a5= , p= (10) Netlib Fortran W. J. Cody r-diff a-diff (8) BER 10-6 10% x erfc6(x) derfc(x)r-diff(%) )2(2)(zezzzQzerfc ..253123121112)(63422022xxxxedtexerfxxt 2)()(554433221xetatatatataxerfc pxt )( xxxxxxxerfc 22214exp1)sgn()(axaxxxxerf a Space Japan Review, No. 76, October / November 2011 3 (9) 7 BER (10) 8 (9) 10% (9) (8) (10) C99 Fortran2008 W.

3 J. Cody 2003 x erfc6(x) derfc(x)r-diff(%) x erfc6(x) derfc(x)r-diff(%)