某一离散信道的信道矩阵为[img=358x247]1803b25eac7d349.png[/img]其信道容量为( )bit/s.
A: log3
B: log4
C: log5
D: log6
A: log3
B: log4
C: log5
D: log6
举一反三
- 某一离散信道的信道矩阵为[img=358x247]17de8cec5d0b335.png[/img]其信道容量为( )bit/s. A: log3 B: log4 C: log5 D: log6
- 某一离散信道的信道矩阵为[img=358x247]17de8cec5d0b335.png[/img]其信道容量为( )bit/s. A: log3 B: log4 C: log5 D: log6
- 求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4
- 求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4
- 求不定积分[img=112x35]17da6538063a9e4.png[/img]; ( ) A: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/ B: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4))/8 C: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4)) D: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/8