A.174.24.96:6088/Latex/latex.action?latex=z4E9XGZyYWN7MX17XHNxcnR7RV97c197MH19RV97c197MX19fX1caW50X3swfV57VH1zX3swfSh0%0D%0AKXNfezF9KHQpZHQ%3D'
B.174.24.96:6088/Latex/latex.action?latex=RV97U197MH19PVxpbnRfezB9XntUfXNfezB9XnsyfSh0KWR0'
C.174.24.96:6088/Latex/latex.action?latex=RV97U197MX19PVxpbnRfezB9XntUfXNfezF9XnsyfSh0KWR0'
【参考答案】
由施瓦兹不等式得

根据波形相关系数ρ的定义,有

因为E
s0≥0,E
s1≥0,所以

即

从而有
|ρ|≤1