<正>缺点
2.On the one hand, it can be adapted to the nonlinearity of limit slate functions and non - normality of random variables; on the other band, it can overcome the prominent drawback of random throwing - dot method, decrease the number of times of simulation calculation and enhance the sampling efficiency abed precision of calculation.
3.We also present an Auxiliary Vector Combination (AVC) receiver for MC 2D CDMA system. AVC can be viewed as the combination of MRC and ORC and has great capability to reject both fading and MAI,but avoids their drawbacks.
4.It shows that wrong styles of work still exist to a serious extent in our literary and art circles and that there are still many defects among our comrades, such as idealism, dogrnatism, empty illusions, empty talk, contempt for practice and aloofness from the masses, all of which call for an effective and serious campaign of rectification.
5.Internet is now changing into an integrated network that transmits both data and multimedia flows. Also, the carrying foundation of traditional telecom applications is shifting into packet switching network based on IP technology. The shortcoming that original IP network lacks QoS (Quality of Service) warranty becomes increasingly critical.
