求翻译：5）在扩频CDMA通信系统中，由于采用了新的关键技术而具有一些新的特点： （1）采用了多种分集方式。除了传统的空间分集外。由于是宽带传输 起到了频率分集的作用，同时在基站和移动台采用了RAKE接收机技术，相当于时间分集的作用。（2）采用了话音激活技术和扇区化技术。因为CDMA系统的容量直接 与所受的干扰有关，采用话音激活和扇区化技术可以减少干扰，可以使整个系统的容量增大。是什么意思？

5) spread spectrum cdma communication system, thanks to a new key technologies and some new features: (1) the way a variety of diversity. In addition to traditional space diversity. Play the role of frequency diversity for broadband transmission in the base station and mobile station using a rake re

5) In spread spectrum CDMA communications system, with the adoption of the new critical technologies and have a number of new features: (1) to adopt a variety of sub-sets. In addition to the traditional space outside. broadband transmission because it is the role of frequency is set at the same time

5) in spread spectrum CDMA communication system, as a result of the new key technologies and has some new features: (1) use a wide range of diversity. In addition to traditional spatial diversity. Because it is the broadband transmission frequency diversity effect, both the base station and mobile s