人防通信 meaning in Chinese
communication for people's airdefence
Examples
- Civil air defense alarm system was a system to dispense antiaircraft alarm sig - nal , hand hostile air attack informational communication to urbanite at wartime . it is a particular informational communication system of the civil air defense depart - ment , and can not be taken place . at the development trend of digitaliza - tion , unitization , integration of civil air defense communication , the civil air defense alarm system is developing too , for adaptation to the require of both future war and peaceful dual , and enhancing civil air defense communication system ' s directing automation . in recent years , development of different kinds of communication technology infuses new clearly energy into communication , especially spread spectrum communication , because of its strongly interference - free feature , invisibility best , realizable code division multiple access and antimultipath wane and so on merit , gets extensive use at wireless region ; the corresponding spread spectrum chips emerge as the times and get boom , which provides advantag e to realization of the circuit of spread spectrum communication . at the same time , in company with the advance of electronics level , the single chip microcomputer has a great development , world renowned chip manufacturer pushout respective products one after another , the kinds of which are too many to statiste
在人防通信的数字化、一体化、综合化必然的发展趋势下，人防警报系统也不断发展，以适应未来战争和和平时期的双重需要，提高人防通信系统指挥自动化。近年来，各种通信技术的发展给通信注入了活力，扩频通信更因其抗干扰能力强、隐蔽性好、可实现码分多址和抗多径衰落等优点在无线领域得到了广泛应用；其相应扩频处理芯片应运而生并得到迅速发展，这为扩频通信的电路实现提供便利。同时随着微电子工艺水平的提高，单片微型计算机有了飞跃发展，世界上著名的集成电路芯片制造商纷纷推出各自的产品，单片机型号之多，已达到难以统计的地步。