谁能帮我翻译一下论文摘要啊？汉译英，不要在线翻的！谢谢！

来源：百度知道编辑：UC知道时间：2024/06/18 00:15:58

短波极低信噪比条件下的数据传输在军事上是最低保障通信的一种手段。它具有抗干扰和抗多径能力强,频谱利用率高,信号隐蔽等一系列优点。
本论文采用直接序列扩频技术，重点对短波通信与直接序列扩频通信的特点以及结合的好处，扩频码的产生，直接序列扩频通信系统的技术与原理，扩频同步技术，RAKE接收技术进行了研究与分析。根据自己所学的知识并结合自己的能力，设计出了一种极低信噪比条件下的短波DS—SS通信系统。并用数学软件对系统进行了初步模块化的设计与仿真，为实际的系统设计奠定了理论基础。

Under the conditions of very low short-wave signal to noise ratio of data transmission in the military is the minimum protection as a means of communication. It has anti-jamming and anti-multipath capability and high utilization of the spectrum, such as a series of covert signals advantage.
In this paper, the use of direct sequence spread spectrum technology, focus on short-wave communications and direct sequence spread spectrum communication with the characteristics and advantages, the selection of spreading codes, direct sequence spread spectrum technology and communication systems theory, spread spectrum synchronization, RAKE receiver A technology research and analysis. According to their study of the combination of knowledge and their ability to design a very low signal to noise ratio under the conditions of short-wave DS-SS communications systems. And using mathematical software on the system conducted a preliminary modular design and simulation for the actual design of th

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