帮写香港留学生作业：检测激光雷达的自主专利技术Our Own Patented Technology of Detecting Laser Radar

Introduction介绍

很久以前有一个关于雷达发生的有趣故事。 一个驻扎在偏远村庄的雷达军队，一开始，小偷总是从军队偷走蔬菜。 所以指挥官告诉整个村民，他知道有人总是从军队偷蔬菜，因为雷达可以检测到一切，他希望这样不会再发生。 渐渐地，这个村庄变得和谐，气氛很好。 有一天，联谊会主任b director了指挥官。 她告诉警官，今晚有一对新人会进入新娘的房间，但新娘因为无所不在的雷达而害羞。 雷达足以创造理解。 那么什么是雷达？ 雷达的功能是什么？ 也许我们很多人不能完全回答这个问题。
There was an interesting story about radar happened in long time ago. A radar army stationed in a remote village, and at the very start, the thief always stole vegetables from the army. So the commanding officer told the entire villager he knew someone always stole vegetables from the army because the radar can detect everything, and he hoped that nothing like this would happen again. Gradually, the village became harmonious and had a good atmosphere. One day, the sorority director met the commanding officer bashfully. She told the officer that there was a new couple would go into the bride’s room tonight, but the bride was shy because the omnipotent radar. Radar is enough to create understandings. So, what is radar? What is the function of radar? Maybe many of us cannot answer the question completely. 

Detailed Information about Detecting Laser Radar关于检测激光雷达的详细信息

Radar is an electronic equipment that using electromagnetic wave to find the objective and determine its special location. The detecting laser radar is invented to detect 30 km to 100 km distancing from the ground even higher upper atmosphere.
The atmosphere section is difficult to detect, because this atmosphere section is extremely pure and there is no aerosol. Detecting laser radar is the most effective measure to detect this atmosphere section. 
What is the principle of detecting laser radar? It is formed by three parts: launching laser, using optical telescope to receipt, and using echo signal to detect. The differences are that the energy of laser is stronger than ordinary radar and the sensitivity is higher than ordinary radar1．
The detecting laser radar is invented by Chinese Academy of Sciences, the Mathematical Sciences Institute in Wuhan city plays an important role in the invention, and the invention of detecting laser radar is our own patented technology absolutely. A model was firstly presented by a member of the Mathematical Sciences Institute. And a solution was gotten, which can represent density distribution by the data obtained from the detecting laser radar. So we can obtain accurate and reliable measurement data from the detecting laser radar. The solution is obtained from multiple experiments and discussions. There are many factors should be considered, just as amplitudes, the width of the detecting laser radar and different pulses2．These factors are very important for the design and improvement of the laser radar.
The international technology of laser radar also is very advanced. The international studies of radar have shown great growth in the last 20 years. The growth is multiple and various as it happened in many areas, such as aerospace science and technology and many kinds of researches. New technology and interconnection network promote the development of laser radar.

The Detecting Laser Radar’s Impact of China Aerospace Science检测激光雷达对中国航天科学的影响

The development of China Aerospace Science is promising and potential in China, because the growth of electronic equipment is rapid and the research in Aerospace Science obtains a good progress. And many aerospace industries have gotten great benefits. The aerospace industries can get profit more than 100 000yuan every year. The investment in aerospace industries also gains great progress. It is predicted that the investment in aerospace industries will get more flourishing and prosperous after 2 years 3．
The invention of detecting laser radar has great impact on China Aerospace Science.
It is basic for the research of Chinese independent frequency system, and it also is fundamental for some high-precision researches, for example, the researches in space navigation.
It also has great impact on Chinese medical treatment cause. The electromagnetic wave of the