• 20年专注海外留学生essay代写

  • 50000+留学生essay代写首选品牌

  • 正规教育机构教你怎么写essay范文

当前位置: Essay写作网 > Assignment范文 >

时间:2020-10-14 13:38 来源: Essay代写

摘要:GPS Term ProjectGPS条款项目全球定位系统(GPS)项项目 GPS Term Project Mathematical Approach- Satellite Satellite will receive standard input from pipe line, then we will make 2 key data structure, whose name are matrix and satellite. Proces......

GPS Term Project  GPS条款项目  全球定位系统(GPS)项项目

GPS Term Project
Mathematical Approach-
Satellite will receive standard input from pipe line, then we will make 2 key data structure, whose name are matrix and satellite. Process matrix and satellite by x position with function named by HigherThanHorizon.
Finally, we will send out the result to standard output.
1st, Approach towards our satellite, the programs were written in order to convert angles from degrees, minutes, and seconds to radians, and vice versa. 2nd, we used the formula derived from exercise #4 from equations; (19), (18), (17), (14), and (13) in the project homework assignment. This gives us a formula from converting position and general time t as given in [ tV  Ød  Øm  Øs  NS  ëd  ëm  ës  EW  h (10)] into Cartesian coordinates. Since the main purpose for each of our programs is to take in standard input, and out standard output, we used the information gained in exercise 6 to convert the data from Cartesian coordinates into form (10). In order to complete this task we used and added some additional parameters to (20).

第一,接近我们的卫星时,编写的程序是为了将角度、分、秒转换为弧度,反之亦然。第二,我们使用了从公式中推导出的练习#4的公式;(19)、(18)、(17)、(14)、(13)。这给了我们一个公式从转换位置和时间t在[电视ØdØmØs NS ed em es电子战h(10)]到笛卡尔坐标系。由于我们每个程序的主要目的是接收标准输入,输出标准输出,因此我们使用练习6中获得的信息将数据从笛卡尔坐标转换为形式(10)。为了完成这个任务,我们使用并向(20)添加了一些额外的参数。
h = sqrt(x2 + y2 +z2) – R
{arctan (z/sqrt(x2 + y2))
Ø = {π/2
For x2 + y2 ≠ 0
For x = y = 0, z > 0
For x = y = 0, z < 0
ë =    {arctan (y/x)
{ð + arctan(y/x)
{2ð + arctan(y/x)
For x = 0, y > 0
For x = 0, y < 0
For x > 0, y > 0
For x < 0
For x > 0, y < 0

3rd, We were then compelled to find a condition set to assure us the satellites used for our data were above the horizon. Given in Cartesian coordinates of the following equation (31), we figure x being a point on earth and s, in space, this tells us whether s viewed from x is in fact higher than the horizon.


t0 = tV - ǁxs(tV)-xVǁ2/c

4th,  is to compute our ts and xs, being time and position of the satellite respectively. We continued following the iteration from exercise 9 and solving t0 in the form (40).



Receiver will receive standard input from pipe line. Then it will 2 geography, one is a temperature geography, one is to save the final result.
Loop and get inputs, process and check to find the final result.
As mentioned in the project assignment, we have 4 unknowns with coordinates of location and time, which leaves us a range within c(tS – tV), where we do not know tV. For our mathematical approach in solving our system of 4 nonlinear equations, we chose to follow exercise 14, and solving thru Newton’s method, the nonlinear system obtained by the Least Squares approach. Due to the possibility of failure in solving this non-linear system, we chose our initial points as such: for the receiver, denote geo0 and geo1 be last two geographic coordinates of vehicle's solution. Let d_geo be the difference of geo1 and geo0 and geo = d_geo + geo1.  Then init_t = t_s[1]+.08 and init_x = geography2cartesian(init_t, geo). We used .08s for the addition to t_s[1], because it is experimentally the average time that the signal takes to go to the vehicle. Also, let it be known that the init_x is approximated by assuming the velocity of the vehicle, constant over a short period.

正如在项目作业中提到的,我们有4个未知数,位置和时间的坐标,这给我们留下了一个c(tS - tV)的范围,我们不知道电视。对于我们求解4个非线性方程组的数学方法,我们选择了练习14,并通过牛顿法求解,通过最小二乘法得到的非线性方程组。由于求解该非线性系统存在失败的可能性,我们的初始点如下:对于接收器,表示geo0, geo1为车辆解的最后两个地理坐标。设d_geo为geo1和geo0的差值,geo = d_geo + geo1。然后init_t = t_s[1]+。和init_x = geography2cartesian(init_t, geo)我们用0。08来表示t_s[1]的加法,因为从实验上看,它是信号到达飞行器的平均时间。同样,让我们知道,init_x是通过假设飞行器的速度来近似的,在短时间内恒定。

How to use our program?
Our programming language consisted of using C++.
1.we can run the program by command:make run
2.we can compile the program by command: make
3. we can clear all binary files by command: make clean
4.we can run the program annual by command : cat bm.dat | java vehicle | ./satellite | ./receiver

1.我们可以通过命令来运行程序:make run
3.我们可以通过命令清除所有二进制文件:make clean
4.我们可以通过以下命令每年运行该程序:cat bm.dat | java车辆| ./卫星| ./接收器

Satellite takes geographic data from standard input [ tV  Ød  Øm  Øs  NS  ëd  ëm  ës  EW  h (10)] and generates data from satellites above the horizon in the form [iS tS xS] (26). The receiver takes data in form (26), and prints to standard output in (10). Both the satellite and receiver use data.dat parameters. These programs can be used by giving a command like:
cat bm.dat | java vehicle | ./satellite | ./receiver
What we can learn?
We noticed in derivatives that there could have been problems in diving the Ni = ǁxS - xǁ2, since Ni is large, we avoided dividing by zero. From this, we learned that we should divide by larger numbers, but if in another project Ni was small, we would know to modify the problem or equation to divide by a reasonably large number to avoid having to divide by zero.
卫星将地理数据从标准输入(电视ØdØmØs NS ed em es电子战h(10)]和生成数据从卫星在地平线形式是tS xS(26)。接收器以(26)形式接收数据,并以(10)形式打印到标准输出。卫星和接收器都使用数据。dat参数。这些程序可以使用的命令,如:
cat bm.dat | java车辆| ./卫星| ./接收机
我们注意到在衍生品可能是问题在潜水倪=ǁxS - xǁ2,因为倪很大,我们避免了除以零。从这里,我们知道我们应该除以更大的数,但如果在另一个项目中,Ni很小,我们就会知道修改问题或方程,除以一个相当大的数,以避免必须除以零。




替写Assignment作业范文 工作...... 2020-10-28

工作计划范文 Work to have a plan Learn in a planned and methodical way. An unexamined life will only make you a failure. Because of the laxity of the school system, I did not put the manager on the study. I spent a lot of time practicing hockey......

Assignment作业替写范文 黄色...... 2020-10-28

黄色战争 红十字会Red Cross of the Yellow War This article mainly expounds the establishment of the Red Cross and the significance, the author want to through the way to learn more about the history of the Red Cross and influence, also found in......

Assignment作业代写范文古巴...... 2020-10-28

古巴导弹危机Cuban Missile Crisis This article mainly describes that during the war, due to political instability, political friction, the struggle between political parties, the cold war between big powers, and the gradual increase of military f......

Assignment作业写作范文军事...... 2020-10-28

军事战争分析报告范文三篇 Military war analysis report fan Wen three 中途岛战役 Battle Of Midway The article return to the Battle of Midway by Thomas B. Allen is a summary of the battle. While Allen tells of the events, he also tells......

代写Assignment作业范文谁刺...... 2020-10-28

谁刺杀了肯尼迪范文 Who killed Kennedy Who Shot JFK. This paper focuses on the question of who killed Kennedy. This discussion has been going on for a long time and there is no answer. From the perspective of geographical location, bullet and......

Assignment代写范文吸血鬼小...... 2020-10-28

吸血鬼小说范文 Vampire novel model essay The research topic of this report is the analysis of vampire novels from the perspective of Gothic elements, because Gothic novels are set in the atmosphere of terror, the original passion of repression......

Assignment作业范文家庭关系...... 2020-10-28

家庭关系调查报告report范文 The happy family relations survey report 在这家庭关系调查报告项目中,作者选择了一个灾区作为调查的地点,发现整个家庭是在良好的秩序和有一个明确的内在的风俗。......

巴西土著黑人传承文化...... 2020-10-15

巴西土著黑人传承文化 Brazils indigenous black people carry on their culture This paper describes the inheritance culture of indigenous black people in Brazil from the aspect of plot. Revelry is not only the setting of the film, but it is im......

爱国者范文...... 2020-10-15

爱国者范文 每个人都应该爱国 Patriot model essay, everyone should be patriotic America is a great country with many opportunities. If they want to remain free, Americans must support their government. There are people in America who are f......

百思买市场分析报告范文...... 2020-10-15

百思买市场分析报告范文 Best Buy market analysis report model 本文是一篇百思买商家的市场分析报告:百思买是一个最大的跨国消费电子企业。以广义的视角来看,保留行业原本是一个综合性的领域......

领导经验报告范文...... 2020-10-15

领导经验报告范文 Leadership experience report model essay 今年,我参加了一些诸如家庭变革的会议和监考。这些节目提高了我的领导能力,提高了我的生活态度。他们是我生命中宝贵的经验。在圣诞......

中国传统文化——孝...... 2020-10-14

中国传统文化孝Chinese traditional culture -- Filial piety Since ancient times, the traditional China has taken Xiao (obedience within the family) as an unshakeable moral standard. In this report, I will discuss why filial piety was essential to......

GPS条款项目范文...... 2020-10-14

GPS Term ProjectGPS条款项目全球定位系统(GPS)项项目 GPS Term Project Mathematical Approach- Satellite Satellite will receive standard input from pipe line, then we will make 2 key data structure, whose name are matrix and satellite. Proces......

三星S4手机用户使用手册...... 2020-10-14

三星Galaxy S4用户手册The User Manual of Samsung Galaxy S4 这是一篇对三星S4手机用户使用手册的解读。This is an essay to the understanding of the samsung S4 mobile phone user manual In this assignment, the user manual of Samsungs......

Get in Touch