Recently, because of the relationship between Sino-2 and Beidou, many netizens posted the Tle data indicating the orbit of the satellite. Here is a brief introduction to the satellite orbital parameters and the format of the tle. Although no one actually reads the TLE data directly, it is the use of software to obtain satellite orbit and location information, but it is hoped that these introductions can be
clock difference drift rate, in seconds/in seconds;
~ Long-Term Variation of the flat angle (near-location parameter), radians/time seconds;
~ Reference point and radian of the moment;
~ Flat heart rate;
~ Square root of the long half axis, meters;
~ Refer to the time when the accesskey is raised to the chijing, radian;
~ Refer to the time-point orbital inclination, radians;
~ Near-location corner, radians;
~ The Long-Term Variation of the elevation point chijing in the Equator plane (mainly ca
first, Kepler's LawThe three Laws of planetary motion proposed by German astronomer J. Kepler. The first and second laws, published in 1609, were summed up in Kepler's data from the observation of the Martian position in the valley of astronomers; the third law was published in 1619. These three laws are called the Ellipse law, the area law and the harmonic law respectively.The contents of the Three laws:Kepler's First law (orbital law) all planets orbiting the Sun are elliptical, and the sun is
This article mainly introduces the C + + train into the orbit algorithm implementation code, the need for friends can refer to the "Problem description" nbsp; A city has a railway station, and the rails are laid out as shown in the picture. There are n carriages from a direction into the station, according to the entry sequence number for 1~n. Your task is to have them enter the B-direction rails in a certain order and drive out of the station. In o
1, the Tle Rail report:Next, the significance of the contents of the Tle Rail report is as follows:2. SGP4 Model:The SGP4/SDP4 model developed by NORAD is needed for the calculation of satellite orbits in the tle orbit, and the SGP4 model was developed by Ken Cranford in 1970 for the Near Earth satellite, which is a broad solution to Lane and Cranford (1969). Analysis of the simplification of the theory, these models need to take into account the Eart
Still looking for a star track trick? Is it still taking a few hours to get a star chart? In fact, a single photo of the stars can also produce a brilliant star track effect. Take a good picture of the sky, the next step to the @ James Photography, he will teach you how to use the peninsula Snowman plug-in single star material to make the orbit.
First step
Ctrl+o open a piece of material that is accurate and the stars are not too much
T
Jquery plug-in orbit. js achieves image folding rotation effect, jqueryorbit. js
JQuery image folding rotation code. You can click the left and right arrows to switch between images. Compatible with mainstream browsers. phplearn is recommended for beginners!
Usage:1. the header area references the jquery.min.js file and the chuxz.css file.2. Add 3. Reference jq. orbit. js and
Orbit is a well-designed and easy-to-use jQuery image slide plug-in. It not only supports switching between images, but also supports scrolling over content. The customization of the plug-in is quite high. It provides multiple parameter settings. You can set it to a style that fully meets your requirements. JQuery image folding rotation code. You can click the left and right arrows to switch between images. Compatible with mainstream browsers. phplear
9 Month 7 Universal Time 20 Point, minor 2014rc The closest distance to the Earth's orbit is the distance between the Earth and the earth. 1/10 . See: This year 8 Month 31 On the night of the day, astronomers found traces of the minor. The diameter of the minor is about 20 About meters. After calculation, the minor 9 Month 7 Day distance from Earth 4 Kilometers pass the earth's orbit
Polar routing: a wireless routerNETGEAR: A wireless router in the United States, called the network in China, also known as the United States network parts.An external cable---pulled to the polar route---then pulled from the polar route to Netgear.
Pole-routed body, fill in the user name and password of the dial-up connection. And then it's automatically connected. Default IP address: 192.168.199.xx. You can change it to 192.168.1.xx. (The outsi
Recently, global growth-oriented commercial network experts and wireless network pioneer NETGEAR announced the launch of ProSafe Wireless ADSL modem VPN Firewall Router (DGFV338. DGFV338, a small and medium-sized enterprise customer, is a compact, fully functional, six-in-One Security dedicated device. It has the features that NETGEAR's DG product line has failed to provide.
Recently, global growth-oriented commercial network experts and wireless netw
Environment
In a small office, you can activate China Telecom ADSL Broadband and use a NETGEAR wireless router to share the Internet. In the corner of the meeting room, the signal is weak. How can we effectively improve the coverage of wireless networks?
Solution
Confirm that the original model supports the wireless relay (WDS) function, purchase a new Netgear wireless router, and perform wireless relay wit
The market sales of NETGEAR wireless routers are very good and already the main force in the routing industry. Here we will introduce you to the new ideas and new design ideas of NETGEAR wireless routers, NETGEAR wireless router is a new wireless router that complies with the 11N standard under the network component. It adopts the brand new design style of pure b
How to make use of PS to synthesize beautiful star orbit effect chart
First of all, let's talk about the star rail. What is the star rail, as we all know, the stars are moving, then if we have a long exposure, or through some of the later techniques, the stars move the process of filming down, then the stars are not a bright spot, but into a line, then this bright line is the star track.
As the following picture shows, the point in the
Netgear Wireless routing gives people the impression that it is very cost-effective and is a suitable wireless router for home use. Netgear Wireless routing supports the IEEE802.11n protocol. It has three built-in antennas and adopts advanced NEXT wireless technology.
It can provide a wider range of signal coverage, and provide stable and efficient wireless connections for large offices and other places. A
';">BR>BR>BR>BR>BR>BR>BR>BR>BR>BR>BR>BR>BR>P>Applicable browser: 360, FireFox, Chrome, Opera, Proud tour, Sogou, the window of the world and other new browser.P>P>Source:ahref= "Http://hovertree.com"Target= "_blank">How to aska> ahref= "Http://hovertree.com/h/bjaf/css3xingxi.htm">Originala> ahref= "http://hovertree.com/texiao/">Effectsa>P>Div>Body>HTML>Transferred from: http://hovertree.com/h/bjaf/css3xingxi.htmEffect Summary: http://www.cnblogs.com/roucheng/p/texiao.htmlCSS3 Orange Planet orbi
code as follows:
/*STL stack to achieve * *
#include #include using namespace Std;
const int MAXN=1000+10;
int N,TARGET[MAXN];
int main ()
{
while (Cin>>n)
{
Stackint a=1,b=1;
for (int i=1;icin>>target[i];
int ok=1;
while (b{
if (A==target[b]) {a++; b++;}
else if (!s.empty () s.top () ==target[b]) {s.pop (); b++;}
else if (aelse {ok=0;break;}
}
if (OK)
coutElse
cout}
}
Summary
There is still room for optimization in the code you write. Learn the clear and logical
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