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  Ensuring service quality is one of the most advanced topics in the network technology field. Packet Switching is an inevitable trend in the development of network technology, as it overpowers circuit switching and IP networks over traditional

These are the formulas of the triangles.The triangle is a right angle of two sharp angles in short.Cos is the cosine theorem, which is the adjacent edge of the acute angle divided by the hypotenuse of the triangle.Sin is the sine theorem, which is

Sin cos exp is calculated using the Taylor Formula and mclawin formula. To prevent the power operation index from being too high, it is easy to cause overflow when a large input parameter is calculated. Considering that sin and cos both use 2 * PI

Note: This blog post all source code is:Git Repo.1. Source code is written in Ubuntu14.04 + Indigo environment. First, the transformation matrixAfter a blog introduction, we've got Rob an arm of the d-h parameter table, as shown in the table above,

1. ASCII Returns the decimal number corresponding to the specified character; Sql> Select ASCII (a) a,ascii (a) a,ascii (0) Zero,ascii () space from dual; A A ZERO space --------- --------- --------- --------- 65 97 48 32 2. CHR gives the

Feather painting by action Code: OnMouseDown = init; function init () {// create a feather, and set each feather parameter and call the function feather = createEmptyMovieClip ("f" + I, 10000 + I ++); feather. swapDepths (Math. random () * 10000);

　　1 IntroductionThere are two strategies in the network architecture of the Next Generation Network: Smart endpoints and edges, simple network facilities, and simple endpoints and edges and smart network facilities. For the former, because the

Softswitch technology is an important part of the knowledge that we have to learn in Switch Applications. Have you ever heard of the H.323 protocol in the Softswitch technology? This Protocol plays an important role. Next we will introduce the

1 IntroductionThere are two strategies in the network architecture of the Next Generation Network: Smart endpoints and edges, simple network facilities, and simple endpoints and edges and smart network facilities. For the former, because the driving

The use of routers and switches is indispensable in network construction. In some vswitches, we use them in combination with the H.323 protocol. Today, we will introduce you to the basic knowledge of Softswitch technology and H.323 protocol. There