In this chapter we continue our introduction to circuit analysis by studying periodic functions in both the time and frequency domains. Any periodic function may be represented as the sum of an infinite number of sine and cosine functions which are harmonically related. The response of the linear network to the general periodic forcing function may be obtained by superposing the partial responses
In this chapter we will introduce an important frequency is that network function or parameter reaches a maximum value. In certain simple a networks, this occurs when an impedance or admittance is purely real-a condition known as resonance
We define transfer function H(s) as a ratio of the Laplace transform of system output (or response)(s) to the Laplace transform of the input(or forcing function)v(s) when all initial conditions are zero, then
We consider each term of the Fourier aeries representing the voltage as a single source. The equivalent impedance of the network at no is used to compute the current at that harmonic. XL(n) =noL and XC() =-1/noC The sum of these individual responses is the total response i
A point at which two or more elements have common connection is called node(节点). Suppose that we start at one node in a network and move through a simple element to the node at the other..., if no node was encountered more than once, then the set of nodes and elements that we have passed hrough is defined as path(路径)
72.1 B-ISDN Manfred N.Huber B-ISDN Services and Applications- Asynchronous Transfer Mode.Transmission of B-ISDN Signals.ATM Adaptation Siemens Layer. B-ISDN Signaling J.N.Daigle 72.2 Computer Communication Networks Commun University of Mississippi General Networking Concepts Computer Con ication Network Architecture. Local-Area- Networks and Internetssome Joseph Bannister Additional Recent Developments University of Southern 72.3 Local-Area Networks
