Download Behavioral Modelling and Predistortion of Wideband Wireless by Fadhel M. Ghannouchi, Oualid Hammi, Mohamed Helaoui PDF

By Fadhel M. Ghannouchi, Oualid Hammi, Mohamed Helaoui

Covers theoretical and sensible elements concerning the behavioral modelling and predistortion of instant transmitters and tool amplifiers. It contains simulation software program that permits the clients to use the speculation provided within the booklet. within the first part, the reader is given the overall heritage of nonlinear dynamic structures besides their behavioral modelling from all its points. within the moment half, a finished compilation of behavioral versions formulations and buildings is equipped together with reminiscence polynomial established versions, field orientated versions comparable to Hammerstein-based and Wiener-based types, and neural networks-based types. The booklet should be a useful source for layout engineers, commercial engineers, functions engineers, postgraduate scholars, and researchers engaged on strength amplifiers modelling, linearization, and layout.

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Tiziani, Transient thermal impedance considerations in power semiconductor applications. Proceedings in Automotive Power Electronics, Dearborn, MI, August 1989, pp. 89–97, 1989. [25] N. Le Gallou, J. M. Nebus, E. Ngoya, and H. Buret, Analysis of low frequency memory and influence on solid state HPA intermodulation characteristics. Digest IEEE International Microwave Symposium, Phoenix, AZ, June 2001, pp. 979–982, 2001. S. and Zweidinger, D. (1993) The effects of BJT self-heating on circuit behavior.

IEEE Transactions on Broadcasting, 55 (1), 109–114. 2 Dynamic Nonlinear Systems In Chapter 1 a description of a nonlinear system, the power amplifier, along with the effects that it introduces to the communication signal, is presented. Characteristics of this nonlinear system were also presented in detail along with the metrics to quantify the amount of nonlinear distortion. In this chapter, dynamic nonlinear power amplifiers will be introduced. First, the notion of memory in systems will be defined.

3 Nonlinear System with Memory This last category is the most general, as it includes the previous two categories as special cases. All of the nonlinear effects of the previous two categories are still present, but the additional property of frequency dependence in the AM/AM and AM/PM coefficients may be observed. 8) Proper modeling requires that attention be paid to the frequency characteristics of the nonlinearities. The Volterra series is an appropriate representation, although frequency-dependent in-phase/quadrature models have been proposed.

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