应用于射频／微波的新行为级仿真技术——非线性转换因子的近似法  

New Behavioral - Level Simulation Technique for RF/Microwave Applications - Approximation of Nonlinear Transfer Functions

作　　者：郝永亮[1] 贾丰溥[1] 

机构地区：[1]中国电子科技集团公司第33研究所能力与产业发展处,山西太原030006

出　　处：《电子材料与电子技术》2016年第1期26-29,共4页Electronic Material & Electronic Technology

摘　　要：在宽频活动范围内，瞬时积分技术用于射频／微波的非线性行为级仿真是一个有效的工具。为了获得准确的仿真结果，采用非线性转换因子的精确近似法，并对AM-AM，AM-PM的精确也十分必要。The instantaneous puadrature technique is an efficient tool for nonlinear behavioral - level simulation of RF microwave circuits or systems over wide frequency and dynamic ranges. In order to obtain accurate simulation results, accurate approximation representation of the nonlinear transfer functions （or factors）as well as accurate measurement（or circuit - kevel simulation） of the amplitude （AM - AM） and and phase （AM - PM） nonlinearities are required. In this paper, we consider how to approximate these transfer functions （factors） using splines, orthogo- nal and nonorthogonal serise expansions, and evolutionary programming techniques （genetic algorithm and neural net- works） with viewpoint of the simulation accuracy. The influence of AM - AM and AM - PM measurement （or simulation） inaccuracy and noise on the entire simulation accuracy is also discussed. Series expansion methods are proposed as a tool to filter out the measurement noise.

关 键 词：行为级仿真 非线性转换因子 近似 

分 类 号：TN702[电子电信—电路与系统]