Lai Jiang , Wen-Kai Deng , Xiao-Chuan Zhang , Xiao-Lin Jin , Tao Huang
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An automatic tuning method for bandpass cavity filter based on stepping search algorithm
This paper presents an automatic tuning method based on a stepping search algorithm for bandpass cavity filters. This method imitates human tuning manipulation without recourse to a theoretical model of filter. To a certain extent, this implementation can replace and optimize the tuning work rely on engineers’ experience. The return loss and insert loss are the key indexes to measure whether the tuning terminated, and the hierarchical optimization objectives used as evaluation function of the method. To verify this approach, two screw- tuned cavity filters tuning instance are given with five screws and eleven screws respectively.
期刊介绍:
AEÜ is an international scientific journal which publishes both original works and invited tutorials. The journal''s scope covers all aspects of theory and design of circuits, systems and devices for electronics, signal processing, and communication, including:
signal and system theory, digital signal processing
network theory and circuit design
information theory, communication theory and techniques, modulation, source and channel coding
switching theory and techniques, communication protocols
optical communications
microwave theory and techniques, radar, sonar
antennas, wave propagation
AEÜ publishes full papers and letters with very short turn around time but a high standard review process. Review cycles are typically finished within twelve weeks by application of modern electronic communication facilities.