期刊名称:International Journal of Advanced Research in Computer Engineering & Technology (IJARCET)
印刷版ISSN:2278-1323
出版年度:2013
卷号:2
期号:10
页码:2696-2702
出版社:Shri Pannalal Research Institute of Technolgy
摘要:In this research paper, we have designed least Pth – norm IIR filter by using arbitrary magnitude response type having density factor=18 and pth norm =120. The ability is to create filters that have arbitrary shape frequency response curves, and filters that meet performance constraints, such as band pass width and transition region width, is well beyond that of analog .Quantization is a natural outgrowth of digital filtering and digital signal processing development. hpsd = noise psd (H,L) is the relation that computes the power spectral density (PSD) at the output of the object or filter System objects H, occurring because of round off noise. This noise is produced by quantization errors within the filter. L is the number of trials used to compute the average. The PSD is computed from the average over the L trials. The more trials you specify, the better the estimate, but at the expense of longer computation time Unfortunately, many in the electronics field dare uncomfortable with the subject, whether due to a lack of a molarity with it, or a reluctance to grapple with the mathematics involved in a complex filter design This application note is intended to serve as a very basic introduction to some of the fundamental concepts and terms associated with filters. It will not turn a novice into a filter designer, but it can serve as a starting point for those wishing to learn more about filter design.
关键词:Arbitrary Magnitude Response; Density Factor; Filter Order; Filter approximation function