Correspondence should be addressed to Mustapha Raı̈ssouli, raissouli [email protected] Received 4 December 2010; Accepted 9 February 2011 Academic Editor: B. N. Mandal Copyright q 2011 Mustapha Raı̈ssouli. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work ...

A real-time subband adaptive noise cancellation system on an ultra low-power miniature DSP system is implemented. The system is targeted at personal communication devices where the speaker may be in a noisy environment. The system is implemented on an ultra low-power DSP system that incorporates a DSP core and an oversampled WOLA filterbank. Pre-emphasis filters are used to increase the converg...

purpose: to report the results of different methods for true corneal power and intraocular lens (iol) power calculation in 10 eyes with previous radial keratotomy (rk) with or without astigmatic keratotomy. methods: in this case series including 10 eyes of 7 patients who had undergone rk with or without astigmatic keratotomy, we firstly determined corneal power using two methods: contact lens m...