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The RF subsampling receiver suffers from nonlinear distortion caused by the front end of the receiver, specifically the low noise amplifier. Strong interferers present in the receiver introduce cross modulation distortion to the desired signal. This paper introduces a compensation method for the cross modulation distortion using digital signal processing techniques. In the proposed method, two signals...
This paper presents a design approach to determine the subsampling frequency ranges for a multi band system, where only one signal is prioritized so that it doesn't overlap with the other signals during the subsampling process. The proposed technique will introduce the formulas derived from an existing method to relax the conditions on the other signals in the multi band case. The results show that...
This project aims to enhance human speech energy at low frequencies using linear prediction methods to achieve better performance for speech recognizers in noisy conditions. In order to achieve this, a recognition system based on Warped Linear Prediction (WLP) is proposed. WLP is based on Warped Fourier Transform and the consideration is to warp a signal to another frequency scale and perform Fourier...
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