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The Reichardt Correlator is a bio-inspired motion detector with its low computation complexity and is commonly used for velocity estimation of objects. Traditionally, the input signals to the Reichardt Correlator are represented at high bit depths and sampled at Nyquist rate. With advances in digital microelectronics and mixed signal techniques, this paper presents a new approach for using oversampled,...
The Sigma-Delta converter is an analog to digital converter (ADC) with oversampling pulse code modulation (PCM) integrated with noise shaping technique. The bio-inspired motion detector Reichardt Correlator has low computation complexity and is commonly used in velocity estimation for detected objects. Conventionally, the received signals in receptors in a Reichardt Correlator are often digitized...
To solve the strong MAI in the stable CDMA system a new algorithm of normalized LMS blind multiuser detector based on Kalman filter is proposed. The algorithm which combines the Kalman filter and normalized LMS can estimates the adaptive vector to get the optimal estimation of the detection vector. Both theory analysis and experimental simulation show that the algorithm not only has fast convergence,...
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