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As a result of population aging, remote electrocardiograph (ECG) monitoring systems have increasingly gained attention. The traditional ECG signal acquisition system has many limitations. This paper presents a high-precision sigma-delta modulator for ECG signal acquisition. The circuit is implemented in a SMIC-EE 0.18 µm process. Simulation results indicate that the signal-to-noise ratios with and...
Error coding techniques are proposed to enhance the efficiency and reliability, and to minimize the delay of the future Internet. The need of such enhancement is established. Internally, a method is proposed for the replacement of all the Internet transmission protocol Checksums. An optimal coding algorithm is presented for all protocol applications beyond the Internet. Externally, a systematic method...
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