Tingwei Niu

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OBJECTIVE To evaluate the utility of sputum induction in the large-scale tuberculosis control program. METHODS Prospective study on sputum induction for improving the diagnostic yield of pulmonary tuberculosis, and estimation of the direct costs for sputum induction. RESULTS Of 1,648 tuberculosis suspects with poor or absent sputum production, induced(More)
In order to get a better parameter of time-varying systems, a parameter recursive estimation method based on Kernel Particle Filter (KPF) is proposed. This method is based on the feasible initial parameter which is generated by adaptive modeling in short time-varying systems. A set called particle swarm is constructed by the initial parameters with random(More)
Two miniature pinhole camera arrays for spatially and temporally resolved measurements of soft x-ray emission have been designed and installed on the STOR-M tokamak. Each array consists of a photodiode array, with one array viewing vertically and one viewing horizontally through a plasma cross section. Preamplifiers with fixed gains of 10(5) VA and custom(More)
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