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Articles by B. Huang
Total Records ( 3 ) for B. Huang
  Y. Lin , Y. Xu , G. Chen , B. Huang , J. Yao , Z. Chen , L. Yao , F. Lin , Y. Qiao , Z. Chen , S. Zhu , H. Huang and J. Wen
  Objective  It has been suggested that serum γ-glutamyltransferase is independently associated with cardiovascular mortality and atherosclerosis. The present study is to investigate the relationship between serum γ-glutamyltransferase and potential associated damage in an adult She Chinese population.

Method  A multistage, stratified, cluster, random sampling method was used to select an ethnically representative group of individuals aged 20-80 years in the general population. Brachial-ankle pulse-wave velocity was used to assess arterial stiffness in the general population and the Toronto Clinical Neuropathy Scoring System was used to detect diabetic peripheral polyneuropathy among populations with diabetes.

Results  A total of 5385 subjects were entered into the analysis. Serum γ-glutamyltransferase levels were classified into four groups using the 25th, 50th and 75th percentiles as cut points (males: < 20, 20-29, 29-52 and > 52 U/l; females: < 13, 13-18, 18-25 and > 25 U/l). As compared with the first quartile, the relative risks of arterial stiffness were 1.418, 1.667 and 2.394 in the other three categories, respectively (test for trend P < 0.05). After adjustment in five models, serum γ-glutamyltransferase was still a risk factor of arterial stiffness. We found inverted U-shape curves in both genders and the third quartile (male: 29 52 U/l; female: 18-25 U/l) had the highest odds ratios of 1.640 and 1.529, respectively.

Conclusions  We demonstrated that high serum γ-glutamyltransferase concentrations were directly associated with the increased risk of arterial stiffness, in general, and with peripheral polyneuropathy in subjects with diabetes in an ethnic She Chinese population. Alcohol use, gender, BMI and blood pressure were related to serum γ-glutamyltransferase and were involved in the relationship between serum γ-glutamyltransferase and brachial-ankle pulse-wave velocity.

  Z. Guo , Z. Xu , F. Wang and B. Huang
  Call drop out is one of the most annoying problems in mobile communications. Over the years, many strategies have been proposed to solve the problem of call drop out, but it is still prevalent. One of the important reasons for call drop outs is high Bit Error Rate (BER). In this study, our intent is to reduce the call drop out by decreasing the BER based on Empirical Mode Decomposition (EMD). Thereafter, we introduce a new signal processing subsystem at the receiver section to decrease BER and thereby improve the end-to-end performance of the system. Our simulation is valid specifically for Code Division Multiple Access (CDMA) with QPSK modulation, although it can be extended to any cellular network. Our simulation proves that the new signal processing subsystem improves the BER performance.
  P. Zan , G. Yan and B. Huang
  A three degrees-of-freedom inchworm-type robot is presented for miniature endoscope inspection in the human respiratory system. The robot is actuated with pneumatic artificial muscle and clamped by two air chambers. The robot`s extra resistance in the human trachea is analysed in detail and the dynamic model of the robot is built. In order to solve the problems of low stiffness and the nonlinear movement characteristic of the pneumatic robotic system, a fuzzy wavelet neural network controller is proposed to control the robot position servo system using the principle of pulse width modulation. Simulation and experimental results both demonstrate that the training of the fuzzy wavelet neural network controller is faster and the control quality is effectively improved. The monitoring experiments had been done in a swine trachea during mechanical ventilation, and the miniature system can dynamically measure respiratory parameters.
 
 
 
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