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12 results on '"Liang Huanhui"'

5. [Untitled]

Author

Chen Weibin, Luo Xizhang, Zhang Hongjie, Liang Huanhui, and Zhang Xun

Subjects
Engineering, Radiation, business.industry, Condensed Matter Physics, Laser, law.invention, Medical biology, Far infrared, law, Systems engineering, Research development, Electrical and Electronic Engineering, business, Instrumentation, Remote sensing
Abstract

The research development and the latest results of far-infrared laser in the last few years were introduced from the following aspects: far-infrared laser, study of basic science, study of astrophysics, communication and military applications, engineering applications, study of medical biology and other applications.

Published
2003

8. Wide-band spectral characteristic of optically pumped sub millimeter wave laser

Author

Liang Huanhui, Chen Weibin, and Luo Xizhang

Subjects
Physics, Range (particle radiation), business.industry, Laser pumping, Laser, law.invention, Optical pumping, symbols.namesake, Optics, Stark effect, law, Extremely high frequency, symbols, Optoelectronics, Physics::Atomic Physics, Wide band, business, Raman spectroscopy
Abstract

It was found that multi-Raman process and AC Stark effect were essential after study on the effect on wide-band characteristic under different operating gas pressure. Further more the rule of extending the output spectral range was deduced.

Published
2005

9. Pattern synthesis using an adaptive array method for wideband system

Author

Xiao Mingming, Liang Huanhui, and Xia Minghua

Subjects
Pattern synthesis, Narrowband, Adaptive algorithm, Frequency band, Computer science, Antenna radiation patterns, Smart antenna, Electronic engineering, Signal synthesis, Wideband, Computer Science::Information Theory
Abstract

In this paper, a novel pattern synthesis algorithm for a wideband smart antenna system is presented. Based on the adaptive theory, the proposed algorithm can control the pattern precisely in both mainlobe and sidelobe region. With the novel algorithm, it is efficient to obtain a frequency-invariant pattern over the whole frequency band. Simulation results illustrate the effectiveness of the proposed algorithm

Published
2005

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