Qi ZHAO


Research on Ionospheric Scintillation with Beidou Satellite Signal
Qi ZHAO Hongwei DENG Hongbo ZHAO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/08/01
Vol. E98-B  No. 8  pp. 1725-1731
Type of Manuscript:  PAPER
Category: Navigation, Guidance and Control Systems
Keyword: 
ionosphere irregularitiesamplitude scintillationphase scintillationBeidou navigation systemacquisition probability
 Summary | Full Text:PDF(1.6MB)

Local Frequency Folding Method for Fast PN-Code Acquisition
Wenquan FENG Xiaodi XING Qi ZHAO ZuLin WANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/05/01
Vol. E97-B  No. 5  pp. 1072-1079
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
PN-code acquisitionlocal frequency foldingdetection probabilitymean acquisition time
 Summary | Full Text:PDF(1.7MB)

Throughput Maximization Based on Joint Channel and Sensing Time Assignment for the Cooperative Cognitive Radio Network
Qi ZHAO Zhijie WU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/12/01
Vol. E95-B  No. 12  pp. 3855-3862
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cognitive radio networkthroughput maximizationspectrum sensingchannel assignment
 Summary | Full Text:PDF(1.2MB)

Qualitative Decomposition and Recognition of Infrared Spectra
Qi ZHAO Toyoaki NISHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/06/25
Vol. E79-D  No. 6  pp. 881-887
Type of Manuscript:  PAPER
Category: Artificial Intelligence and Cognitive Science
Keyword: 
artificial intelligencequalitative reasoninginaccuracy handlinginfrared spectrum recognition
 Summary | Full Text:PDF(656.7KB)