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Browsing by Author "Wang, Zhihua"
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A 0.1–5.0 GHz flexible SDR receiver with digitally assisted calibration in 65 nm CMOS
Zhang, Xinwang; Chen, Zipeng; Gao, Yanqiang; Xu, Yang; Liu, Bingqiao; Yu, Qian; Sun, Yichuang; Wang, Zhihua; Chi, Baoyong (2018-02-01)A 0.1–5.0 GHz flexible software-defined radio (SDR) receiver with digitally assisted calibration is presented, employing a zero-IF/low-IF reconfigurable architecture for both wideband and narrowband applications. The ... -
A 10-b Fourth-Order Quadrature Bandpass Continuous-Time ΣΔ Modulator With 33-MHz Bandwidth for a Dual-Channel GNSS Receiver
Zhang, Junfeng; Xu, Yang; Zhang, Zehong; Sun, Yichuang; Wang, Zhihua; Chi, Baoyong (2017-04-01)A fourth-order quadrature bandpass continuous-time sigma-delta modulator for a dual-channel global navigation satellite system (GNSS) receiver is presented. With a bandwidth (BW) of 33 MHz, the modulator is able to digitalize ... -
A Fully-Integrated Reconfigurable Dual-Band Transceiver for Short Range Wireless Communications in 180 nm CMOS
Yu, Xiaobao; Wei, Meng; Yin, Yun; Song, Ying; Han, Siyang; Liu, Qiongbing; Jin, Zongming; Liu, Xiliang; Wang, Zhihua; Sun, Yichuang; Chi, Baoyong (2015-08-27)A fully-integrated reconfigurable dual-band (760-960 MHz and 2.4-2.5 GHz) transceiver (TRX) for short range wireless communications is presented. The TRX consists of two individually-optimized RF front-ends for each band ... -
Verification and Validation of a Low-Mach-Number Large-Eddy Simulation Code against Manufactured Solutions and Experimental Results
Liu, Yingzu; Wan, Kaidi; Li, Liang; Wang, Zhihua; Cen, Kefa (2018-04-13)To investigate turbulent reacting flows, a low-Mach number large-eddy simulation (LES) code called ‘LESsCoal’ has been developed in our group. This code employs the Germano dynamic sub-grid scale (SGS) model and the steady ...