Real-Time Method and Implementation of Head-Wave Extraction for Ultrasonic Imaging While Drilling von Zhang, Liangchen, Lu, Junqiang, Wu, Jinping, Men, Baiyong, Xie, Chao, Zong, Yanbo, Yang, Shubo, Ni, Weining

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Delta-Sigma Modulation for Direct Digital Frequency Synthesis von Dayu Yang, Dai, F.F., Weining Ni, Shi Yin, Jaeger, R.C.

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A direct digital frequency synthesizer with fourth-order phase domain Delta capital sigma noise shaper and 12-bit current-steering DAC von Fa Foster Dai, Fa Foster Dai, Weining Ni, Weining Ni, Shi Yin, Shi Yin, Jaeger, R C

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A high-performance MUX-direct digital frequency synthesizer with quarter ROMs von Hao, Zhikun (志坤郝), Zhang, Qiang (强张), Ni, Weining (卫宁倪), Shi, Yin (寅石)

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Using logging while drilling resistivity imaging data to quantitatively evaluate fracture aperture based on numerical simulation von Kang, Zhengming, Li, Xin, Ni, Weining, Li, Fei, Hao, Xiao long

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A 10-bit 50-MS/s sample-and-hold circuit with low distortion sampling switches von Xubin, Zhu, Weining, Ni, Yin, Shi

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A CMOS AC/DC charge pump for a wireless sensor network von 张强 倪卫宁 石寅 俞育德

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A high speed direct digital frequency synthesizer realized by a segmented nonlinear DAC von 袁凌 倪卫宁 郝志坤 石寅 李文昌

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3D FEM simulation of responses of LWD multi-mode resistivity imaging sonde von Kang, Zheng-Ming, Ke, Shi-Zhen, Li, Xin, Mi, Jin-Tai, Ni, Wei-Ning, Li, Ming-Yu

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A direct digital frequency synthesizer with fourth-order phase domain [Delta][Sigma] noise shaper and 12-bit current-steering DAC von Dai, Fa Foster, Ni, Weining, Yin, Shi, Jaeger, R.C

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Compressive Strength Analysis of MWD Microchip Tracer von Zhu, Zu Yang, Ni, Wei Ning, Li, Ji Bo, Li, San Guo

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A direct digital frequency synthesizer with fourth-order phase domain /spl Delta//spl Sigma/ noise shaper and 12-bit current-steering DAC von Fa Foster Dai, Weining Ni, Shi Yin, Jaeger, R.C.

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An I/Q channel 12-bit 200MS/s CMOS DAC with three stage decoders for wireless communication von Yunhua Yu, Haitao Shi, Weining Ni

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An 8-b 600MSmaples/s folding and interpolating ADC von Yunhua Yu, Weining Ni, Xubing Zhu, Haitao Shi, Na Qi

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A compact direct digital frequency synthesizer for system-on-chip von Cao Xiaodong, Ni Weining, Yuan Ling, Hao Zhikun, Shi Yin

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A 10-bit 2GHz Current-Steering CMOS D/A Converter von Yuan, Ling, Ni, Weining, Shi, Yin, Dai, Foster F.

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A 10-bit CMOS 300 MHz Current-Steering D/A Converter von Hao, Zhikun, Yuan, Ling, Ni, Weining, Yin, Shi, Hao, Guofa

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Downhole multidimensional imaging feature extraction method and imaging apparatus von Wang, Lishuang, Ni, Weining, Zhu, Zuyang, Yan, Lipeng, Zeng, Yijin, Zhang, Wei, Mi, Jintai, Li, Xin, Wu, Jinping, Hu, Yuefa

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A 12-bit 300 MHz CMOS DAC for high-speed system applications von Weining Ni, Xueyang Geng, Yin Shi, Foster Dai

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Delta-Sigma Modulation in Direct Digital Frequency Synthesis von Yang, Dayu, Ni, Weining, Dai, Foster F., Shi, Yin, Jaeger, Richard C.

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