[1] Qiao Yong(乔勇), Ji Wen-bin(季文彬),Jiang Yu(蒋瑜). The design of a 300 MHz frequency source(300 MHz核磁共振频率源的研制)[J]. Chinese J Magn Reson(波谱学杂志), 2006, 23(4): 495-501.[2] Hu Ren-jie(胡仁杰). Implementation of arbitrary waveform generator with high resolving power(高分辨率任意波形发生器的实现)[J]. Journal of Southeast University(东南大学学报), 2002, 32(4):576-580.[3] Jiang Yu(蒋瑜), Shen Jian-hua(沈建华), Jiang Yun(蒋赟), et al. Application of the four DDS devices running in parallel to NMR(四路并行DDS合成技术在核磁共振中的应用) [J]. Chinese J of Magn Reson(波谱学杂志), 2000, 17(6):483-487.[4] Jiang Yun, Jiang Yu, Tao Hong-yan, et al. A complete digital radio-frequency source for nuclear magnetic resonance spectroscopy[J]. Rev Sci Instrum,2002, 73(9):329-331. [5] Niu Jun-hao(牛军浩), Li Zhi(李 智), Xu Chuan-pei(许川佩). Design of arbitrary waveform generator based on VXIbus(基于VXI总线的任意波形发生器模块设计)[J]. Computer Measurement and Control(计算机测量与控制), 2007, 15(1): 103-105.[6] Ning Rui-peng(宁瑞鹏), Xu Qin(徐勤), Shen Jie(沈杰) , et al. A PCI based complete digital frequency source for nuclear magnetic resonance spectrometer(基于PCI总线的全功能数字化频率源)[J]. Chinese J of Magn Reson(波谱学杂志),2006, 23(2): 209-215.[7] Jiang Yun(蒋赟), Jiang Yu(蒋瑜), TAO Hong-yan(陶红艳), et al. DDS frequency source in NMR(用于核磁共振的直接数字合成频率源)[J]. Chinese J of Magn Reson(波谱学杂志), 2001, 18(4): 351-355.[8] Analog Device Inc. AD9954 Data Sheet[EB/OL]. http://www.analog.com, 2007-01. |