生物医学超声、医学超声信息处理、医学信号处理、医学超声诊断系统研制、超声检测、超声导波的产生传播及其在医学和工业无损检测(NDE&T)中的应用。

已发表论文近200篇，申报专利17项，合著3本，参编教材1部；承担基金委国家重大科研仪器研制项目等9项, 教育部及上海市各种项目近20项。担任2012香港国际声学会议骨超声分会等10多个国际会议分会主席；国际、国内会议及大学邀请报告50余次。近十年来，主要从事医学超声检测理论、信息处理、骨超声诊疗方法和技术以及仪器系统研制方面的研究工作。

Liang Bai, Kailiang Xu*, Dan Li, Dean Ta*, Lawrence H Le, Weiqi Wang. Fatigue evaluation of long cortical bone using ultrasonic guided waves. J of Biomechanics, 2018,77: 83-90.

Jiangang Chen, Jiawei Li, Xin Ding, Cai Chang, Xiaoting Wang, Dean Ta*. Automated identification and localization of the inferior vena cava using ultrasound: an animal study. Ultrasonic Imaging, 2018; 40(4): 232-244.

Ying Li, Boyi Li, Feng Xu*, Chengcheng Liu, Dean Ta*, Weiqi Wang. Ultrasonic backscatter measurements at the calcaneus: an in vivo study. Measurement, 2018; 122: 128-134.

Xingxing Chou, Feng Xu, Ying Li, Chengcheng Liu*, Dean Ta*, Lawrence Le. Variability in ultrasound backscatter induced by trabecular microstructure deterioration in cancellous bone. BioMed Res Int, 2018：4786329.

Liang Tang, Nan Li, Wenqi Jian, Yiting Kang, Bo Yin, Shuxin Sun, Jianzhong Guo, Lijun Sun*, Dean Ta*. Low-intensity pulsed ultrasound prevents muscle atrophy induced by type 1 diabetes in rats. Skeletal Muscle, 2017, 7:29, DOI 10.1186/s13395-017-0145-7.

Dan Li, Hao Yu, Feng Xu, Dapeng Liu, Jianqiu Zhang, Dean Ta. An lp -norm approach to robust probabilistic inspection of plate-like structure defects with guided waves. Smart Materials and Structures, 2017; 26(10): 104003.

Liang Tang, Jing Zhang, Xinjuan Zhao, Nan Li, Wenqi Jian, Jianzhong Guo, Lijun Sun*, Dean Ta. Low-intensity pulsed ultrasound promotes exercise-induced muscle hypertrophy. Ultrasound Med Biol, 2017, 43(7): 1411-1420.

Ying Li, Dan Liu, Kailiang Xu, Dean Ta*, Lawrence H Le, Weiqi Wang. Transverse and oblique long bone fracture evaluation by low order ultrasonic guided waves: a simulation study. BioMed Res Int, 2017：3083141.

Kailiang Xu, Jean-Gabriel Minonzio, Dean Ta, Bo Hu, Weiqi Wang, Pascal Laugier. Sparse SVD method for high-resolution extraction of the dispersion curves of ultrasonic guided waves. IEEE Tran UFFC, 2016, 63(10): 1514-1524.

Kailiang Xu, Dean Ta, Didier Cassereau, Bo Hu, Weiqi Wang, Pascal Laugier, Jean-Gabriel Minonzio. Multichannel processing for dispersion curves extraction of ultrasonic axial- transmission signals: Comparisons and case studies. J Acoust Soc Am, 2016; 140(3): 1758-1770.

Chengcheng Liu, Feng Xu, Dean Ta*, Tao Tang, Yunqi Jiang, Jian Dong, Wenping Wang, Xindang Liu, Yi Wang, Weiqi Wang. Measurement of human calcaneus in vivo using ultrasonic backscatter spectral centroid shift. J Ultrasound Med, 2016; 35(10): 2197-2208.

Xiaojun Song, Petro Moilanen, Zuomin Zhao, Dean Ta*, Jalmari Pirhonen, Ari Salmi, Edward Hæeggström, Risto Myllylä, Jussi Timonen, Weiqi Wang. Coded excitation speeds up the detection of the fundamental flexural guided wave in coated tubes. AIP Advances, 2016; 6(9): 095001.

Tao Tang, Chengcheng Liu, Feng Xu, Dean Ta*. Correlation between the combination of apparent integrated backscatter and spectral centroid shift and bone mineral density. J of Med Ultrasonics, 2016; 43(2): 167-173.

HY Zhang, J Xu, SW Ma, DA Ta. The High-frequency scattering of the S0 Lamb mode by a circular blind hole in a plate. Physics Procedia, 2015; 70: 455-458.

Chengcheng Liu, Rong Zhang, Ying Li, Feng Xu, Dean Ta*, Weiqi Wang. An ultrasonic backscatter instrument for cancellous bone evaluation in neonates. Engineering, 2015; 1(3): 336-343.

Chengcheng Liu, Tao Tang, Feng Xu, Dean Ta*, Mami Matsukawa, Bo Hu, Weiqi Wang. Study on the signal of interest selection standard for ultrasonic backscatter in cancellous bone evaluation. Ultrasound Med Biol, 2015, 41(10): 2714-2721.

Ziqiang Chen, Bing Wu, Xiao Zhai, Yushu Bai, Xiaodong Zhu, Beier Luo, Xiao Chen, Chao Li, Mingyuan Yang, Kailiang Xu, Chengcheng Liu, Chuanfeng Wang, Yingchuan Zhao, Xianzhao Wei, Kai Chen, Wu Yang, Dean Ta*, Ming Li*. Basic study for ultrasound-based navigation for pedicle screw insertion using transmission and backscattered methods. PLoS ONE, 2015; 10(4): 0122392.

Chengcheng Liu, Dean Ta*, Bo Hu, Lawrence H Le, Weiqi Wang. The analysis and compensation of cortical thickness effect on ultrasonic backscatter signals in cancellous bone. J Appl Phys, 116, 124903 (2014)

Zhenggang Zhang, Dan Liu, Mingxi Deng, Dean Ta*, Weiqi Wang. Experimental observation of cumulative second-harmonic generation of Lamb waves propagating in long bones. Ultrasound in Med & Biol, 2014, 40(7): 1660-1670.

Kailiang Xu, Dean Ta*, Bo Hu, Pascal Laugier, Weiqi Wang. Wideband dispersion reversal of Lamb waves. IEEE Tran UFFC, 2014, 61(6): 997-1005.

Yun-qi Jiang, Cheng-cheng Liu, Ruo-yu Li, Wen-Ping Wang, Hong Ding, Qing Qi*, Dean Ta*, Jian Dong*, Wei-qi Wang. Analysis of apparent integrated backscatter coefficient and backscattered spectral centroid shift in calcaneus in vivo for the ultrasonic evaluation of osteoporosis. Ultrasound Med Biol, 2014, 40(6): 1307-1317.

Huilin Zhang, Shengju Wu*, Dean Ta*, Kailiang Xu,Weiqi Wang. Coded excitation of ultrasonic guided waves in long bone fracture assessment. Ultrasonics, 2014; 54(5): 1203-1209.

Kailiang Xu, Dan Liu, Dean Ta*, Bo Hu, Weiqi Wang. Quantification of guided mode propagation in fractured long bones. Ultrasonics, 2014; 54(5): 1210-1218.

Kailiang Xu, Dean Ta*, Runxin He, Yi-Xian Qin, Weiqi Wang. Axial transmission method for long bone fracture evaluation by ultrasonic guided waves: Simulation, phantom and in-vitro experiment. Ultrasound Med Biol, 2014; 40(4): 817-827.

Chengcheng Liu, Dean Ta*, Fuminori Fujita, Takuma Hachiken, Mami Matsukawa, Katsunori Mizuno, Weiqi Wang. The relationship between ultrasonic backscatter and trabecular anisotropic microstructure in cancellous bone. J Appl Phys, 115, 064906 (2014)

Kailiang Xu, Dean Ta*, Zhongqing Su, Weiqi Wang. Transmission analysis of ultrasonic Lamb mode conversion in a plate with partial-thickness notch. Ultrasonics, 2014; 54(1): 395-401.

Jiangang Chen, Zhongqing Su, Li Cheng, Dean Ta*. Exploring local curvature effect of cortical bone for quantitative ultrasound(QUS). Structural Eng & Mech, 2013, 48(4): 501-518.

Rong Zhang, Dean Ta*, Chengcheng Liu, Chao Chen*. Feasibility of bone assessment with ultrasonic backscatter signals in neonates. Ultrasound Med Biol, 2013, 39(10): 1751-1759.

Zhenggang Zhang, Kailiang Xu, Dean Ta*, Weiqi Wang. Joint spectrogram segmentation and ridge-extraction method for separating multimodal guided waves in long bones. SCIENCE CHINA Physics, Mechanics & Astronomy. 2013; 56(7): 1317-1323.

Chengcheng Liu, Haijie Han, Dean Ta*, Weiqi Wang. Effect of selected signals of interest on ultrasonic backscattering measurement in cancellous bones. SCIENCE CHINA Physics, Mechanics & Astronomy. 2013; 56(7): 1310-1316.

Vantte Kilappa, Kailiang Xu, Petro Moilanen, Erkki Heikkola, Dean Ta, Jussi Timonen. Assessment of the fundamental flexural guided wave in cortical bone by an ultrasonic axial-transmission array transducer. Ultrasound Med Biol, 2013, 39(7): 1223-1232.

Xiaojun Song, Dean Ta*, Weiqi Wang. A base sequence modulated Golay code improves the excitation and measurement of ultrasonic guided waves in long bones. IEEE Trans UFFC, 2012;59(11): 2580-2583.

Kailiang Xu, Dean Ta*, Petro Moilanen, Weiqi Wang. Mode Separation of Lamb Waves Based on Dispersion Compensation Method. J Acoust Soc Am, 2012; 131(4): 2714-2722.

Xiaojun Song, Dean Ta*, Weiqi Wang. Analysis of superimposed ultrasonic guided waves in long bones by the joint approximate diagonalization of eigen-matrices algorithm. Ultrasound Med Biol, 2011, 37(10): 1704-1713.

Chan Zhang, Lawrence Le, Rui Zheng, Dean Ta, Edmond Lou. Measurements of ultrasonic phase velocities and attenuation of slow waves in cellular aluminum foams as cancellous bone-mimicking phantoms. J Acoust Soc Am, 2011; 129(5): 3317-3326.

Kailiang Xu, Dean Ta, Weiqi Wang. Multiridge-based analysis for separating lndividual modes from multimodal guided wave signals in long bones. IEEE Trans UFFC, 2010, 57(11): 2480-2490.

Lawrence H. Le, Chan Zhang, Dean Ta, Edmond Lou. Measurement of tortuosity in aluminum foams using airborne ultrasound. Ultrasonics, 2010; 50(1): 1-5.

上海市重点科技攻关项目“松质骨状况的超声诊断技术及系统研究”.

国家自然科学基金项目“超声柱面导波动态监测与评价骨折愈合过程的研究”.

国家自然科学基金项目“超声导波评价长骨状况的研究”.

国家自然科学基金项目“超声评价松质骨状况的参量及方法研究”.

国家自然科学基金委国际合作交流项目“时频方法分析长骨中超声导波信号的研究”.

上海市青年科技启明星计划项目“评价长骨皮质骨状况的超声导波技术研究”.

上海市自然科学基金项目“松质骨组织的超声成像方法研究”.

2019年入选国家“万人计划”；

2019年入选上海市优秀学术带头人计划；

2017年入选科技部中青年科技创新领军人才；

2016年获教育部科技进步二等奖（排名第一）；

2015年获国家杰出青年科学基金；

2013年获得第25届上海市优秀发明选拔赛优秀发明金奖（排名第一）；

2013年获得上海市声学学会首届魏墨盦声学奖；

2010年度教育部新世纪优秀人才；

2007年入选上海市青年科技启明星人才；

2006年入选上海高校选拔培养优秀青年教师计划；

2006年获复旦大学优秀博士后奖；

2006年入选复旦大学世纪之星综合培养计划。

中国声学学会副理事长、医工整合联盟副理事长、中国声学学会生物医学超声工程分会主任委员、中国生物医学工程学会医学超声分会副主任委员、中国医学装备协会超声装备技术分会治疗超声专委员副主任委员，中国科协第九次全国代表大会代表；国际骨超声学会理事；《生物医学工程与临床》编委；《声学技术》编委；Academic Editor《BioMed Research International》等。