Application of super-heterodyne phase-sensitive detector in electromagnetic acoustic testing

[1] 王卓,陈鹏. 超声的电磁脉冲激发方式的探讨[J]. 声学技术,2008,20(4):529-532 Wang Zhuo,Chen Peng. Discussion on excitation of ultrasound by electromagnetic pulse[J]. Technical Acoustics,2008,20(4):529-532(in Chinese) [2] Boonsang S,Dewhurst R J.A sensitive electromagnetic acoustic transducer for picometer-scale ultrasonic displacement measurements[J].Sensors and Actuators A:Physical,2006,127(2):345-354 [3] 雷华明,阙沛文.电磁超声换能器的阻抗测试方法研究[J].仪表技术与传感器,2004(1):15-16 Lei Huaming,Que Peiwen.Electromagnetic ultrasonic transducer impedance testing method[J].Instrument Technique and Sensor,2004(1):15-16(in Chinese) [4] 郝宽胜,黄松岭,赵伟,等.电磁超声换能器新型线圈阻抗及匹配电容的计算[J].高技术通讯,2010,20(8):845-849 Hao Kuansheng,Huang Songling,Zhao Wei,et al.Calculation of coil impedance and matching capacitance for EMAT[J].Chinese High Technology Letters,2010,20(8):845-849(in Chinese) [5] 朱红秀,吴淼,刘卓然,等.电磁超声传感器(EMAT)最佳磁感应强度的研究[J].煤炭学报,2005,30(4):525-528 Zhu Hongxiu,Wu Miao,Liu Zhuoran,et al.Study on optimal magnetic induction intensity of electromagnetic acoustic transducer (EMAT)[J].Journal of China Coal Society,2005,30(4):525-528(in Chinese) [6] Gan T H,Ho K S,Billson D R.Application of pulse compression signal processing techniques to electromagnetic acoustic transducer for noncontact thickness measurements and imaging[J].Ameriacn Institute of Physics,2005,76(5):054902(1-8) [7] Matz V,mídr,Kreidl M,et al.Comparison of de-noising methods used for EMAT signals .Kirchwald:E-Journal of NDT,1996 .http://www.ndt.net/article/ecndt2006/doc/Tu.1.3.5.pdf [8] Petersen G L,Chick B B,Fortunko C M,et al.Resonance techniques and apparatus for elastic-wave velocity determination in thin metal plates[J].Review of Scientific Instruments,2009,65 (1):192-198 [9] Hirotsugu O,Goh S,Masahiko H,et al.Anisotropic elastic-stiffness coefficients of an amorphous Ni-P film[J].Journal of Applied Physics,2009,91(8):4857-4862 [10] 刘俊,张斌珍.微弱信号检测技术[M].北京:电子工业出版社,2005:87-88 Liu Jun,Zhang Binzhen.Weak signal testing technique[M].Beijing:House of Electronics Industry Publishing,2005:87-88(in Chinese) [11] 王学伟,王春歆,张玉叶.点目标图像信噪比计算方法[J].电光与控制,2010(1):18-21 Wang Xuewei,Wang Chunxin,Zhang Yuye.Research on SNR of point target image[J].Electronics Optics ＆ Control,2010(1):18-21(in Chinese)