1 An Ultrasonic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Elements of an Ultrasonic NDE System . . . . . . . . . . . . . . . . . . 1 1.2 The Pulser-Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Ultrasonic Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.4 Ultrasonic Digitizers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.5 Ultrasonic Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.6 About the Literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1.7 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2 Linear Systems and the Fourier Transform . . . . . . . . . . . . . . . . . . 15 2.1 Linear Time-Shift Invariant Systems . . . . . . . . . . . . . . . . . . . . 15 2.2 The Fourier Transform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.3 LTI Systems and the Impulse Response Function . . . . . . . . . . . 20 2.4 An Ultrasonic NDE Measurement System as an LTI System . . . 22 2.5 About the Literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2.6 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3 Wave Motion Fundamentals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.1 Governing Equations for a Fluid . . . . . . . . . . . . . . . . . . . . . . . 33 3.1.1 Equations of Motion . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.1.2 Constitutive Equations . . . . . . . . . . . . . . . . . . . . . . . . 34 3.1.3 The Wave Equation . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3.1.4 Interface/Boundary Conditions . . . . . . . . . . . . . . . . . . 36 3.2
2021-10-16 17:02:23 9.25MB 无损检测
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Cisco.Press.802.11.Wireless.LAN.Fundamentals.eBook-kB.pdfCisco.Press无线局域网基础教程,PDF版,适合打印
2021-10-15 15:32:24 6.54MB 802.11 Cisco LAN Wireless
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Fundamentals of Digital Logic with Verilog Design 这本书把数字逻辑跟verilog结合起来讲很不错
2021-10-13 22:53:40 10.4MB 代码+附录 Fundamentals  Digital Logic
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Fundamentals.of.Computer.Graphics的第三版和第四版,全英文,带目录,清晰版
2021-10-12 11:30:57 74.52MB 计算机图形学 CG
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electromagnetic_Field_Theory_Fundamentals(1)电磁场理论基础
2021-10-10 23:38:34 8.81MB 电磁场
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由Bhag Singh Guru 与 Huseyin R. Hiziroglu 编写, 主要章节: 1.electromagnetic field theory 2.vector analysis 3.electrostatics 4.steady electric currents 5.magnetostatics 6.applications of static fields 7.time-varying electromagnetic 8.plane wave propagation 9.transmission lines 10.waveguides and cavity resonators 11.antennas 12.computer-aided analysis of electromagnetic fields Appendix A. smith chart and its applications Appendix B. computer programs for various problems Appendix C. useful mathematical tables
2021-10-09 17:37:04 9.94MB electromagnetic
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Fundamentals of Electric Circuits 电路基础 第五版英文原版 -亚历山大-带书签目录
2021-10-09 17:17:12 23.22MB 电路基础
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Fundamentals of Python First Programs(2nd) 英文无水印原版pdf 第2版 pdf所有页面使用FoxitReader、PDF-XChangeViewer、SumatraPDF和Firefox测试都可以打开 本资源转载自网络,如有侵权,请联系上传者或csdn删除
2021-10-09 15:10:16 10.62MB Python Basic
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Fundamentals of Statistical Signal Processing 第一卷和第二卷 Estimation & Detection 中文版 很有价值的一本书 美国博士课程经典教材 小闻子专业推荐 必看好书
2021-10-08 15:42:02 22.46MB Statistical Signal Processing
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Kalman Filtering 经典著作,大牛Paul Zarchan。附源代码!!!
2021-10-08 12:53:27 6.62MB Kalman Filtering Paul Zarchan
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