用个人计算机做物理实验 英文版 作者: H.M.STAUDENMAIER 编著 出版时间: 1998年版 内容简介 In many fields of physics the use of on-line computers in research experiments is daily routine and without computers scientific progress is often unthinkable in our times .Computer-aided experimentation and measurement hqve become important aspects in professional life in research as well as in industry.Nevertheless these subjects are not really covered in the physics curricula of most universities and we believe it to be an important task for professors and teaching staff to familiarize students with computer applications in their own and neighbouring fields.In general it is desirable that students also learn some of the useful concepts of the nes science called "informatics"or"computer science".Successful attempts have already been made in the field of computer applications in theoretical physics and various universities now offer elaborate courses;excellent textbooks are also available.本书为英文版。 目录 Contents Part 1 Mechanics Fourier Analysis of Some Simple Periodic Signals By R. Lincke (With 17 Figures) 1.1 Apparatus 1.2 Programs 1.3 Experiments 1.3.1 Simple Harmonic Wave 1.3.2 Beats 1.3.3 Amplitude Modulation 1.3.4 Rectangles 1.4 Didactic and Pedagogical Aspects References Appendix l.A Point Mechanics by Experiments - Direct Access to Motion Data By R. Dengler and K. Luchner (With 20 Figures) 2.1 Introduction 2.2 ORVICO 2.2.1 Principle 2.2.2 Hardware 2.2.3 Software 2.3 Examples 2.3.1 Ballistic Motion 2.3.2 The Rigid Pendulum 2.3.3 Frame of Reference 2.3.4 Statistical Motion on an Air Table 2.3.5 Spheric Pendulum 2.3.6 Two Point Masses Observed 2.4 Conclusion References Part 11 Thermodynamics Application of PID Control to a Thermal Evaporation Source By B. D. Hall (With 12 Figures) 3.1 Introduction 3.2 The System to be Controlled: An Inert-Gas-Aggregation Source 3.2.1 Background 3.2.2 The Inert-Gas-Aggregation Technique 3.2.3 A Description of a Real Inert-Gas-Aggregation Source 3.3 Description of the PID Control Algorithm 3.3.1 The PID Control Algorithm 3.4 I mplementing the PID Algorithm on a Computer 3.4.1 Program Structure and the Use of Interrupts 3.5 Adjusting the PID 3.5.1 The Ziegler-Nichols' Methods 3.6 Possibilities Offered by the Leman Source 3.7 Conclusions Acknowledgements References Computer Control of the Measurement of Thermal Conductivity By B. W. James (With 17 Figures) 4.1 Thermal Conductivity 4.1.1 Measurement of Thermal Conductivity with Parallel Heat Flow 4.1.2 Measurement of Thermal Conductivity with Non-Parallel Heat Flow 4.2 Experimental Considerations 4.2.1 The Thermocouple as a Temperature Measuring Device 4.2.2. The AD595 Thermocouple Amplifier Integrated Circuit 4.2.3 Thermocouple Accuracy 4.2.4 Calibration of the Thermocouples 4.2.5 Thermocouple Selection Multiplexing Circuit 4.2.6 Multiplexor Control 4.2.7 The IEEE-488 Bus Interface Unit 4.2.8 The Control and Measurement Software 4.2.9 Discussion of the Experiment 4.3 The Computer Simulation References Appendix 4.A. Appendix 4.B Part III Solid State Physics Experiments with High-Tc Superconductivity By M. Ottenberg and B. M. Staudenmaier (With 4'Figures) 5.1 Experimental Setup 5.1.1 The Apparatus 5.1.2 Electronics 5.1.3 Computer, Interface and Software 5.2 Measurements 5.2.1 Resistance Measurement 5.2.2 Tunnel Diode Oscillator Measurernent 5.3 Results 5.3.1 Detailed Analysis of the Resistance and TDO Measurements 5.3.2 Thermodynamic and Calorimentric Results 5.3.3 Experience Within the Laboratory Course References Appendix 5.A: Electric Circuit Diagrams Appendix 5.B: Spline Fit Program SPLFIT Computer Control of Low Temperature Specific Heat Measurement By G. Keeler (With 13 Figures) 6.1 Basic Physics 6.1.1 Specific Heat 6.1.2 Low Temperature Specific Heat 6.1.3 The Debye Model for the Specific Heat 6.1.4 Specific Heat Anomalies 6.2 Experimental Setup 6.2.1 Specimen 6.2.2 Apparatus 6.2.3 Electronics 6.2.4 Microcomputer Control 6.3 Measurements and Results 6.3.1 Measurement Principles 6.3.2 Using the Computer Program 6.3.3 Typical Results 6.4 Discussion References Appendix 6.A: Circuit Diagrams Appendix 6.B: Program Listing 7. Computer-Controlled Observations of Surface Plasmon-Polaritons By A. D. BoaTdman, A. M. Moghadam and J. L. Bingham (With 14 Figures) 7.1 Introduction 7.2 A Computer-Controlled ATR Experiment 7.2.1 Prism Geometry 7.2.2 Computer Control of ATR Measurements 7.3 Comments on the Mechanics Design and the Computer Interface 7.4 Conclusion References Part IV Optics and Atomic Physics 8. Molecular Spectroscopy of 12 By V. Diemer and B. J. Jodl (With 8 Figures) 8.1 Introduction 8.2 Some Basic Physics of the Diatomic Molecule 8.3 Experimental Setup 8.3.1 The Classical Arrangement 8.3.2 Extensions: Online Use of a Computer 8.4 Measurements 8.4.1 Calibration of the System 8.4.2 Recording the Absorption Spectra 8.4.3 Recording the Fluorescence Spectra 8.4.4 Some Additional Features of the Program LAmDA 8.5 Analysis of the Spectra Using the Program JOD 8.5.1 Analysis of Absorption Spectra 8.5.2 Some Optional Exercises 8.6 Pedagogical Aspects References 9. Optical Transfer Functions By H. Pulvermacher (With 14 Figures) 9.1 Introduction 9.2 Mathematical Tools 9.2.1 Fourier Transforms 9.2.2 Theory of Transfer Functions 9.2.3 Imaging with Space Invariant Systems 9.2.4 Coherent Optics 9.2.5 Incoherent Optics 9.2.6 Exercises and Questions 9.3 Experimental Set Up 9.3.1 Preliminary Considerations 9.3.2 The Optics 9.3.3 The Test Object 9.3.4 The Electronics 9.3.5 The Adjustment 9.3.6 The Software for Experimentation and Evaluation 9.4 Evaluation 9.4.1 The Tasks 9.4.2 The General Procedure of Evaluation 9.4.3 Influence of the Detector Slit 9.4.4 Pure Defect of Focus 9.4.5 Diffraction and Defect of Focus 9.4.6 Quasi-Coherent Illumination 9.5 Didactic and Pedagogical Aspects 9.5.1 Goals 9.5.2 Interpretation of Data 9.5.3 Presentation of Data 9.5.4 Complications and Limitations of the Model 9.5.5 Applications of Fourier Optics Appendix 9.A: Diffraction by a Sector Star References Part V Nuclear Physics 10. Nuclear Spectrometry Using a PC Converted to a Multichannel Analyser By J. S. Braunsfurth (With 13 Figures) 10.1 Introduction 10.1.1 Hardware Concept 10.1.2 Target Group 10.1.3 MCA Design Alternatives 10.2 Basic Physics 10.2.1 Interaction of Electromagnetic Radiation with Matter 10.2.2 Absorption of Electromagnetic Radiation in Matter 10.2.3 Interaction of Particle Radiation with Matter 10.2.4 Bremsstrahlung 10.2.5 X-Ray Fluorescence 10.3 Detectors and Measuring Equipment 10.3.1 Scintillation Detectors for B and r Spectrometry 10.3.2 Signal Recording Equipment; the Multichannel Analyser 10.3.3 Energy Resolution of a Detector 10.3.4 Radiation Detection Efficiency 10.4 Experimental Setup 10.4.1 Hardware Setup 10.4.2 General Structure of the MCA Program; Program Kemel 10.4.3 MCA Program Menues 10.5 Experiments 10.5.1 General Considerations 10.5.2 r-Ray Absorption; Radiation Intensity Buildup by Compton Interaction 10.5.3 B Spectrum; Energy Loss of Electrons in Matter 10.6 Student Reactions References 11. Parity Violation in the Weak Interaction By E. Kankeleit, E. Jager, C. Muntz, M. D. Rhein, and P. Schwxalbach (With 7 Figures) 11.1 Introduction 11.2 Basic Physics 11.3 Experimental Setup 11.3.1 Electronics 11.3.2 Software 11.4 Measurements and Results 11.4.1 General Remarks 11.4.2 Energy Calibration 11.4.3 Background Measurement 11.4.4 Measurement of the f Polarization 11.4.5 Results and Discussion 11.5 Didactic and Pedagogical Aspects References 12. Receiving and Interpreting Orbital Satellite Data. A Computer Experiment for Educational Purposes By T. Kessler, S. M. Ruger and W.-D. Woidt (With 13 Figures) 12.1 Introduction 12.2 The UoSAT Satellites 12.3 The Receiving System 12.4 Discriminating Valid Data from Noise and Interference 12.5 The Real Time Data Acquisition System 12.6 Whole Orbit Data Analysis 12.7 Practical Experience and Further Aspects Acknowledgements (from the third author) References Subject Index
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