电磁场与电磁波课程简介(英文版)
Course code: 131300112
Title: Electromagnetic Field and Electromagnetic wave
Credit rating: 3.5
Time: Semester Six
Brief description:
This course makes students master the theorem and the physical meaning of the Maxwell equations and mathematical expressions. It includes the electromagnetic field and electromagnetic wave. Part one is the electromagnetic field. It makes students to learn using the method of vector analysis on the basis of electromagnetism course to describe the essential physical concept of electrostatic field and constant magnetic field, and giving the basic law of electromagnetic field based on summarizing the basic law of experiment, and studying the method to solve problems in the static field. Electromagnetic wave part mainly introduces about the propagation rules of electromagnetic waves in a variety of media and the basic theory of antenna.
Syllabus
1.Vector analysis
Vector algebra, three kinds of commonly used orthogonal coordinate system, the gradient of a scalar field, vector field flux and the divergence of the vector field of circulation and curl, irrotational field and solenoidal field, Laplace operation with green's theorem.
2.The basic rule of electromagnetic field
Charge conservation law, the basic rule of electrostatic field in vacuum, the basic law of constant magnetic field in vacuum, electromagnetic properties of medium, the law of electromagnetic induction and the displacement current, Maxwell's equations, boundary conditions of electromagnetic field.
3. Static electromagnetic field and its solution of boundary value problems
Electrostatic field analysis, a conductive medium constant electric field analysis, constant magnetic field analysis, the boundary value problem of
a static field and uniqueness theorem of solution, image method, separation variable method, finite difference method.
4. Time-varying electromagnetic field
Wave equation, the electromagnetic field of a function, the law of conservation of electromagnetic energy, the uniqueness
theorem ,time-harmonic electromagnetic field
5. Uniform plane wave propagation in unbounded space
Ideal medium uniform plane wave, polarization of electromagnetic wave, Uniform plane wave propagation in conductive medium, Uniform plane wave propagation in anisotropic medium
6. Uniform plane wave reflection and transmission
The uniform plane wave vertical incidence on the plane, the uniform plane wave vertical incidence in multilayer dielectric plane, the uniform plane wave oblique incidence in the ideal dielectric plane, the uniform plane wave oblique incidence in the ideal conductor plane
7. Guided electromagnetic wave
Introduction to guide line of electromagnetic wave, rectangular waveguide, cylindrical waveguide, coaxial waveguide, and resonant cavity
8. The electromagnetic radiation
Retarded potential, Electric dipole radiation
Recommended Textbooks
Xie Chu-fang and Rao Ke-jin, Electromagnetic Field and Electromagnetic Waves, Higher Education Press, 2006。
电磁场与电磁波教学大纲(清华09)解读
电磁场与电磁波教学大纲一、课程名称1、中文名称：电磁场与电磁波2、英文名称：Electromagnetic Field Theory二、课程简介本课程在电磁学的基础上，使用矢量分析和数学物理方法等数学工具，对电磁场与波作深入分析，使学生掌握电磁现象的基本规律、概念及方法，为微波技术、天线等后继专业课程打下基础。
本课程分两大部分。
第一部分对静电场、恒定电磁场的基本规律措助矢量分析作更深入的研究和系统的总结，然后重点讲解稳态场的种种解法；第二部分内容为时变电磁场，首先讲解宏观电磁场的普遍规律—Maxwell方程及含义，电磁场的位函数表示，波动方程以及波印亭定理，然后讲解平面波的传播、极化、反射和折射，讲解导行电磁波，最后讨论电磁波辐射及其一些应用。
三、适用专业物理学、电子工程、通信工程、其他相关专业四、本门课程在教学计划中的地位、作用和任务本课程是物理学、电子工程、通信工程、其他相关专业大学本科生一门重要的专业基础理论课。
要求学生掌握电磁场与电磁波的基本概念、基本理论及主要分析计算方法。
其目的是为后续课程打下必要的理论基础，也为进一步研究电磁理论提供必要的理论准备五、课程内容和教学要求1、经典电磁理论及其数学基础教学要求：了解电磁场的基本物理量和实验定律，掌握数学基础知识，如：标量和矢量、标量场的梯度、矢量场的散度和旋度、矢量的恒等式、亥姆霍兹定理、坐标系、贝塞尔函数等。
2、静电场、恒定电场和恒定磁场教学要求：掌握静电场的基本方程、电位和电位方程、静电场的边界条件等内容，了解恒定电场，掌握恒定磁场的基本方程、矢量磁位、恒定磁场的边界条件、载流回路的电感和恒定磁场能量。
3、静态场的解法教学要求：了解静态场边值问题及唯一性定理，掌握直接积分法、在直角坐标系中的分离变量法、在圆柱坐标系和球坐标系的分离变量法、镜像法、静态场的数值解法。
4、时变电磁场教学要求：了解麦克斯韦的两个假设，掌握麦克斯韦方程组与波动方程、时变电磁场的边界条件，掌握时间简谐场，了解时变电磁场的能量和能量流，了解动态矢量位和标量位。
电磁场与电磁波英文教学课件-Ch4 Steady Electric Currents
Electric current, Electromotive force Principle of current continuity, Energy dissipation.
1. Current & Current Density 2. Electromotive Force 3. Principle of Current Continuity 4. Boundary Conditions for Steady Electric Currents 5. Energy Dissipation in Steady Electric Current Fields 6. Electrostatic Simulation
when the impressed electric field is equal but opposite to the electric field produced by the charges on the plates, and the charges will be at rest.
If the conducting medium is connected, the positive charges on the positive electric plate will be moved to the negative electric plate through the conducting medium, while the negative charges on the negative electric plate to the positive electric plate. In this way, the charges on the plates will be decreased, and E < E' . The charges in the source will be moved againthe conductivity, and its unit is S/m. A large
《电磁场与电磁波》课程教学大纲
《电磁场与电磁波》课程教学大纲英文名称：Electromagnetic Field and Waves一、课程说明1．课程性质学科基础选修2．课程的目的和任务电子类各专业主要课程的核心内容都是电磁现象在特定范围、条件下的体现，分析电磁现象的定性过程和定量方法是电类各专业学生掌握专业知识和技能的基础之一，因而电磁场与电磁波课程所涉及的内容，是合格的电子类专业本科学生所应具备的知识结构的必要组成部分。
不仅如此，电磁场理论又是一些交叉领域的学科生长点和新兴边缘学科发展的基础。
学好电磁场理论将增强学生的适应能力和创造能力。
因此本课程的作用不仅是为进一步学习准备必要的基础，更为深远的是关系到所培养学生的基本素质，因此“电磁场与电磁波”课程在教学计划中应占有重要地位，它是电子类专业本科学生的一门技术基础课。
3．适应专业：电子信息工程4．学时与学分：54（理论教学） 3学分5．先修课程：大学物理、高等数学与工程数学(包括矢量分析,场论和数理方程等) 6．推荐教材或参考书目：（1）王家礼，朱满座等编，《电磁场与电磁波》，西安电子科技大学出版社，2000 （2）谢处方、饶克谨编，《电磁场与电磁波》（第三版），高等教育出版社，1999 7．主要教学方法与手段以课堂讲授为主要教学方法，每章做一次课外作业。
8．考核方式：本课程通过两方面进行考核：作业：10﹪；闭卷考试：90﹪。
9．课外自学要求作业6次，批3次，抽查3次。
二、教学基本要求和能力培养要求1．通过本课程的各个教学环节，达到以下基本要求：（1）静电场理解电场强度与电位的定义，理解电场强度的线积分与路径无关的性质以及电场强度与电位之间的关系。
了解媒质的线性,均匀和各向同性的含义，了解电偶极子，电偶极距的概念，了解极化电荷，极化强度的定义。
理解电位移的定义以及它和电场强度，极化强度之间的关系，理解并能熟练应用高斯定律。
掌握静电场的基本方程，掌握电位所满足的微分方程(泊松方程和拉普拉斯方程)，以及电场强度，电位移和电位在不同媒质分界面上的衔接条件，能列出简单场的边值问题,并能掌握一维边值问题的求解方法。
电磁场与电磁波英文版
1. Directional Derivative & Gradient
The directional derivative of a scalar at a point indicates the spatial rate of change of the scalar at the point in a certain direction. l
Δl
P
P
of scalar l P at point P in the direction of l is defined as
The directional derivative
l
lim
P
( P) ( P)
Δl
Δl 0
The gradient is a vector. The magnitude幅度 of the gradient of a scalar field at a point is the maximum directional derivative at the point, and its direction is that in which the directional derivative will
be maximum.
In rectangular coordinate system直角坐标系, the gradient of a scalar field can be expressed as
grad e x
ey ez x y z
Where “grad” is the observation of the word “gradient”. In rectangular coordinate system, the operator算符 is denoted as
电磁场与电磁波英文版第二版教学设计
Electromagnetic Fields and Waves, Second EditionTeaching DesignIntroductionThis teaching design is intended for a university-level course on electromagnetic fields and waves, using the second edition of the textbook Electromagnetic Fields and Waves by Lorrn and Corson. The course is med at students majoring in physics and engineering.Course Objectives1.Understand the principles and laws of electromagnetism.2.Develop the ability to calculate electric and magneticfields in simple cases.3.Understand the propagation of electromagnetic waves in freespace and in various media.4.Develop the ability to analyze electromagnetic wave behaviorin different materials and structures.5.Apply the principles of electromagnetic fields and waves topractical problems in physics and engineering.Course OutlineWeek 1-2: Introduction to Electromagnetism•Electric charge and Coulomb’s law•Electric field and Gauss’s law•Electric potential and electric potential energy•Conductors, insulators, and dielectrics•Capacitance and electric energy storageWeek 3-4: Magnetic Fields and Forces•Magnetic field and Ampere’s law•Magnetism and magnetic materials•Magnetic forces on charged particles•Magnetic forces on current-carrying wires and loops•Magnetic energy and inductanceWeek 5-6: Time-Varying Fields and Maxwell’s Equations•Electromagnetic induction and Faraday’s law•Lenz’s law and electromagnetic forces•Maxwell’s equations and electromagnetic waves•Electromagnetic wave solutions and polarization•Reflection, refraction, and standing wavesWeek 7-8: Waveguides and Transmission Lines•Waveguides and resonators•Transmission lines and impedance•Smith charts and matching networks•Radiation and antennas•Applications to wireless communicationsTeaching MethodologyThe course will consist of lectures, problem sets, and laboratory experiments. Lectures will cover the fundamental principles and concepts of electromagnetic fields and waves, and will be supplemented by numerical examples and demonstrations. Problem sets will providestudents with opportunities to develop their problem-solving skills and gn deeper insights into concepts. Laboratory experiments will allow students to apply their theoretical knowledge to real-world situations and gn practical experience with electromagnetic equipment and measurement techniques.AssessmentAssessment will be based on the following criteria:•Short quizzes on lecture topics (10%)•Problem sets on course content (30%)•Laboratory reports on experiment results (30%)•Midterm exam on course material (15%)•Final exam on course material (15%)The grading scale will be based on the following scheme:•A: 90-100%•B: 80-89%•C: 70-79%•D: 60-69%•F: below 60%ConclusionThis teaching design provides an overview of the topics, objectives, and assessment for a course on electromagnetic fields and waves, using the second edition of the textbook Electromagnetic Fields and Waves by Lorrn and Corson. The course will cover the fundamental principles and laws of electromagnetism, as well as the propagation and behavior ofelectromagnetic waves in various media and structures. The course will use a combination of lectures, problem sets, and laboratory experiments to enhance students’ understanding and mastery of the subject matter.。
电磁场与电磁波英文教学课件-Ch
A loop coil with N turns the magnetic flux linkage with the current
is = N , and the inductance of the loop coil with N turns is
z
L N
II
l1
I1
l2
I2 Suppose we have two loop currents,
S
(
E)
B t
dS
0
Since the equation holds for any area S, the integrand must be
zero, so that
E B t
E B t
which is called the differential form of law of electromagnetic induction, and it means that the negative time rate of change of the magnetic flux density at a point is equal to the curl of the timevariable electric field intensity at that point.
flux linkage with the current I, and it is denoted as . The ratio of
to I is denoted by L, hence L
I
It is called the inductance of the circuit, with the unit henry (H), and the inductance can be also considered as the magnetic flux linkage per unit current.
电磁场与电磁波课程教学大纲
《电磁场与电磁波》课程教学大纲一、课程基本信息课程代码：课程名称：电磁场与电磁波英文名称：Electromagnetic Fields and Electromagnetic Waves课程类别：专业基础课学时：63学分：3适用对象: 电子信息专业考核方式：考试先修课程：大学物理、高等数学与工程数学(包括矢量分析,场论和数理方程等)二、课程简介电磁场与电磁波是通信技术的理论基础，是电子信息专业本科学生的知识结构中重要组成部分。
本课程使学生掌握电磁场的有关定理、定律、麦克斯韦方程等的物理意义及数学表达式。
使学生熟悉一些重要的电磁场问题的数学模型（如波动方程、拉氏方程等）的建立过程以及分析方法。
培养学生正确的思维方法和分析问题的能力，使学生学会用"场"的观点去观察、分析和计算一些简单、典型的场的问题。
为后续课程打下坚实的理论基础。
Electromagnetic Field and Electromagnetic Wave is the theoretical foundation of communication technology, it is one of the most important components of the knowledge structerue for undergraduate students who major in information and electronic. Electromagnetic Field and Electromagnetic Wave make students grasp the theorem and the physical meaning of the Maxwell equations and mathematical expressions. It also make students grasp building method and analyzing method of some important mathematical model (such as wave equation,Laplace equation). This course trains students on the proper ways of thinking and ability to analyze issues, It also provides a solid theoretical foundation for following courses.三、课程性质与教学目的一切电现象，都会产生电磁场，而电磁波的辐射与传播规律，更是一切无线电活动的基础。
《电磁场与电磁波》教学大纲
《电磁场与电磁波》教学大纲一、课程基本信息1、课程代码：181501；2、课程名称（中/英文）：电磁场与电磁波/ Electromagnetic Fields and Waves ；3、学时/学分：54/3；4 、先修课程：高等数学、大学物理、复变函数与数理方程；5、面向对象：通信工程、电子信息工程、电子信息科学与技术本科生；6、开课院（系）：信息科学与技术学院；7、教材、教学参考书：教材：《工程电磁场与电磁波》，丁君主编高等教育出版社，2005年7月出版；教学参考书：《电磁场与电磁波》（第三版），谢处方编，高等教育出版社，1999年；《电磁场与电磁波》（第二版），周克定译，机械工业出版社，2006年。
二、课程性质和任务《电磁场与电磁波》是电子信息和通信等电子类专业的一门重要的必修专业基础课。
该课程的学习是后续课程《微波技术与天线》、《高等电磁理论》学习的基础。
通过该课程的学习，使学生对宏观电磁场与电磁波的基本概念和规律有深入完整的理解，掌握麦克斯韦方程组的含义及其应用，了解媒质的电磁特性及电磁边界条件，学会定量计算简单电磁场和电磁波问题的基本方法，具备对简单工程电磁问题的分析能力。
三、教学内容和基本要求（一）矢量的概念及运算1. 理解矢量的概念及表示方法；2. 掌握矢量基本运算，矢量的加法、减法、标量积、矢量积；3．掌握标量场的梯度、矢量场的散度、矢量场的旋度概念及运算；4. 理解矢量微分元并会写出其正确的表达式；5．了解正交坐标系及矢量在不同坐标系中的变换；6．了解重要的场论公式。
（二）电磁学基本理论1．理解并计算电场和磁场的基本物理量；2．理解位移电流的概念，并会用安培环路定律解题；3．理解并应用法拉第电磁感应定律；4．应用电流连续性方程解题；5．深刻领会并熟练掌握应用高斯定律求解电磁问题；6．深刻领会麦克斯韦方程组的含义，并熟练应用其求解电磁问题。
（三）媒质的电磁性质和边界条件1．了解电场中的导体的特性和电导率，理解导体中的传导电流与恒定电场的关系；2．了解电介质的极化现象和极化强度，理解电介质中电位移矢量和电场强度的关系；3．了解磁介质的磁化现象和磁化强度，理解磁介质中磁感应强度和磁场强度的关系；4．深刻领会并熟练掌握媒质中的麦克斯韦方程组；5．掌握电磁场的边界条件，并熟练应用其求解电磁问题。
电磁场与电磁波课程简介（英文版）
电磁场与电磁波课程简介（英文版）Course code: 131300112Title: Electromagnetic Field and Electromagnetic waveCredit rating: 3.5Time: Semester SixBrief description:This course makes students master the theorem and the physical meaning of the Maxwell equations and mathematical expressions. It includes the electromagnetic field and electromagnetic wave. Part one is the electromagnetic field. It makes students to learn using the method of vector analysis on the basis of electromagnetism course to describe the essential physical concept of electrostatic field and constant magnetic field, and giving the basic law of electromagnetic field based on summarizing the basic law of experiment, and studying the method to solve problems in the static field. Electromagnetic wave part mainly introduces about the propagation rules of electromagnetic waves in a variety of media and the basic theory of antenna.Syllabus1.Vector analysisVector algebra, three kinds of commonly used orthogonal coordinate system, the gradient of a scalar field, vector field flux and the divergence of the vector field of circulation and curl, irrotational field and solenoidal field, Laplace operation with green's theorem.2.The basic rule of electromagnetic fieldCharge conservation law, the basic rule of electrostatic field in vacuum, the basic law of constant magnetic field in vacuum,electromagnetic properties of medium, the law of electromagnetic induction and the displacement current, Maxwell's equations, boundary conditions of electromagnetic field.3. Static electromagnetic field and its solution of boundary value problemsElectrostatic field analysis, a conductive medium constant electric field analysis, constant magnetic field analysis, the boundary value problem ofa static field and uniqueness theorem of solution, image method, separation variable method, finite difference method.4. Time-varying electromagnetic fieldWave equation, the electromagnetic field of a function, the law of conservation of electromagnetic energy, the uniqueness theorem ,time-harmonic electromagnetic field5. Uniform plane wave propagation in unbounded spaceIdeal medium uniform plane wave, polarization of electromagnetic wave, Uniform plane wave propagation in conductive medium, Uniform plane wave propagation in anisotropic medium6. Uniform plane wave reflection and transmissionThe uniform plane wave vertical incidence on the plane, the uniform plane wave vertical incidence in multilayer dielectric plane, the uniform plane wave oblique incidence in the ideal dielectric plane, the uniform plane wave oblique incidence in the ideal conductor plane7. Guided electromagnetic waveIntroduction to guide line of electromagnetic wave, rectangular waveguide, cylindrical waveguide, coaxial waveguide, and resonant cavity8. The electromagnetic radiationRetarded potential, Electric dipole radiationRecommended TextbooksXie Chu-fang and Rao Ke-jin, Electromagnetic Field and Electromagnetic Waves, Higher Education Press, 2006。
电磁场与电磁波(英文版)ppt课件
Electrostatic field and steady magnetic field are independent of each other,
and may be investigated separately.静电场与恒定磁场相互无关、彼此独立，
可以分别进行研究
5
Entity 物质属性
Electromagnetic Fields and Waves
Rugui Yang
Higher Education Press Higher Education Electronic and
Video Press
1
The physical understanding is emphasized instead of the mathematical derivation.
The magnetic fields unchanging with time are called steady magnetic
fields. 不随时间变化的磁场称为恒定磁场。
4
Electromagnetic Wave电磁波
If the charge and the current vary with time, the electric field and magnetic field they produce will be functions of time.如果电荷及电流均随时间改变，它 们产生的电场及磁场也是随时变化的
Time-varying electric field and magnetic field must co-exist and have definite relation to each other, leading to a time-varying electromagnetic field. 时变的电场与时变的磁场可以相互转化，两者不可分割，它们构成统一的时 变电磁场