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# 电气工程代写|射频电路代写RF Circuit代考|ELEC5403 Introduction to Microwave Components

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## 电气工程代写|射频电路代写RF Circuit代考|Introduction to Microwave Components

Microwave components are the building blocks for microwave assemblies, modules, subsystems, and ultimately systems. Passive components manipulate electrical signals without adding energy. Active components do the same, but they draw on energy from an external source and can thus potentially add energy (such as amplification) to a signal.
Fundamental Equations
The most fundamental behaviors of electromagnetics are described by Maxwell’s equations. Although compact and perhaps deceptively “simple,” they are extremely powerful in what they represent. A deep understanding of their usage is not necessary to be a good microwave designer, but they are referenced throughout the book [2]. A description of each follows.
Gauss’ Law for Electricity
An electric charge produces an electric field, and the flux of that field passing through a defined closed surface is proportional to the total charge within that surface, or:
$$\oint_S \vec{E} \circ \hat{n} d a=\frac{q_{e n c}}{\varepsilon_o}$$
where $\vec{E}$ is the electric field (Newtons/Coulomb), “ôn” indicates the portion of the field perpendicular to the surface, $d a$ is an increment of surface area $\left(\mathrm{m}^2\right)$, $q_{e n c}$ is the amount of charge within the surface (Coulombs, C), and $\varepsilon_o$ is the free-space permittivity.

## 电气工程代写|射频电路代写RF Circuit代考|Essential Components

Just as craftspeople must be familiar with their tools, microwave designers must understand the diversity of components at their disposal. Table $1.2$ lists the most common RF components in alphabetical order with a brief explanation. Design strategies for most of these, or portions thereof, are discussed in this book.

## 电气工程代写射频电路代写RF Circuit代考|Introduction to Microwave Components

$$\oint_S \vec{E} \circ \hat{n} d a=\frac{q_{e n c}}{\varepsilon_o}$$
C)，和 $\varepsilon_{0 \text { 是目由空间介电常数。 }}$

## MATLAB代写

MATLAB 是一种用于技术计算的高性能语言。它将计算、可视化和编程集成在一个易于使用的环境中，其中问题和解决方案以熟悉的数学符号表示。典型用途包括：数学和计算算法开发建模、仿真和原型制作数据分析、探索和可视化科学和工程图形应用程序开发，包括图形用户界面构建MATLAB 是一个交互式系统，其基本数据元素是一个不需要维度的数组。这使您可以解决许多技术计算问题，尤其是那些具有矩阵和向量公式的问题，而只需用 C 或 Fortran 等标量非交互式语言编写程序所需的时间的一小部分。MATLAB 名称代表矩阵实验室。MATLAB 最初的编写目的是提供对由 LINPACK 和 EISPACK 项目开发的矩阵软件的轻松访问，这两个项目共同代表了矩阵计算软件的最新技术。MATLAB 经过多年的发展，得到了许多用户的投入。在大学环境中，它是数学、工程和科学入门和高级课程的标准教学工具。在工业领域，MATLAB 是高效研究、开发和分析的首选工具。MATLAB 具有一系列称为工具箱的特定于应用程序的解决方案。对于大多数 MATLAB 用户来说非常重要，工具箱允许您学习应用专业技术。工具箱是 MATLAB 函数（M 文件）的综合集合，可扩展 MATLAB 环境以解决特定类别的问题。可用工具箱的领域包括信号处理、控制系统、神经网络、模糊逻辑、小波、仿真等。