Visualized World of Radio Waves and Light

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著 者:Akio Kitsunezaki/Makoto Katsurai/Eiji Tanabe
出版 AET / 2015年
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スマートホンや家庭の電気器具、自動車、飛行機、宇宙の惑星探査機、などなど・・・ 現在のわれわれの生活の中のほとんど全てのものが電波すなわち電磁波を使っています。 ラジオやテレビ、そしてスマートホンのアンテナも、スマートホンなどの電子機器の中に入っている集積回路や配線、コネクタ(接続端子)なども全て電磁気の原理にしたがって動作しています。
本書の第5章以下では電磁波の伝わり方などが100以上のアニメーションで分かりやすく示されています。 第9章には電磁気学の理論が教科書とは違う書き方で説明してあります。

Smart phones, household appliances, cars, airplanes, planet explorations,… almost everything in our life today uses radio waves, which are electromagnetic waves. Antennas, integrated circuits, strip lines, wires and connectors also work under the electromagnetic principle.
Radio waves fill our universe and are already present shortly after the big bang.
The characteristics of radio waves are demonstrated in more than 100 animations most of which appear after chapter 5 .
Chapters 9 on the electromagnetic theory and chapter 10 on the computer science provide introduction and supplementary knowledge to usual textbooks.

*(A) means 'Animation(s) included in this section'


1.Radio wave : invisible key supporter of our life

1.1 How useful are the radio waves ?

1.2 Radio waves: the basic element of our Universe

1.3 Future area of radio waves and simulation calculation

2. Basics of electric and magnetic field

2.1 Electric field and magnetic field

2.2 Everything is composed of plus and minus electric charges

2.3 Electro-magnetic wave ( Radio wave )

2.4 Frequency and wavelength

2.5 Similarity of radio waves and light

2.6 Detection of radio waves and light

2.7 Summary of Chapter 2

3. Cell phone

3.1 Components in a smart phone and a cell phone

3.2 IC and memories

3.3 Antenna

3.4 Vibration motor

3.5 Battery

3.6 Network

3.7 Summary of Chapter 3

4. Useful knowledge of electro-magnetic wave

4.1 Wave and transmission

4.2 Oscillation, resonance and circular motion

4.3 Reflection, refraction, interference and diffraction(A)

4.4 Absorption, dispersion and amplification

4.5 Polarization

4.6 Electro-magnetic induction

4.7 Dielectric effect and displacement current

4.8 Black-body radiation

4.9 Display of radio waves(A)

4.10 Summary of Chapter 10

5. Applications of Radio Waves

5.1 Radio wave of a cell phone(A)

5.2 ETC(A)

5.3 GPS

5.4 Microwave oven (Electric oven)(A)

5.5 Induction heating (IH), magnetic shielding and skin depth(A)

5.6 Radar

5.7 Direction finder

5.8 Speed meter and Doppler effect

5.9 Electro-magnetic field of power line and electric blanket

5.10 Space communication

5.11 Medical use of the radio waves

5.12 Summary of Chapter 5

6. Antenna

6.1 Dipole antenna(A)

6.2 Loop antenna(A)

6.3 Reflector,guider and Yagi antenna(A)

6.4 Behavior of radio waves at various frequencies(A)

6.5 Open antenna (parabola antenna)

6.6 Patch antenna(A)

6.7 Array antenna

6.8 Antenna in a cell phone(A)

6.9 Antennas of base stations of the cell phone(A)

6.10 Antenna for radio broadcasting(A)

6.11 Antenna for circular polarization wave(A)

6.12 Antenna for TV broadcasting(A)

6.13 Other antennas and new antennae(A)

6.14 Summary of Chapter 6

7. Radio waves of high frequency electronic circuits

7.1 Radio waves in waveguides(A)

7.2 Strip line(A)

7.3 Transmission line and stub(A)

7.4 Differential strip line and mode change(A)

7.5 Electro-magnetic field on PCB(A)

7.6 Via(A)

7.7 Low pass filter of strip line(A)

7.8 Connector(A)

7.9 Radio waves of a computer casing(A)

7.10 Summary of Chapter 7

8. Recent and future area of electro magnetism

8.1 Optical fiber and optical circuits(A)

8.2 Evanescent light(A)

8.3 Optical ring resonator(A)

8.4 Terahertz wave

8.5 Summary of Chapter 8

9. Basis of electromagnetism

9.1 History of electro-magnetism research

9.2 Electric field

9.3 Magnetic field

9.4 D to E and B to H

9.5 Scalar potential and voltage

9.6 Ampere's law and Biot-Savart's law

9.7 Electro-magnetic induction

9.8 Electro-magnetic force and Lorentz's force

9.9 Applications of the electro-magnetic induction and the electro-magnetic force

9.10 DC, AC and expression of AC field

9.11 R, C, L and M

9.12 Applications of R, C and L

9.13 Impedance and admittance

9.14 div and rot

9.15 Maxwell's equations

9.16 Transmission line, matching and Smith chart

9.17 Fourier analysis

9.18 Black box and transmission function

9.19 Modulation

9.20 Summary of Chapter 9

10. Numerical analysis

10.1 Analytical method and numerical method

10.2 Various ways of numerical calculation

10.3 FIT (Finite Integration Technique)

10.4 Prospect on numerical analysis of EM waves

10.5 Summary of Chapter 10