maxwell equations and electromagnetic waves
Find a book on radio, electromagnetic waves
There were many books on radio and electromagnetic waves.
1 The Principles of Radio: This is a classic introductory book on radio, written by John F Kurose, covering everything from radio communications and broadcasting.
2. Radio Engineering: This is a book written by James H Xiangsi on the principles of radio communication. It covers all communication principles and technologies, from regulation to spread spectrum.
Waves and wireless communication: This is a book on electromagnetic waves and wireless communication written by David F Anstis, covering everything from wireless communication principles to wireless sensor networks and 5G technology.
Modern Radio Engineering: This is a book on radio communication principles written by John R O Simmon, covering all technologies from radio frequency communication to digital communication, including Wi-Fi, Bluetooth, and satellite communication.
The above books are all classic radio and electromagnetic books. You can choose one or more of them according to your interests and needs.
1 answer
2024-09-01 20:59
How are electromagnetic waves depicted in comic strips?
Electromagnetic waves in comic strips can be depicted in various creative ways. Sometimes they're shown as auras around objects or characters affected by them. Or they could be represented as a sort of force field with a distinct visual style to make them stand out.
1 answer
2025-11-13 10:13
How are electromagnetic waves depicted in comic strips?
In comic strips, electromagnetic waves can be visualized in various ways. Sometimes they're depicted as colorful rays or as a sort of energy aura around objects. It depends on the style and context of the comic.
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2025-12-11 03:13
Electromagnetic waves are not reflected on the surface of the black body
Blackbodies were idealized objects that could absorb all external electromagnetic radiation without any reflection or transmission, so electromagnetic waves would not be reflected on the surface of blackbodies.
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2026-10-03 13:07
Electromagnetic waves are superimposed and reflected, and the information transmission method is
In the process of electromagnetic wave transmission, reflection was one of the transmission mechanisms. When electromagnetic waves encounter objects that are much larger than their wave-length (such as the ground, the surface of buildings, etc.), they will reflect. The electromagnetic waves of different paths (such as direct waves and reflected waves) would produce a multi-path effect when they overlapped at the receiving end. The multi-path effect referred to the phenomenon that the same signal of different paths would increase or decrease the energy of the received signal when overlapped at the receiving end. The combined effect of multiple transmission methods, such as superimposed reflection, allowed electromagnetic waves to carry information for transmission. For example, in terrestrial wireless communication, since there was usually no direct line-of-sight path between the transmitter and the receiver, reflection became one of the important ways of information transmission. The overlapping of different reflected waves and direct waves affected the information received by the receiver. At the same time, there are many transmission paths with different delays and losses from the transmitter to the receiver.(It can be direct, reflected, or refracted), the superimposing of these signals from different paths will have an impact on the transmission of information, such as increasing or weakening the signal energy, and bringing about time dispersion (the direct signal and other multi-path signals arriving at the receiver will interfere with each other due to the time difference of spatial transmission). Information is transmitted in this complicated electromagnetic wave superimposing reflection and other transmission processes.
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1 answer
2026-08-23 20:11
What kind of electromagnetic waves are prone to a refraction reaction?
Electromagnetic waves with longer wave-lengths, such as radio waves and infrared rays, were prone to interference and refraction.
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2026-10-08 16:50
How can a comic strip effectively present the theory of electromagnetic waves?
To effectively present the theory, the comic might include real-life applications of electromagnetic waves, like in communication or medical imaging. It can have step-by-step explanations with visual aids to break down complex ideas.
1 answer
2025-11-21 00:14
Is there a better novel than The Ordered Electromagnetic Waves Suddenly Sent From the Deep Universe?
0 answer
2025-01-22 13:52
complex equations
There were many complicated forms of equations. For example, partial differential equations were equations that contained many unknown variables and their derivative. In reality, the change of an object was affected by many factors, so many practical situations belonged to the field of partial differential equations. However, it was often difficult to find an accurate solution for such equations. Appositional methods were often used to find an approximate solution that met the actual needs. There was also the Schrodinger equation, which was a basic equation in quantum mechanics. It was a second-order partial differential equation that combined the concept of matter waves with the wave equation. It could describe the motion of microscopic particles. Every microscopic system had a corresponding Schrodinger equation. By solving the equation, one could obtain the specific form of the wave function and the corresponding energy, thus understanding the properties of the microscopic system. In addition, higher-order equations were also relatively complicated. In junior high school mathematics, higher-order equations could be transformed into one-dimensional equations by using the overall idea or the substitution method.
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1 answer
2026-07-02 13:31
nontrivial equations
In matrix algebra, there was the concept of non-trivial solutions, but the "non-trivial equations" mentioned here. According to the concept of non-trivial solution, a non-trivial equation system might refer to a system of equations with a special solution (non-trivial solution), which corresponded to a trivial solution (usually a simple solution such as zero solution). However, based on the information provided so far, it was impossible to accurately define a non-trivial equation system. From the perspective of the non-uniform linear equations in linear algebra, it was a linear equation system with non-zero constant terms, which was different from ordinary (which may correspond to a uniform linear equation system with zero constant terms). However, this was only a speculation and could not accurately give the definition of a non-trivial equation system and other relevant information.
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1 answer
2026-07-10 19:38
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