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波导之Mathematical Analysis of Waveguides (续)
2013-5-4 07:51
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- On the previous page, the z-component of the electric vector potential for the TE mode was derived:
Using the field relationships:
We can write the allowab ...
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波导之Mathematical Analysis of Waveguides
2013-5-4 07:50
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- In this section, we will take a mathematical look at waveguides and derive some of their key properties. We will again be concerned with metal (perfectly conduc ...
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波导基础
2013-5-4 07:48
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- Waveguides are basically a device ("a guide") for transporting electromagnetic energy from one region to another. Typically, waveguides are hollow metal tubes ( ...
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电磁场基础之Magnetic Field Boundary Conditions
2013-5-4 07:47
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- Just as the electric field obeys certain rules, the magnetic field (H-field) also obeys certain rules along the boundary of two different materials. And again, ...
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电磁场基础之Electric Field Boundary Conditions
2013-5-4 07:46
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- Electric Fields obey certain rules. On this page, we'll give these rules. It is important to have a good understanding of these. The electric field distribution ...
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电磁场基础之Capacitance
2013-5-4 07:44
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- So if Inductance is associated with stored energy in the magnetic field, what represents stored energy in the Electric Field? This is the topic of Capacitance. ...
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电磁场基础之磁场The Magnetic Field
2013-5-4 07:44
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- As seen on the previous page, the Electric Field arises due to electric charges. It doesn't matter how the electric charges got there, be it a voltage source ac ...
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电磁场基础
2013-5-4 07:42
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- Electromagnetics is the study of Electric Fields and Magnetic Fields. The subject of electromagnetics seems like a very complicated subject. In college (Univers ...
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手机存在致癌风险吗?
2013-5-4 07:40
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- Introduction to Mobile Phones and Radiation
When you talk on your cell phone, the phone must be communicated wirelessly with some base station that is hundreds ...
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传输线之Open and Short Circuit Lines
2013-5-4 07:38
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- On this page, we'll look at more special cases of the transmission line.
Short-Circuited Lines
Consider a transmission line of length L, but suppose the end of ...