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天线概念之Bazooka Baluns
2013-5-4 08:15
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- The principle of operation of a Bazooka Balun is presented on this page. This balun adds a short-circuited sleeve around the coaxial cable, which somewhat resem ...
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天线概念之Multipath
2013-5-4 08:14
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- Multipath is the arrival of a transmitted signal at a receive antenna from multiple paths due to reflections. The reflections can occur from the ground, trees, ...
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天线概念之Baluns
2013-5-4 08:13
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- A Balun is used to "balance" unbalanced systems - i.e. those where power flows from an unbalanced line to a balanced line (hence, balun derives from balance to ...
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天线概念之Maxwell's Equations
2013-5-4 08:11
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- Maxwell's Equations are a set of four vector-differential equations that govern all of electromagnetics (except at the quantum level, in which case we as antenn ...
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天线概念之Axial Ratio
2013-5-4 08:11
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- The axial ratio is the ratio of orthogonal components of an E-field. A circularly polarized field is made up of two orthogonal E-field components of equal ampli ...
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天线概念之Magnetic Flux Density (B-Field)
2013-5-4 08:10
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- The Magnetic Flux Density (or B-field) is related to the magnetic field (H) by the permeability (written as of the medium where the fields are observed:
The ...
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天线概念之Antenna Factor
2013-5-4 08:09
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- The Antenna Factor is used by RF or EMC antenna engineers to describe the required electric field strength that produces 1 Volt at the terminals of an antenna. ...
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天线工程师面试问题Antenna Engineer Interview Questions
2013-5-4 08:04
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- Do you have a big job interview coming up? Are you curious about what type of questions you could expect for an antenna engineer interview? On this page, I'll h ...
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天线职业介绍Careers in Antenna Engineering
2013-5-4 08:03
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- Supposing that you like the field of antennas and electromagnetics so much that you would consider doing it for a career, what types of opportunities are availa ...
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波导之Mathematical Analysis of Waveguides - TM Modes
2013-5-4 07:52
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- Determining the fields for the TMz (Transverse Magnetic to the z direction) modes follows a similar procedure to that for the TEz case. To begin, we'll start by ...
