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smith圆图之The Admittance Smith Chart
2013-5-4 07:23
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- The discussion thus far has centered around the "standard" Smith Chart, also known as the impedance Smith Chart. The impedance Smith Chart isn't great for worki ...
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smith圆图之Smith Chart Tutorial - Impedance Matching with Tx Lines, Series L and ...
2013-5-4 07:22
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- On the previous page, we showed how to use series inductors and capacitors to cancel out the reactance of a load. However, as seen in the second example on the ...
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smith圆图之Impedance Matching Basics - Series L and C
2013-5-4 07:21
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- On this page, we'll start the beginning of impedance matching, by illustrating the effect of a series inductor or a series capacitor on an impedance. The Smith ...
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smith圆图之Smith Chart Tutorial - Load Transformation
2013-5-4 07:20
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- On this page, we'll see how the Smith Chart makes viewing the impedance transformation due to transmission lines very simple. That is, suppose that we have an i ...
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smith圆图之Smith Charts: Constant Reactance Curves
2013-5-4 07:18
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- On the previous Smith Chart page, we looked at the set of curves defined by zL = R + iY, where R is held constant. The result were constant resistance circles o ...
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smith圆图之Smith Chart: Constant Resistance Circles
2013-5-4 07:17
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- On this page, we'll start filling in the Smith Chart, to understand where all the complicated curves come from on the Smith Chart (See Figure 1 on the intro to ...
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天线之smith圆图The Smith Chart
2013-5-4 07:16
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- In this tutorial, we will introduce and explain Smith Charts, and then given an introduction to impedance matching. We will then use the Smith Chart to perform ...
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天线测试之Specific Absorption Rate (SAR)
2013-5-4 07:09
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- Specific Absorption Rate (or SAR) is a measure of how transmitted RF energy is absorbed by human tissue. SAR is a function of the electrical conductivity (, mea ...
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天线测试之Scale Model Measurements
2013-5-4 07:08
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319
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- For the best estimate of an antenna's performance in real conditions, the measurement of the antenna should be performed in a location that closely resembles th ...
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天线测试之Impedance Measurements
2013-5-4 07:07
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317
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- In this section, we'll be concerned with measuring the impedance of an antenna. As stated previously, the impedance is fundamental to an antenna that operates a ...
