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天线阵加权之Minimum Mean-Square Error (MMSE) Weights2
2013-5-4 06:49
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- We're deriving the optimal MMSE weights. Recall from the previous page:
Multiplying the terms above, the MSE becomes
(1)
Because the ...
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天线阵加权之Minimum Mean-Square Error (MMSE) Weights1
2013-5-4 06:48
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- In this section, I'm going to move on to a (relatively) more advanced weighting scheme, one that is statistically based instead of deterministic. This weighting ...
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天线阵加权之Dolph-Chebyshev Example
2013-5-4 06:47
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- In the previous page on Dolph Weights, the Dolph-Tschebysheff method was introduced. On this page, we'll run through an example. Consider a N=6 element array, w ...
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天线阵加权之Dolph-Chebyshev Weights
2013-5-4 06:45
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- You may have noticed that the antenna array factors for arrays with uniform weights have unequal sidelobe levels, as seen here. Often it is desirable to lower t ...
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天线阵之Two Dimensional Phased Arrays
2013-5-3 23:53
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- In this section, we'll look at two-dimensional or planar arrays with uniform spacing and with phased weights. Fortunately, two-dimensional phased arrays are not ...
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天线阵之Further Analysis of Uniform Arrays
2013-5-3 23:52
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- In the previous page, the general form of the antenna Array Factor for an N element array with uniform spacing of d and phased tapered weights steered towards ...
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天线阵之Analysis of Uniform Phased Arrays
2013-5-3 23:50
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- In this page, we'll derive a general equation for the array factor or antenna array response for an N element uniformly spaced linear antenna array. The weights ...
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天线阵之栅瓣Grating Lobes in Antenna Arrays
2013-5-3 23:49
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- We saw previously that a uniformly-spaced array with weights selected to be:
(1)
will have the array steered towards the desired direction ...
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天线阵加权方法之谢昆诺夫多项式法
2013-5-3 23:46
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- Instead of steering an antenna array (in which case we want to receive or transmit primarily in a particularly direction), suppose instead we want to ensure tha ...
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天线阵之加权方法
2013-5-3 23:37
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- A weighting method is a means of selecting the weights that multiply the signals from the antennas in an antenna array:
The weights used in the antenna array a ...
