37 lines
1.1 KiB
Matlab
37 lines
1.1 KiB
Matlab
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function calibGainCode = helperGainCodes(analogWeights)
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% get gain for each subarray
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sub1weights = analogWeights(:,1);
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sub2weights = analogWeights(:,2);
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sub1gain = getGain(sub1weights);
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sub2gain = getGain(sub2weights);
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% Loading the measured gain profiles
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load('GainProfile.mat','subArray1_NormalizedGainProfile','subArray2_NormalizedGainProfile','gaincode');
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calibGainCode = zeros(1,8);
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for nch = 1 : 4
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xp = sub1gain(nch);
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if xp == -Inf
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calibGainCode(nch) = 0;
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else
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calibGainCode(nch) = round(interp1(subArray1_NormalizedGainProfile(:,nch),gaincode,xp));
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end
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xp = sub2gain(nch);
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if xp == -Inf
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calibGainCode(nch+4) = 0;
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else
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calibGainCode(nch+4) = round(interp1(subArray2_NormalizedGainProfile(:,nch),gaincode,xp));
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end
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end
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% Make sure the values of the gain code is always <= 127
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calibGainCode(calibGainCode>127 | isnan(calibGainCode)) = 127;
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function gain = getGain(weights)
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amp = abs(weights);
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gain = mag2db(amp);
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end
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end
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