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Bruce Candy's Gospel

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Wrongful terminology and formulas in the Bruce Candy's Gospel
"Metal Detector Basics and Theory"
http://www.minelab.com/consumer/xstandard/files/ML_08_007WhitePaper8.pdf
Page 5 and following: WRITTEN "mineralisation, mineralized". Should be "ferromagnetism,
ferromagnetic".
1/(a 2 + z 2 )3 . Should be a 4 /( a 2 + z 2 )3
2nIa 2 /(a 2 + z 2 )3 / 2 × 2na 2 /(a 2 + z 2 )3 / 2 = 4n 2 Ia 4 /(a 2 + z 2 )3
Page 14: WRITTEN
ω = 2π / τ . Should be ω = 1/ τ . Since ω = 2π . f
1
0.159
f =
=
.
2π τ
τ
Page 15: WRITTEN
frequency in Hz is
because
, then the characteristic
Page 18 and following: WRITTEN "superparamagnetic". Should be "ferromagnetic".
It is necessary, we amateur designers to write our "Metal Detecting Bible" containing more
formulas and graphs.
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