BRUEL & KJAER 2032 - Definition of Functions; Definition of Symbols; Time; Frequency

13. DEFINITION OF FUNCTIONS
13.1. DEFINITIONS OF SYMBOLS
13.1.1. Time
13.1.2. Frequency
146
T
~t
n
a(n), b(n)
az(n), bz(n)
a(n),
b(n)
az(n), bz(n)
Raa(n), Rbb(n)
Rzaa(n), Rzbb(n)
Rab(n)
Rzab(n)
Paa(n), Pbb(n)
Pzaa(n), Pzbb(n)
Pab(n)
Pzab(n)
h(n)
hz(n)
Ca(n), Cb(n)
Cza(n), Czb(n)
w(n)
l(n)
f
k
~f
F
SA(k), S
8
(k)
GA(k), G
8
(k)
SA(k), Se(k)
GA(k), Ge(k)
SAA(k), S
88
(k)
GAA(k), G
88
(k)
SAs(k)
GAs(k)
H
1
(k)
H
2
(k)
'Y!e(k)
COP(k)
NCOP(k)
S/N(k)
G~A(k), G~
8
(k)
W(k)
Time variable
Time delay
Sampling interval
Time index
Time Record Ch.A, Ch.B
Analytical Time Record Ch.A, Ch.B
Enhanced Time Records Ch.A, Ch.B
Analytical Enhanced Time Records Ch.A, Ch.B
Autocorrelation Ch.A, Ch.B
Analytical Autocorrelation Ch.A, Ch.B
Cross Correlation
Analytical Cross Correlation
Autocorrelation Coefficient Ch.A, Ch.B
Analytical Autocorrelation Coefficient Ch.A, Ch.B
Cross Correlation Coefficient
Analytical Cross Correlation Coefficient
Impulse Response
Analytical Impulse Response
Power Cepstrum Ch.A, Ch.B
Analytical Power Cepstrum Ch.A, Ch.B
Weighting Function
Lifter
Frequency variable
Frequency index
Frequency resolution
Frequency span
Instantaneous Spectrum, 2-sided Ch.A, Ch.B
Instantaneous Spectrum, 1-sided, Ch.A, Ch.B
Enhanced Spectrum, 2-sided, Ch.A, Ch.B
Enhanced Spectrum, 1-sided, Ch.A, Ch.B
Autospectrum, 2-sided, Ch.A, Ch.B
Autospectrum, 1-sided, Ch.A, Ch.B
Cross Spectrum, 2-sided
Cross Spectrum, 1-sided
Frequency Response GA
8
/GAA
Frequency Response G
88
/G
8
A
Coherence
Coherent Output Power
Non-coherent Output Power
Signal to Noise Ratio
Littered Spectrum Ch.A, Ch.B
Weighting Function