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Data Acquisition and Signal Processing for Smart Sensors by Vadim P. Deynega, Nestor O. Shpak, Sergey Y. Yurish, Nikolay V. Kirianaki

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LIST OF ABBREVIATIONS AND SYMBOLS

δq program-specified relative quantization error
Δq absolute quantization error
Df specified measuring range of frequencies
fx measurand frequency
f0 reference frequency
F greater of the two frequencies fx and f0
f lower of the two frequencies fx and f0
fbound lower frequency limit
Fbound upper frequency limit
m counter capacity
Nδ number, determined by the error δ = 1/Nδ
Nx number of periods of lower frequency f
T period of greater frequency (T = 1/F)
τ period of lower frequency (τ = 1/f)
Tq quantization window
T0 reference gate time interval
ABS antilock braking system
ADC analog-to-digital converter
ALU arithmetic logic unit
ASIC application specific integrated circuit
ASIP application specific instruction processor
CAD computer-aided design
CMOS complementary metal oxide semiconductor
CT counter
DAC digital-to-analog converter
DAQ data acquisition
DFT discrete Fourier transformation
DSP digital signal processor
FCC frequency-to-code converter
FPGA field-programmable gate array
FS full scale
GUI graphical user interface
LCF Liapunov characteristic function
MDC method of dependent count
μK microcontroller
μP microprocessor
MSM multichip module
PCA programable counter array
PCM program-oriented conversion method
PWM pulse width modulation
RAM random access memory
ROM read-only memory
VFC voltage-to-frequency converter
VLSI very large scale integration

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