Friday, 4 January 2013
CE1002 – ELECTRONIC SURVEYING
L T P C
3 0 0 3
UNIT I BASICS 9
Methods of measuring distance – Historical development – Basic principles –
Classifications – Applications and comparison with conventional surveying.
UNIT II ELECTRONIC RESOURCE 9
Fundamentals of electronics – Resonant circuits – Semiconductors – Lasers – Cathode
ray tube – Photo multiplier tube – Transducers – Oscillators – Frequency mixing –
Modulation and demodulation – Kerrcell modulator – Measurement of phase difference –
Reflectors and power sources.
UNIT III PROPAGATION OF ELECTROMAGNETIC WAVES 9
Definition – Classification – Applications – Propagation properties – Wave propagation
at lower and higher frequencies – Refractive index – Factors affecting – Computation of
group refractive index for light and near infrared waves at standard conditions and
ambient conditions – Reference refractive index – First velocity correction –
Computation of refractive index for microwaves.
UNIT IV ATMOSPHERIC PARAMETERS – REFRACTIVE INDEX 9
Measurement of atmospheric parameters – Mean refractive index – Real time application
of first velocity correction – Second velocity correction and total atmospheric correction.
UNIT V ELECTROMAGNETIC DISTANCE MEASURING SYSTEM 9
Electro optical system – Measuring principle – Working principle – Sources of error–
Infrared EDM instruments – Laser EDM instruments and total station – Microwave
system – Measuring principle – Working principle – Sources of error – Microwave EDM
instruments – Comparison with electro optical system – Care and maintenance of EDM
instruments – Modern positioning systems – EDM traversing – Trilateration and base line
measurement using EDM.
1. Rueger, J.M., “Electronic Distance Measurement “, Springer-Verlag, 1990.
2. Laurila, S.H., “Electronic Surveying in Practice”, John Wiley and Sons Inc,
1. Burnside, C.D., “Electromagnetic Distance Measurement” Crosby Lock wood
2. Soastamoinen, J.J., “Surveyor’s Guide to Electro-magnetic Distance
Measurement”, Adam Hilger Limited, 1967.
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