scholarly journals Designing of a Quadrature Oscillator

MAUSAM ◽  
2021 ◽  
Vol 60 (3) ◽  
pp. 349-352
Author(s):  
M. I. ANSARI ◽  
K. C. SAI KRISHNAN
Keyword(s):  
Electronic Circuit ◽  
Observation System ◽  
Quadrature Oscillator

This paper is an attempt to design and develop an electronic circuit for Quadrature Oscillator, by using locally available components, to be used in servicing of display units for maintenance of a network of 14 Nos. of SAMEER R/Ts in IMD’s upper air network of 39 radiosonde radiowind observation system.

Motion Estimation byUsing Stereo Vision Analysis For Underwater Observation System

2019 ◽  
Author(s):  
Masyhuri Husna Binti Mazlan ◽  
Morisawa Daisuke ◽  
Koike Yoshikazu ◽  
Shimizu Junji ◽  
Enomoto Eriko ◽  
...  
Keyword(s):  
Motion Estimation ◽  
Stereo Vision ◽  
Observation System ◽  
Underwater Observation

Analysis of the horizontal structure of a measurement and control geodetic network based on entropy

2013 ◽  
Vol 62 (1) ◽  
pp. 23-31 ◽  
Author(s):  
Maria Mrówczyńska
Keyword(s):  
Geodetic Network ◽  
The State ◽  
Observation System ◽  
Optimum Number ◽  
Optimum Structure ◽  
Horizontal Structure ◽  
The Difference ◽  
And Control ◽  
Measurement And Control ◽  
Horizontal Displacements

Abstract The paper attempts to determine an optimum structure of a directional measurement and control network intended for investigating horizontal displacements. For this purpose it uses the notion of entropy as a logarithmical measure of probability of the state of a particular observation system. An optimum number of observations results from the difference of the entropy of the vector of parameters ΔHX̂ (x)corresponding to one extra observation. An increment of entropy interpreted as an increment of the amount of information about the state of the system determines the adoption or rejection of another extra observation to be carried out.

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