tidal constant मीनिंग इन हिंदी

These machines had to be set with local tidal constants special to the place for which predictions were to be made.
These amplitudes and starting phase angles represented the local tidal constants, separately reset, and different for each place for which predictions were to be made.
The tidal constants are usually evaluated from local histories of tide-gauge observations, by harmonic analysis based on the principal tide-generating frequencies as shown by the global theory of tides and the underlying lunar theory.
Then, for purposes of prediction, those local tidal constants had to be recombined, each with a different component of the tide-generating forces to which it applied, and at each of a sequence of future dates and times, and then the different elements finally collected together to obtain their aggregate effects.
At each place of interest, the tide heights are therefore measured for a period of time sufficiently long ( usually more than a year in the case of a new port not previously studied ) to enable the response at each significant tide-generating frequency to be distinguished by analysis, and to extract the tidal constants for a sufficient number of the strongest known components of the astronomical tidal forces to enable practical tide prediction.