sign convention


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sign convention

[′sīn kən‚ven·chən]
(optics)
A convention as to which quantities, such as angles, distances, and radii of curvature, are positive and which are negative in computations involving a lens or a mirror.
References in periodicals archive ?
Despite accepting and sign convention, some nations avoid because of lack of motivation and financial difficulties doing their duties.
A node and its sign convention can be seen in Figure 4.
We are making every possible effort to bring back Dr Aafia Siddiqui and we are trying to sign convention on prisoners swap with US for this purpose, he underscored.
For the second edition, he has changed the sign convention for Gaussian optics to the Cartesian sign convention, as used in advanced books, and made other changes.
NOTEREF _Ref194065771 \h \* MERGEFORMAT) Though many of the traffic signs prescribed by the Road Sign Convention are symbolic, thereby transcending the language barriers of international travel, illiterate individuals with little education may still have difficulty understanding the many varied and intricate road signs and traffic patterns.
Changing the traditional sign convention in thermodynamics can eliminate confusion and erroneous results
The petition launched by the Kesri Lehar campaign urged the UK Government to press the Indian government to sign conventions which would abolish the death penalty in India.
Tunisia's UN Ambassador Ghazi Jomaa on June 24 said Tunis will sign conventions on torture, enforced disappearances and civic and political rights to under-score its commitment to reform.
It is not enough to sign conventions," the coalition of human rights groups said in a statement.
We have keeped the sign conventions (as well as to the beams) for the internal efforts, for the displacements and for the exterior loads.
The constitution specifically provides for state payment of the salaries and pensions of clergy of those religious groups which sign conventions with the Government.
Sign Conventions for Force and Moment and Wheel Slip