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  2. Earth-centered inertial - Wikipedia

    en.wikipedia.org/wiki/Earth-centered_inertial

    Earth rotates while the ECI coordinate system does not. Earth-centered inertial ( ECI) coordinate frames have their origins at the center of mass of Earth and are fixed with respect to the stars. [1] ". I" in "ECI" stands for inertial (i.e. "not accelerating "), in contrast to the "Earth-centered – Earth-fixed" ( ECEF) frames, which remains ...

  3. Orbital state vectors - Wikipedia

    en.wikipedia.org/wiki/Orbital_state_vectors

    Orbital position vector, orbital velocity vector, other orbital elements. In astrodynamics and celestial dynamics, the orbital state vectors (sometimes state vectors) of an orbit are Cartesian vectors of position ( ) and velocity ( ) that together with their time ( epoch) ( ) uniquely determine the trajectory of the orbiting body in space. [1 ...

  4. Election Commission of India - Wikipedia

    en.wikipedia.org/wiki/Election_Commission_of_India

    Politics portal. v. t. e. The Election Commission of India ( ECI) is a constitutional body established by the Constitution of India empowered to conduct free and fair elections in India. The Election commission is headed by a Chief Election Commissioner and consists of two other Election Commissioners .

  5. List of political parties in India - Wikipedia

    en.wikipedia.org/wiki/List_of_political_parties...

    The Election Commission of India (ECI) accords to national-level and state-level political parties based upon objective criteria. A recognised political party enjoys privileges like a reserved party symbol, [a] free broadcast time on state-run television and radio, consultation in the setting of election dates, and giving input in setting ...

  6. Voter ID (India) - Wikipedia

    en.wikipedia.org/wiki/Voter_ID_(India)

    www .eci .gov .in. The Indian Voter ID Card (officially the Elector's Photo Identity Card (EPIC)) is an identity document issued by the Election Commission of India to adults domiciles of India who have reached the age of 18. It primarily serves as an identity proof for Indian citizens while casting their ballot in the country's municipal ...

  7. Earth-centered, Earth-fixed coordinate system - Wikipedia

    en.wikipedia.org/wiki/Earth-centered,_Earth...

    The Earth-centered, Earth-fixed coordinate system (acronym ECEF ), also known as the geocentric coordinate system, is a cartesian spatial reference system that represents locations in the vicinity of the Earth (including its surface, interior, atmosphere, and surrounding outer space) as X, Y, and Z measurements from its center of mass.

  8. Extended Channel Interpretation - Wikipedia

    en.wikipedia.org/wiki/Extended_Channel...

    Extended Channel Interpretation. Extended Channel Interpretation (ECI) is an extension to the communication protocol that is used to transmit data from a bar code reader to a host when a bar code symbol is scanned. It enables the application software to receive additional information about the intended interpretation of the message contained ...

  9. Enterprise content integration - Wikipedia

    en.wikipedia.org/wiki/Enterprise_content_integration

    Enterprise content integration ( ECI) is a marketing buzzword for middleware software technology. It is often used within large organizations, that connect various types of computer systems that manage documents and digital content. ECI systems often work in tandem with other technologies such as enterprise content management, document ...