closed — [klōzd] adj. 1. not open; shut [a closed door] 2. covered over or enclosed [a closed wagon] 3. functioning independently; self sufficient [a closed economic system] 4. not receptive to new or different ideas [a closed mind] 5 … English World dictionary
Circle criterion — In nonlinear control, the circle criterion is an important theorem in showing the stability of nonlinear time varying systems. It can be viewed as a generalization of the Nyquist stability criterion for LTI systems. Overview Consider a linear… … Wikipedia
Circle-Vision 360° — is a film technique, refined by The Walt Disney Company, that uses nine cameras for nine huge screens arranged in a circle. The cameras are usually mounted on top of an automobile for scenes through cities and highways, while films such as The… … Wikipedia
Circle MRT Line — Circle MRT Line 地铁环线 The Circle Line is coloured orange on system maps. Overview … Wikipedia
Circle line (London Underground) — Circle Colour on map Yellow Year opened 1884 Line type Sub Surface Rolling stock C Stock 6 carriages per trainset … Wikipedia
Circle of Dust — Origin New York Genres Industrial metal Industrial rock Electronic rock Christian rock Thrash metal Electronica Gothic rock Years active 1988–199 … Wikipedia
Circle Bakote — is a cluster of Union Councils in the eastern part of Abbottabad District in the North West Frontier Province of Pakistan. Circle Bakote is located on the upper and west bank of the Jhelum River at Kohalla Bridge. The region is somewhere between… … Wikipedia
Closed-eye hallucination — Closed eye hallucinations and closed eye visualizations (CEV) are a distinct class of hallucination. These types of hallucinations generally only occur when one s eyes are closed or when one is in a darkened room. They are a form of phosphene.… … Wikipedia
Circle packing theorem — Example of the circle packing theorem on K5, the complete graph on five vertices, minus one edge. The circle packing theorem (also known as the Koebe–Andreev–Thurston theorem) describes the possible tangency relations between circles in the plane … Wikipedia
Circle of confusion — For the closely related topic in microscopy, see Point spread function. In optics, a circle of confusion is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as… … Wikipedia
Circle group — For the jazz group, see Circle (jazz band). Lie groups … Wikipedia