DOPPLER EFFECT DISSIPATION FACTOR The ratio of the power loss to the circu- lating voltage. DISTRIBUTION STATEMENT A statement used in marking a technical document to denote the extent of its availability for distri- bution, release, and disclosure without need for additional approv- als and authorizations from the controlling DoD office. DIVERGENCE The bending of rays away from each other, as by a concave or minus lens or by a convex mirror. In a binocular instru- ment, divergence is the horizontal angular disparity between the images of a common object, as seen through the left and right sys- tems. Divergence is defined as positive when the right image is to the right of the left image. DOCUMENT A term applicable to the specifications, drawings, lists, standards, pamphlets, reports, and printed, typewritten, or other information, relating to the design, procurement, manufac- ture, testing, or acceptance inspection of items or services. DOCUMENT APPLICATION PROFILE (DAP) The result of selecting a particular document architecture level; content architec- tures; a document profile level; an interchange format level; objects and attributes with classification of attributes into mandatory, non- mandatory; and defaultable, and definitions of basic, non-basic, and default attribute values, and control function parameter values. DOCUMENT IMAGE STANDARD A technical standard describing the digital exchange format of a print/display file of a report or other document. DOCUMENT TYPE DEFINITION (DTD) Rules, determined by an application, that apply Standard Generalized Markup Language (SGML) to the markup of documents of a particular type. A docu- ment type definition includes a formal specification, expressed in a document type declaration, of the element types, element relation- ships and attributes, and references that can be represented by markup. It thereby defines the vocabulary of the markup for which SGML defines the syntax. DOD ACTIVITY ADDRESS CODE (DoDAAC) A distinct six- position alphanumeric code assigned to identify specific units, activities, or organizations. DON'T CARE STATE A portion of primary input or output pat- terns created for a UUT that are not assigned specific values. DOPPLER EFFECT The phenomenon evidenced by the change in the observed frequency of a sound or radio wave caused by a time 101