- 行业: Government; Military
- Number of terms: 79318
- Number of blossaries: 0
- Company Profile:
A sharply defined wave of increased pressure rapidly propagated through a surrounding medium from a center of detonation or similar disturbance.
Industry:Military
The science that deals with hidden, disguised, or encrypted communications. It includes communications security and communications intelligence.
Industry:Military
The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation.
Industry:Military
A command given to refrain from firing on, but to continue to track objects. Missiles already in flight will be permitted to continue to intercept.
Industry:Military
The angle between the directions, on either side of the axis, at which the intensity of the radio frequency field drops to one-half the value it has on the axis.
Industry:Military
The inclusion of duplicate or alternate system elements to improve operational reliability by ensuring continued operation in the event that a primary element fails.
Industry:Military
A separate program management operation established to operate outside the normal process, either to expedite development or because of high security classification.
Industry:Military
A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of the above.
Industry:Military
The degree to which a system, computer program (or component) is composed of discrete components such that a change to one component has minimal impact on other components.
Industry:Military
The region of the atmosphere, extending from roughly 70 to 500 kilometers altitude, in which ions and free electrons exist in sufficient quantities to reflect electromagnetic waves.
Industry:Military
