free-space field

См. также в других словарях:

• free-space field intensity — laisvosios erdvės lauko stipris statusas T sritis radioelektronika atitikmenys: angl. free space field intensity vok. Freiraumfeldstärke, f rus. напряжённость поля в свободном пространстве, f pranc. intensité de champ en espace libre, f …   Radioelektronikos terminų žodynas

• Free space — In classical physics, free space is a concept of electromagnetic theory, corresponding to a theoretically perfect vacuum, and sometimes referred to as the vacuum of free space. The definitions of the ampere and meter SI units are based upon… …   Wikipedia

• Free-space path loss — In telecommunication, free space path loss (FSPL) is the loss in signal strength of an electromagnetic wave that would result from a line of sight path through free space, with no obstacles nearby to cause reflection or diffraction. It does not… …   Wikipedia

• free space — noun Physics space containing no electromagnetic or gravitational field, used as a standard or reference point …   English new terms dictionary

• Impedance of free space — The impedance of free space, Z0, is a physical constant relating the magnitudes of the electric and magnetic fields of electromagnetic radiation travelling through free space. That is, Z0 = |E|/|H|, where |E| is the electric field strength and… …   Wikipedia

• Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …   Wikipedia

• Field (physics) — The magnitude of an electric field surrounding two equally charged (repelling) particles. Brighter areas have a greater magnitude. The direction of the field is not visible …   Wikipedia

• Space colonization — Artist Les Bossinas 1989 concept of Mars mission Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent human habitation outside of Earth. Although hypothetical at the present time,… …   Wikipedia

• Field emission display — A field emission display (FED) is a display technology that incorporates flat panel display technology that uses large area field electron emission sources to provide electrons that strike colored phosphor to produce a color image as a electronic …   Wikipedia

• Free particle — In physics, a free particle is a particle that, in some sense, is not bound. In classical physics, this means the particle is present in a field free space. Classical Free Particle The classical free particle is characterized simply by a fixed… …   Wikipedia

• space — I (New American Roget s College Thesaurus) I n. expanse (see space); outer space, interplanetary, intergalactic, etc. space (see universe). v. t. space out, separate, distance. II Expanse in all directions Nouns 1. space, extension, extent,… …   English dictionary for students