field-free space
1Free 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… …
2Free-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… …
3free-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 …
4free space — noun Physics space containing no electromagnetic or gravitational field, used as a standard or reference point …
5Impedance 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… …
6Free 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… …
7Field 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… …
8Space elevator — A space elevator for Earth would consist of a cable anchored to the Earth s equator, reaching into space. By attaching a counterweight at the end (or by further extending the cable upward for the same purpose), the center of mass is kept well… …
9Field (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 …
10Space 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,… …
