half-wave antenna

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• half-wave antenna — pusbangio antena statusas T sritis fizika atitikmenys: angl. half wave antenna vok. Halbwellenantenne, f rus. полуволновая антенна, f pranc. antenne demi onde, f …   Fizikos terminų žodynas

• Antenna measurement — techniques refers to the testing of antennas to ensure that the antenna meets specifications or simply to characterize it. Typical parameters of antennas are gain, radiation pattern, beamwidth, polarization, and impedance.The antenna pattern is… …   Wikipedia

• quarter-wave antenna — One whose overall length is approximately a quarter of free space wavelength corresponding to frequency of operation. Under these conditions it is oscillating in its first natural mode, and is half a dipole …   Dictionary of automotive terms

• Antenna (radio) — Whip antenna on car …   Wikipedia

• Dipole antenna — A schematic of a half wave dipole antenna connected to an unbalanced coaxial cable. Better practice is to connect the balanced dipole to the unbalanced line with a balun. A dipole antenna is a radio antenna that can be made of a simple wire, with …   Wikipedia

• J-pole antenna — The J pole antenna, also called the Zepp antenna (short for Zeppelin), was first invented by the Germans for use in their lighter than air balloons. Trailed behind the airship it consisted of a single element, one half wavelength long. This was… …   Wikipedia

• J-antenna — A half wave antenna, end fed by a parallel wire quarter wave section having the configuration of a “J.” The antenna has an omnidirectional radiation pattern in the horizontal plane. This antenna is used primarily at very high and ultrahigh… …   Aviation dictionary

• Microstrip antenna — In telecommunication, there are several types of microstrip antennas (also known as printed antennas) the most common of which is the microstrip patch antenna or patch antenna. A patch antenna is a narrowband, wide beam antenna fabricated by… …   Wikipedia

• Antenna height considerations — The Aspects for Antenna heights considerations are depending upon the wave range and economical reasons.Longwave/Low frequency antennasAt VLF, LF and MF the radio mast or tower is often used directly as an antenna. Its height determines the… …   Wikipedia

• Antenna analyzer — An antenna analyzer measuring SWR and complex impedance of a dummy load. MFJ Enterprises Inc. MFJ 269. An antenna analyzer (also known as a noise bridge, RX bridge, SWR analyzer, or RF analyzer) is a device used for measuring the efficiency of… …   Wikipedia

• Antenna — Contents 1 Science and engineering 1.1 Technology 1.2 Biology …   Wikipedia