Controlled reception pattern antenna information

Controlled reception pattern antennas (CRPA) are active antennas that are designed to resist radio jamming and spoofing. They are used in navigation applications...

systems (diversity reception), the analog has also proven valuable for transmitting systems (transmit diversity) as well. Inherently an antenna diversity scheme...

An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves...

hence prevents reception of waves from that direction. The termination on the antenna makes it uni-directional, similar to an aperture antenna, but using...

efficient of all antenna types for both transmission and reception.[citation needed] Large loop antennas have a two-lobe radiation pattern at their first...

[full citation needed] The dipole is any one of a class of antennas producing a radiation pattern approximating that of an elementary electric dipole with...

such stages is unidirectional. Smart antenna Controlled reception pattern antenna Ulrich L. Rohde: Active Antennas, RF Design, May/June 1981 Ulrich L....

A horn antenna or microwave horn is an antenna that consists of a flaring metal waveguide shaped like a horn to direct radio waves in a beam. Horns are...

CRPA can mean: Controlled reception pattern antenna California Rifle and Pistol Association This disambiguation page lists articles associated with the...

arrays for directional signal transmission or reception. This is achieved by combining elements in an antenna array in such a way that signals at particular...

the pattern vertically. This allows the designer to tailor the reception pattern, and thus the gain, by moving the elements about. If the antenna is properly...

resonant antennas (parasitic elements), absorbing and reradiating radio waves from the mast, disturbing the radiation pattern of the antenna. To prevent...

performance. Other than antenna or space diversity, there are other diversity techniques such as frequency/time diversity, antenna pattern diversity, and polarization...

air traffic. It consists of a rotating ground antenna and transponders in aircraft. The ground antenna sweeps a narrow vertical beam of microwaves around...

A satellite dish is a dish-shaped type of parabolic antenna designed to receive or transmit information by radio waves to or from a communication satellite...

device called a transmitter connected to an antenna which radiates the waves. They are received by another antenna connected to a radio receiver. In addition...

antenna, transmission line antenna, and in technical literature as a horizontal electric dipole (HED), is a huge, specialized type of radio antenna that...

This is done electronically, with a phased array antenna, or mechanically by rotating a physical antenna. The emitter and the receiver can be in the same...

two straight antennas at right angles for reception, each on a different display. The maximum return would be detected with an antenna at right angles...

Electromagnetics Code, or NEC, is a popular antenna modeling computer program for wire and surface antennas. It was originally written in FORTRAN during...

Fresnel zone antennas are antennas that focus the signal by using the phase shifting property of the antenna surface or its shape. There are several types...

while at the same time minimising the reception of signals coming from the rear of the antenna. Using a Yagi-Uda antenna can increase range substantially because...

service is divided into cells in a pattern dependent on terrain and reception characteristics. These cell patterns roughly take the form of regular shapes...

of reception antennas, whereas single-user SU-MIMO's higher per-user throughput is better suited to more complex user devices with more antennas. Enhanced...

antenna. For television reception, the Yagi is used, as well as the log-periodic antenna due to its wider bandwidth. Helical and turnstile antennas are...

electronically scanned array (AESA) is a type of phased array antenna, which is a computer-controlled antenna array in which the beam of radio waves can be electronically...

receivers with simple antennas to receive the signal. This resulted in the introduction of many new low-cost radio controlled clocks that "set themselves"...