antenna feed वाक्य
उदाहरण वाक्य
मोबाइल
- The radar uses an open frame truncated parabolic antenna with a stacked antenna feed.
- For fine attitude control, the S-band antenna feed was mounted slightly off-axis.
- In front feed, the antenna feed, the small focus, in front of the dish.
- A large loading coil is required at the antenna feed point to cancel the capacitive reactance of the antenna to make it resonant.
- Most often this is used close to an antenna feed horn in order to allow transmit and receive signals to operate on separate polarizations.
- Particularly with a transmitting antenna, the antenna feed is a critical component that must be adjusted to work correctly with the antenna and transmitter.
- Any anomaly or fault with the antenna or antenna feed cable will reflect transmitter power back into the receiver, possibly causing the receiver to be overloaded.
- In measuring the impedance or radiation pattern of a balanced antenna using a coaxial cable, it is important to place a balun between the cable and the antenna feed.
- In this frequency range their realization is very difficult because of the very high voltages that occur in the huge tuned loading coils that are used in the antenna feed.
- The delta RF signals are created by pairs of antenna feed-horns located adjacent to the sum feed-horn ( sum feed-horn not shown in the figure ).
- The " antenna feed " may refer to all components connecting the antenna to the transmitter or receiver, such as an impedance matching network in addition to the transmission line.
- It is so called because the antenna feed is offset to the side of the reflector, in contrast to the common parabolic antenna where the feed is in front of the dish, on its axis.
- Many improvements were made to provide a more compact and efficient monopulse antenna feed and lobe comparison waveguide circuitry, such that monopulse tracking radar became the generally accepted tracking radar system for military and civilian agencies, such as NASA and the FAA.
- Such a device may be part of a VSAT antenna feed or a terrestrial microwave radio feed; for example, OMTs are often used with a feed horn to isolate orthogonal polarizations of a signal and to transfer transmit and receive signals to different ports.
- The 7.5 Megawatt ( maximum power ) transmitter ran in normal operation at 5 Megawatt output pulse ( nearly 20 microseconds in duration ) and was conveyed from the transmitter to the antenna feed horn via a 9-inch diameter rigid coaxial connector.
- So is it possible to simply plug some kind of digitizer directly into the antenna feed, using no superheterodyne, and make a complete transcript of the entire radio-spectrum signal out there ( well, up to UHF that is ) like making a digital recording of sound?
- In telecommunications and electronics, an "'antenna feed "'refers to the components of an antenna which feed the radio waves to the rest of the antenna structure, or in receiving antennas collect the incoming radio waves, convert them to electric currents and transmit them to the receiver.
- The antenna feed is usually considered to be all the components between the beam-shaping part of the antenna and the receiver's first amplifier ( called the RF front end, the feed horn, orthomode transducer, polarizer, frequency diplexer, waveguide, waveguide switches, rotary joint, etc.
- So, if using a directional antenna, he'd either need a rotor to rotate between the two positions, or two directional antennae, one for each direction ( he could have a switch box to select which antenna feed goes to the TV, if the TV doesn't allow dual coax inputs ).
- The spacecraft has the shape of an octagonal prism, approximately 1.7 m on a side, with four fixed gallium arsenide X-band high-gain radio antenna with a magnetometer mounted on the antenna feed, and an X-ray solar monitor on one end ( the forward deck ), with the other instruments fixed on the opposite end ( the aft deck ).
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