yagi antennas造句

• TV antennas are still a major application of the Yagi antenna.
• For the commonly used Yagi antenna this is not a linear relationship.
• Yagi antennas were adopted for both transmitting and receiving.
• Most used the port wing and a receiver Yagi antenna on the starboard wing.
• Hollmann built a regenerative receiver and Schultes developed Yagi antennas for transmitting and receiving.
• The Type 42 had more revisions, including a change to using four Yagi antennas.
• To traverse these distances, directional Yagi antennas are almost essential and are generally horizontally polarized.
• :: Almost all UK TV terrestrial TV reception antennas are directional Yagi antennas with reflectors.
• This rebroadcast signal was received by two directional yagi antennas on the aircraft carrying the Rebecca unit.
• The steerable crossed yagi antenna was used to transmit and receive telemetry from various spacecraft of that era.
• The Yagi antenna has similar looking parasitic dipole elements but which act differently due to their somewhat different lengths.
• Yagi antennas were installed along the wing leading edges and also protruded from the sides of the rear fuselage.
• On electronic manuals Yagi antennas are usually depicted as talk ) 06 : 25, 15 May 2014 ( UTC)
• The smallest elements in this design, located in the " front ", are UHF and use Yagi antenna principles.
• It used a Yagi antenna that was rigidly mounted above the shelter and the entire unit could be rotated in azimuth.
• Each of these had a hand-rotated pole with Yagi antennas at two levels, allowing azimuth and elevation measurements.
• It used four Yagi antennas mounted in the nose area; separate elements for transmit and receive were skewed for searching.
• Yagi antennas were first widely used during World War II in radar systems by the British, US, Germans and Japanese.
• The Yagi antennas were spaced about 1, 000 meters; thus, close coordination was required to aim them in synchronization.
• They were ahead of Britain in the development of magnetrons, and their Yagi antenna was the world standard for VHF systems.