array antennaの例文

• Patented in 2004, one phased array antenna system is useful in automotive radar applications.
• The Phased array antenna is fabricated at Bharat Electronics Limited ( BEL ), Ghaziabad.
• Doppler is incompatible with most electronically steered phase-array antenna.
• For example, a phased array antenna can send out a beam that is extremely thin.
• Boeing began developing these phased-array antennas 16 years ago.
• In wireless communication, space-division multiplexing is achieved with multiple antenna elements forming a phased array antenna.
• Braun invented the phased array antenna in 1905.
• Modern systems often used phased array antennas to allow rapid beam forming for highly accurate results.
• Sterba curtains are modest-gain single-band curtain array antennas.
• When used with a reflector to further improve the directionality, the result is a reflective array antenna.
• Phased-array antennas became practical with the introduction of tunable high-power coherent radio frequency oscillators in the 1960s.
• The technology advance that makes the system possible is a proprietary solid-state, phased-array antenna developed by Boeing.
• Japanese researcher Hidetsugu Yagi also investigated wireless energy transmission using a directional array antenna that he designed.
• Additionally, the non-moving phased-array antennas were mounted directly in concrete and could be hardened too much greater strengths.
• On the scientific front, his contributions are reported in the areas of monopulse array antennas and polarimetric Radars.
• The APQ-159's primary upgrade was the addition of a new planar phased array antenna, replacing the-153's parabolic dish.
• Phased array antennas are composed of evenly spaced similar antenna elements, such as aerials or rows of slotted waveguide.
• In contract to the normal array antenna, the array elements are different and are arranged in a pseudo-periodic manner.
• A commonly proposed approach to ensuring fail-safe beam targeting is to use a retrodirective phased array antenna / rectenna.
• One of the early applications of digital computers was in switching the signal phase in elements of large phased-array antennas.