directivity
81Russian opera — A Russian Warrior, Bilibin s costume design for Borodin s Prince Igor , 1930) Russian opera (Russian: Русская опера) is the art of opera in Russia. Operas by composers of Russian origin, written or staged outside of Russia, also belong to this… …
82Slow-wave coupler — A slow wave coupler refers to a set of coupled microstrip lines in which there is a corrugation in the inner edges of the transmission lines where the coupling takes place. The objective is to equalize the even and the odd mode phase velocities… …
83Retrodirectivity — A retrodirective antenna is an antenna that transmits the signal back in the same direction it came from. This is based on the principle of self phase conjugation of the input signal. Directivity depends on relative phases of signal radiated from …
84Sector antenna — OverviewSector antenna is a kind of directional antenna with a sector shaped radiation pattern. In mobile communications, these antennas are typically installed in base station sites for point to multipoint connections.tructure, Materials and… …
85Joseph D'Appolito — Joseph A. D Appolito Fields BEE (1958), SMEE (1964), EE (1964) and Ph.D.(1969) Alma mater Rensselaer Polytechnic Institute, Massachusetts Institute of Technology, Universit …
86CALM M5 — is the ISO 21215 standard that incorporates WAVE (WAVE PHY/MAC is IEEE 802.11p standard) and adds the following features [http://grouper.ieee.org/groups/802/11/Reports/Nov 2006 CALM Tutorial/IEEE 802 CALM Tutorials PPT.zip] : * Global (European)… …
87Picosecond ultrasonics — When an ultrashort light pulse (duration: 100 fs, energy …
88Proximity effect (audio) — The proximity effect in audio refers to a change in the frequency response of a directional microphone as the sound source is brought close to the microphone. The result of the change is a disproportionate increase in the bass response of the… …
89Prism Ark — Infobox animanga/Header name = PRISM ARK caption = Logo from anime s OP. ja name = プリズム・アーク ～プリズム・ハート エピソード2～ ja name trans = Purizum Āku Purizumu Hāto Episōdo2 genre = ErogeInfobox animanga/Game title = PRISM ARK PRISM HEART II developer =… …
90Dual-band blade antenna — Contents 1 Introduction 2 Theory 2.1 Monopoles 2.1.1 Blade Antennas 2.2 Slot Antennas …
