স্বল্পদৈর্ঘ্য তরঙ্গ

স্বল্পদৈর্ঘ্য তরঙ্গ

Line-of sight, point-to-point transmission of signals at high frequency. Many CATV systems receive some television signals from a distant antenna location with the antenna and the system connected by microwave relay. Microwaves are also used for data, voice, and indeed all types of information transmission. The growth of fiber optic networks have tended to curtail the growth and use of microwave relays.

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তরঙ্গ

화학; 일반 화학

A signal which propagates through space, much like a water wave moves through water.

তরঙ্গ সাইক্লোন

날씨; 전반적 날씨

A cyclone which forms and moves along a front. The circulation around the cyclone's center produces a wavelike deformation on the front. May also be call a migratory cyclone or ...

বাতাসের তরঙ্গ

날씨; 전반적 날씨

An ocean or lake wave resulting from the action of wind on the water's surface. After it leaves its fetch area, it is considered a swell.

ধ্বনি তরঙ্গ

엔터테인먼트; 디지털 음악

Sound that is within the normal range of human hearing, usually between 20 hertz (Hz) and 20 kilohertz (kHz).

গিগাহার্ত্জ (GHz)

항공우주; 위성

One billion cycles per second. Signals operating above 3 Gigahertz are known as microwaves. above 30 GHz they are know as millimeter waves. As one moves above the millimeter waves ...

হাব

항공우주; 위성

The master station through which all communications to, from and between micro terminals must flow. in the future satellites with on-board processing will allow hubs to be ...

ট্রান্সপন্ডার

항공우주; 위성

A combination receiver, frequency converter, and transmitter package, physically part of a communications satellite. Transponders have a typical output of five to ten watts, ...

ট্রান্সমিটার

항공우주; 위성

An electronic device consisting of oscillator, modulator and other circuits which produce a radio or television electromagnetic wave signal for radiation into the atmosphere by an ...