How to measure antenna gain?

Antenna gain refers to the ratio of the power density of the signal generated by the actual antenna and the ideal radiating unit at the same point in space under the condition of equal input power. It quantitatively describes the degree to which an antenna concentrates the input power and radiates it.

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Schéma de conception du traitement du signal analogique haute performance HDTV

Au fur et à mesure que la technologie d’affichage de la télévision haute définition (HDTV) mûrit, la qualité du traitement vidéo et audio analogique finira par différencier les téléviseurs. Le traitement numérique en TVHD (y compris la mise à l’échelle de l’image, le désentrelacement et la démodulation MPEG) continue de jouer un rôle important, mais ces fonctions seront bientôt normalisées.

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FM Radio Transmitter Overview

The FM radio transmitter is composed of different signal equipment, mainly composed of high-frequency equipment, low-frequency equipment, and power supply equipment. High-frequency equipment and low-frequency equipment cooperate with each other to complete signal transmission and amplification in an orderly manner.

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What is a mixer?

What is a mixer? The mixer (Mixer), also known as the mixing console, will amplify, mix, distribute, modify the sound quality and process the sound effects of the multi-channel input signal, and then output it through the bus (Master). The mixe...

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How to Buy a Video Tripod

The goal of this article is to help you narrow your choice of options, pick through what is important to you, and make it easier to choose the right tripod to suit your needs and your budget. For the purposes of this article, the term "tripod" is use...

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