enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Electrical length - Wikipedia

    en.wikipedia.org/wiki/Electrical_length

    The electrical length of an antenna, like a transmission line, is its length in wavelengths of the current on the antenna at the operating frequency. [1] [12] [13] [4]: p.91–104 An antenna's resonant frequency, radiation pattern, and driving point impedance depend not on its physical length but on its electrical length. [14]

  3. Terahertz radiation - Wikipedia

    en.wikipedia.org/wiki/Terahertz_radiation

    Terahertz waves lie mostly at the far end of the infrared band, the longest ones in the microwave band. Terahertz radiation – also known as submillimeter radiation, terahertz waves, tremendously high frequency [1] (THF), T-rays, T-waves, T-light, T-lux or THz – consists of electromagnetic waves within the International Telecommunication Union-designated band of frequencies from 0.1 to 10 ...

  4. Television - Wikipedia

    en.wikipedia.org/wiki/Television

    In 2009, the global TV market represented 1,217.2 million TV households with at least one TV and total revenues of 268.9 billion EUR (declining 1.2% compared to 2008). [214] North America had the biggest TV revenue market share with 39% followed by Europe (31%), Asia-Pacific (21%), Latin America (8%), and Africa and the Middle East (2%). [ 215 ]

  5. Nintendo Entertainment System - Wikipedia

    en.wikipedia.org/wiki/Nintendo_Entertainment_System

    Nintendo would ship the necessary replacement parts only to shops that had enrolled in the authorization program. With the release of the top-loading NES-101 (New-Style NES) in 1993 toward the end of the NES's lifespan, Nintendo resolved the problems by switching to a standard card edge connector and eliminating the lockout chip.