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Google, Inc. (2009–2016) Alphabet Inc. (2016–present) Website. waymo.com. Waymo Chrysler Pacifica Hybrid undergoing testing in the San Francisco Bay Area. Waymo LLC, formerly known as the Google Self-Driving Car Project, is an American autonomous driving technology company headquartered in Mountain View, California.
Speedtest.net. Speedtest.net, also known as Speedtest by Ookla, is a web service that provides free analysis of Internet access performance metrics, such as connection data rate and latency. It is the flagship product of Ookla, a web testing and network diagnostics company founded in 2006, and based in Seattle, Washington, United States. [5][6]
Current status. Active. ASNs. 16591 (primary) 19165 (Webpass) Google Fiber, sometimes stylized as GFiber, is a fiber broadband Internet service operated by Google Fiber Inc., [2] a subsidiary of Alphabet, [3] servicing a growing number of households in cities in 19 states across the United States. [4] In mid-2016, Google Fiber was estimated to ...
An optical spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials. [1] The variable measured is most often the irradiance of the light but could also, for instance ...
Spectral density. The spectral density of a fluorescent light as a function of optical wavelength shows peaks at atomic transitions, indicated by the numbered arrows. The voice waveform over time (left) has a broad audio power spectrum (right). In signal processing, the power spectrum of a continuous time signal describes the distribution of ...
Like Wi-Fi, TV whitespace is a wireless connection, but uses different frequency bands. TV white space operates in 470 MHz to 698 MHz, whilst Wi-Fi operates in 2.4 and 5 GHz bands. Data transfer speed depends on the model of the radio, the vendor, the antenna length, and other factors. New radios can support more than 50 Mbit/s.
The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the visible spectrum, but some authors define the term more broadly, to include the ...
A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to measure the power of the spectrum of known and unknown signals. The input signal that most common spectrum analyzers measure is electrical; however, spectral compositions of other signals, such ...