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Bandwidth test software is used to determine the maximum bandwidth of a network or internet connection. It is typically undertaken by attempting to download or upload the maximum amount of data in a certain period of time, or a certain amount of data in the minimum amount of time.
Periscope is a live video streaming app for iOS and Android acquired by Twitter before launch in 2015. Yes [14] Yes [15] No Photomath: Photomath is a "camera calculator" for iOS and Android which uses a phone's camera for recognition of mathematical patterns from handwriting or notebooks and displays them directly onscreen. Yes [16] Yes [17] No ...
This way the noise covers a bandwidth that is much wider than the signal itself. The resulting signal influence relies mainly on the filtering of the noise. To describe the signal quality without taking the receiver into account, the optical SNR (OSNR) is used. The OSNR is the ratio between the signal power and the noise power in a given bandwidth.
It may refer more specifically to two subcategories: Passband bandwidth is the difference between the upper and lower cutoff frequencies of, for example, a band-pass filter, a communication channel, or a signal spectrum. Baseband bandwidth is equal to the upper cutoff frequency of a low-pass filter or baseband signal, which includes a zero ...
Calculator is a basic calculator app introduced with the initial launch of the original iPhone and iPhone OS 1 in 2007. [8] The standard mode includes a number pad, buttons for adding, subtracting, multiplying, and dividing. The app also contains a scientific calculator, with support for exponents and trigonometric functions.
Full-spectrum photography is a subset of multispectral imaging, defined among photography enthusiasts as imaging with consumer cameras the full, broad spectrum of a film or camera sensor bandwidth. In practice, specialized broadband/full-spectrum film captures visible and near infrared light, commonly referred to as the "VNIR". [1]
On the iPhone, a user can activate FaceTime during a phone call by pressing the FaceTime button or initiating FaceTime from their call history or the Contacts application. iOS 7 and newer also provide a separate FaceTime app, as there always has been on Apple's non-telephony devices: iPad, iPod Touch, and Mac.
However much we raise the number of pixels used in cameras, this will always remain true in absence of a perfect optical spatial filter. Similarly, a 5-megapixel image obtained from a 5-megapixel still camera can never be sharper than a 5-megapixel image obtained after down-conversion from an equal quality 10-megapixel still camera.