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It can be combined with the "negative" signal, spoken or written as NEGAT, to say "NEGAT Bravo Zulu" to convey "not well done" for a given action. "BZ" is widely used as shorthand vernacular amongst members of the sea services (i.e., navies, marines, and those coast guards that are military services as opposed to civilian agencies).
According to the Cambridge Dictionary, virtue signalling is "an attempt to show other people that you are a good person, for example by expressing opinions that will be acceptable to them, especially on social media... indicating that one has virtue merely by expressing disgust or favour for certain political ideas or cultural happenings". [4]
Signal refers to both the process and the result of transmission of data over some media accomplished by embedding some variation. Signals are important in multiple subject fields including signal processing, information theory and biology. In signal processing, a signal is a function that conveys information about a phenomenon. [1]
Signal for Help is a single-handed gesture that can be used over a video call or in person by an individual to alert others that they feel threatened and need help. The signal is performed by holding one hand up with the thumb tucked into the palm, then folding the four other fingers down, symbolically trapping the thumb by the rest of the fingers.
If a signal is strong enough, not even a power source is needed; building an unpowered crystal radio receiver was a common childhood project in the early decades of AM broadcasting. AM broadcasts occur on North American airwaves in the medium wave frequency range of 525 to 1,705 kHz (known as the "standard broadcast band").
In telecommunications, de-emphasis is the complement of pre-emphasis, in the antinoise system called emphasis. De-emphasis is a system process designed to decrease, (within a band of frequencies), the magnitude of some (usually higher) frequencies with respect to the magnitude of other (usually lower) frequencies in order to improve the overall signal-to-noise ratio by minimizing the adverse ...
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This three-arm signal controlled junction has three vehicle phases (A, B and C) and a pedestrian phase (D). The phases operate together in three stages (1, 2 and 3). Moving phases are shown in green and stopped phases are shown in red. Phases are indications shown to traffic on traffic signal aspects (a single light on a signal head). For ...