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As an example, in the area of personal computers, some BIOS writers include the ability to disable spread-spectrum clock generation as a user setting, thereby defeating the object of the EMI regulations.
The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to electrons ... For example ...
The spectrum of T restricted to H ac is called the absolutely continuous spectrum of T, σ ac (T). The spectrum of T restricted to H sc is called its singular spectrum, σ sc (T). The set of eigenvalues of T is called the pure point spectrum of T, σ pp (T). The closure of the eigenvalues is the spectrum of T restricted to H pp.
The radiation is not monochromatic, i.e., it does not consist of only a single frequency, but comprises a continuous spectrum of photon energies, its characteristic spectrum. If the radiating body and its surface are in thermodynamic equilibrium and the surface has perfect absorptivity at all wavelengths, it is characterized as a black body. A ...
The left–right political spectrum is a system of classifying political positions, ideologies and parties, with emphasis placed upon issues of social equality and social hierarchy. In addition to positions on the left and on the right, there are centrist and moderate positions, which are not strongly aligned with either end of the spectrum.
The Overton window is an approach to identifying the ideas that define the spectrum of acceptability of governmental policies. It says politicians can act only within the acceptable range. Shifting the Overton window involves proponents of policies outside the window persuading the public to expand the window.
Wilhelm Weitling is an example of a writer who added to anarchist theory without using the exact term. [1] The etymological origin of anarchism is from the Ancient Greek anarkhia (ἀναρχία), meaning "without a ruler", composed of the prefix an-("without") and the word arkhos ("leader" or "ruler").
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 ... (for example, cellular telephone operators or broadcast television stations).