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Moreover, for a given noise power spectral density (PSD), spread-spectrum systems require the same amount of energy per bit before spreading as narrowband systems and therefore the same amount of power if the bitrate before spreading is the same, but since the signal power is spread over a large bandwidth, the signal PSD is much lower — often ...
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In today's puzzle, there are eight theme words to find (including the spangram). Hint: The first one can be found in the top-half of the board. Here are the first two letters for each word: BU. DI ...
Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT 'Connections’ hints and answers for #551 on Friday ...
The New York Times has used video games as part of its journalistic efforts, among the first publications to do so, [13] contributing to an increase in Internet traffic; [14] In the late 1990s and early 2000s, The New York Times began offering its newspaper online, and along with it the crossword puzzles, allowing readers to solve puzzles on their computers.
Waiting-for-Christmas Stories is a 1994 American children's book written by Bethany Roberts and illustrated by Sarah Stapler. The last in the informally named Waiting-for Series , it follows the same format as the first two titles (1984's Waiting-for-Spring Stories and 1990's Waiting-for-Papa Stories ), this time with a holiday flavor.
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In digital communications, chirp spread spectrum (CSS) is a spread spectrum technique that uses wideband linear frequency modulated chirp pulses to encode information. [1] A chirp is a sinusoidal signal whose frequency increases or decreases over time (often with a polynomial expression for the relationship between time and frequency).