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2. Sample-rate conversion - Wikipedia

   en.wikipedia.org/wiki/Sample-rate_conversion

   Sample-rate conversion, sampling-frequency conversion or resampling is the process of changing the sampling rate or sampling frequency of a discrete signal to obtain a new discrete representation of the underlying continuous signal. [1] Application areas include image scaling [2] and audio/visual systems, where different sampling rates may be ...

3. Oversampling - Wikipedia

   en.wikipedia.org/wiki/Oversampling

   Oversampling. In signal processing, oversampling is the process of sampling a signal at a sampling frequency significantly higher than the Nyquist rate. Theoretically, a bandwidth-limited signal can be perfectly reconstructed if sampled at the Nyquist rate or above it. The Nyquist rate is defined as twice the bandwidth of the signal.

4. History of United States postage rates - Wikipedia

   en.wikipedia.org/wiki/History_of_United_States...

   The ship fee, including the ship rate on letters for delivery at the port of entry, were on a per letter basis, rather than weight. The United States issued its first postage stamps in 1847. Before that time, the letters' rates, dates, and origins were written by hand or sometimes in combination with a handstamp device. [1]

5. How the Fed Interest Rate Increase Will Affect You - AOL

   www.aol.com/fed-interest-rate-increase-affect...

   July 18, 2022 at 12:05 PM. The Federal Reserve has hiked interest rates three times in 2022 — with additional increases expected in coming months. These hikes come as the Fed attempts to hamper ...

6. Rate (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Rate_(mathematics)

   In mathematics, a rate is the quotient of two quantities in different units of measurement, often represented as a fraction. If the divisor (or fraction denominator) in the rate is equal to one expressed as a single unit, and if it is assumed that this quantity can be changed systematically (i.e., is an independent variable), then the dividend (the fraction numerator) of the rate expresses the ...

7. AOL Mail

   mail.aol.com

   Explore our AOL Mail product page to learn even more. Start for free. Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!