Pre-Owned Signals and Systems: Analysis Using Transform Methods & MATLAB
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What is the Walmart Pre-Owned Program?
Walmart Pre-Owned allows you to find previously owned, well-cared-for items from Walmart’s trusted & performance-managed sellers. Shopping Pre-Owned allows you to bring home the best-quality picks at even lower prices, in addition to extending the life of an item & reducing waste. Find your favorites & shop a range of conditions in every category.
Why Walmart Pre-Owned?
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Each Pre-Owned item listed comes from Walmart’s trusted performance-managed sellers, to ensure you get quality items.
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Save even more on top brands & your most-loved items.
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Don’t love it? Most items offer a 30-day* free return policy, for added peace of mind.
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Shopping Pre-Owned helps in extending the life of an item & reducing waste.
Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.
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