Abstract: The W-transform (WT) employs a Gaussian window modulated by instantaneous frequency to enhance low-frequency energy detection in geological reservoirs. However, its time–frequency spectrum ...
Abstract: In space scenarios, the communications between the flying transmitters and receivers generally face two difficulties: a long-distance transmission and a high-speed movement. The ...
Germany’s auto industry is sliding faster into decline, with weak demand, trade tensions and rising Chinese competition compounding the pressures on the country’s carmakers. Porsche on Thursday joined ...
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