SNR has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of SNR in Scientific & Educational.
Signal-to-Noise Ratio, the ratio of the amplitude of the desired signal to the amplitude of noise signals at a given point in time. The larger the number, the better. Usually expressed in dB.
Scientific & EducationalAn expanding shell of gas ejected at high speeds by a supernova explosion. Supernova remnants are often visible as diffuse gaseous nebulae usually with a shell-like structure. Many resemble "bubbles" in space.
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