“neper(symbol: Np)”的概念、定义、翻译、参考文献-科学参考

单词	neper(symbol: Np)
释义	neper(symbol: Np) Electronics and Electrical Engineering A dimensionless unit used in telecommunications to express the ratio of two amplitudes. It is the natural logarithm of the ratio of two amplitudes, usually voltages or currents. Thus if two currents, I₁ and I₂, differ by N nepers then $N = {log}_{e} (\frac{I_{2}}{I_{1}})$ One neper equals 8.686 decibels.
随便看	eristic Eritrea Eriugena, Johannes Scottus (c.810–c.877) Erlang erlang Erlang, Agner Krarup (1878–1929) Erlang distribution Erlangen Programme Erlanger, Joseph Erlang formula Erlebnis Erlenmeyer, Richard August Carl Emil Ermine Street Er, myth of ERNIE Ernst, Richard Robert ERO erodibility EROS Eros eros erosion erosion-corrosion erosion rate erosion surface

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