噪音: noise; undesired sound; stre ...功率比: power rate; power ratio多音功率比: multi-tone power ratio噪音功率密度: noise-power density噪音功率谱密度: noise-power spectral density功率比: acpr; papr; power ratio; pr power rate串音功率: crosstalk volume话音功率: speech power; talk power话音功率计: speech power meter语音功率: phonetic speech power; voice power标准测音功率: standard test-tone power峰值语音功率: peak speech power话音功率电平: speech power level基准语音功率: reference speech power传输功率比: transmission power ratio多频功率比: mtpr multi-tone power ratio辐射功率比: radiant power ratio邻频功率比: acpr ― adjacent-channel power ratio全功率比冲: full-fower specific impulse声电功率比: acoustoelectric power ratio剩余功率比: residual power ratio数字功率比: numerical power ratio推力功率比: thrust-power ratio有效功率比: work ratio噪声功率比: noise to power ratio; noise-power-ratio; npr noise power ratio