声源级的英文

• acoustic source level
• sl
• sound source level
• source level

• "声源"英文翻译    acoustic source; sound sourc ...
• "级"英文翻译    level; rank; grade
• "声呐声源级" 英文翻译 :    sonar source level
• "轴向声源级" 英文翻译 :    axial source level
• "源级" 英文翻译 :    source level
• "声源" 英文翻译 :    acoustic source; sound source
• "噪声源；声源" 英文翻译 :    noise source
• "超声源" 英文翻译 :    supersonic source; ultrasonic source
• "单声源" 英文翻译 :    simple sound source
• "点声源" 英文翻译 :    point sound source; point soure; simple sound source
• "电声源" 英文翻译 :    electroacoustic source
• "复声源" 英文翻译 :    compound sound source
• "罗声源" 英文翻译 :    luo shengyuan
• "面声源" 英文翻译 :    area source of sound; surface sound source
• "声源室" 英文翻译 :    sound source room; source room
• "实声源" 英文翻译 :    real source
• "双声源" 英文翻译 :    double sound source
• "谢声源" 英文翻译 :    xie shengyuan
• "虚声源" 英文翻译 :    image sound source; image source; virtual sound source
• "噪声源" 英文翻译 :    noise origin; noise sources; origin of noise; source of noise
• "稳定声源, 固有声源" 英文翻译 :    established sound source
• "爆炸声源" 英文翻译 :    explosive sound source
• "测量声源" 英文翻译 :    test source
• "测试声源" 英文翻译 :    measuring sound source
• "电火花声源" 英文翻译 :    spark sound source; spark source

• The propagation characteristics of underwater acoustic channels and their influences on long - range information transmission are studied thoroughly . based on the sonar equation , the optimal frequency band is abtained . from the calculation about transmission loss , the source level is forecasted . based on the random time varying channel theory , the fading characteristics of long - range underwater acoustic channels are analyzed
  系统、深入地研究了水声信道特性及其对水声远程信息传输系统的影响；从声纳方程出发，确定了系统的最佳工作频段；在声传播损失计算的基础上，给出了声源级的预报；基于时变信道理论，描述了远程水声信道的衰落特性。