线路电平(line level) 指幅度大致在1V到2V的音频信号。 四倍线器(line quadrupler) 指将隔行扫描的信号变换为逐行扫描的信号后再NTSC频率的4倍频送给...
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处理单元(24)确定收集到的线路电平数据的统计特性。
The processing unit (24) determines statistical properties of the collected line level data.
这些线路电平输入相加之前发送到内部放大器允许在低音音响系统操作使用一个低音炮。
These line level inputs are summed before being sent to the internal amplifier allowing the subwoofer to operate in stereo systems using a single subwoofer.
本文就高压架空送电线路设计中,按实际工程情况计算短波无线电收信台所需防护间距时,环境噪声电平取值问题进行了初步探讨。
The level value for environmental noise when calculating the necessary protective space of shortwave wireless receiver in the design of high voltage trolly wire was discussed.
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