量子阱激光器具有良好的小信号调制频率响应，能作为高速光通信光源采用直接调制方式进行信号传输。
Quantum well laser diodes are of high modulation frequency response. They can be used as light sources and be directly modulated for high bit rate optical communications.
当您使用零调制解调器电缆在两台计算机之间建立直接串行连接时，您的电缆必须按下面清单1中显示的方式连接。
When you use a null modem to make a direct serial connection between two computers, your cable must be wired, as shown in Listing 1 below.
导出了矩阵变换器的交-交直接变换控制规律和双空间矢量PWM调制策略，建立了交-交直接变换控制方式下矩阵变换器的数学模型。
The AC-AC direct transformation control and the double-space-vector PWM scheme of the matrix converter are deduced, mathematic model of space vector modulation (SVM) matrix converter is built.
应用推荐