A new calculation method of crossing-modulation-ratio is presented in this paper, the method is suitable for output level distribution of CATV network system under all conditions.
文中提出了一种新的交调比计算方法，适宜各种条件下的CATV联网系统在分配输出电平时使用。
The article analyzed the problems in China railways' level crossing signal and explored their solutions. And a intelligent level crossing signal and video monitoring system were introduced in details.
分析了我国铁路既有道口信号存在的若干问题，探讨了解决途径。较详细地介绍了一种智能化道口信号及图像监录系统。
When observing energy level of a chaotic system changing with one of the parameter, there are many avoided crossing, which possibly is an important sign of quantum chaos.
在研究经典混沌系统的量子能级随某一参数变化时，人们观察到了大量的“能级回避交叉”，这种现象很可能是量子混沌的一个重要标志。
And a intelligent level crossing signal and video monitoring system were introduced in details.
较详细地介绍了一种智能化道口信号及图像监录系统。
And a intelligent level crossing signal and video monitoring system were introduced in details.
较详细地介绍了一种智能化道口信号及图像监录系统。
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