Electromagnetic+Transients+in+Power+Cables
For more than a century, overhead lines have been the most commonly used technology for transmitting...
For more than a century, overhead lines have been the most commonly used technology for transmitting...
超声波换能器作为一种实用的检测手段,能实现声波所携带的信息和电能之间转换。它的性能优良,价格低廉,操作方便,易于调试,因此在工农业生产中发挥着重要的作用。但目前换能器驱动电路的发射频率多为40 kHz...