介绍以SPICE仿真软件为仿真引擎构建电路级虚拟维修(Virtual Maintenance in Circuit Class,VMCC)系统时建立数字器件等效电路模型的方法。利用该方法建立的数字器件等效电路可以模拟实际电路数字器件的功能,解决了数字器件难以仿真的...介绍以SPICE仿真软件为仿真引擎构建电路级虚拟维修(Virtual Maintenance in Circuit Class,VMCC)系统时建立数字器件等效电路模型的方法。利用该方法建立的数字器件等效电路可以模拟实际电路数字器件的功能,解决了数字器件难以仿真的问题。该方法已经成功应用于电路级虚拟维修原型系统。展开更多
The history and the evolvement of tantalum powder and wire production in Ningxia Nonferrous Metals Smelter (NNMS) was described. The technology and main characteristics of tantalum products were also concluded. It is ...The history and the evolvement of tantalum powder and wire production in Ningxia Nonferrous Metals Smelter (NNMS) was described. The technology and main characteristics of tantalum products were also concluded. It is indicated that these products are competitive in the international market.展开更多
文摘介绍以SPICE仿真软件为仿真引擎构建电路级虚拟维修(Virtual Maintenance in Circuit Class,VMCC)系统时建立数字器件等效电路模型的方法。利用该方法建立的数字器件等效电路可以模拟实际电路数字器件的功能,解决了数字器件难以仿真的问题。该方法已经成功应用于电路级虚拟维修原型系统。
文摘The history and the evolvement of tantalum powder and wire production in Ningxia Nonferrous Metals Smelter (NNMS) was described. The technology and main characteristics of tantalum products were also concluded. It is indicated that these products are competitive in the international market.
