| 摘要: |
| 本文介绍了采用新的脉宽调制原理和微电脑技术,研制出的25赫正弦波铃流源.文末对该铃流源做了较客观的估价,并提出改进设想和预期达到的目标. |
| 关键词: 交换机,铃流源 |
| DOI： |
|
| 基金项目: |
|
| Study of PWM sinusidal bell current signal source |
|
| () |
| Abstract: |
| In this paper,using a new principle of PWM and the teehnique of storage system in a microcomputer are deseribed,and a 25Hz sinusidal bell current source has been developed.The bell current source is objectively evaluated.Finally,improvement conception and expected attainment target are proposed. |
| Key words: Switchboard,Bell Current Source |
