x波段三轴速调管放大器自激振荡诊断技术研究

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1、国防科学技术大学研究生院硕士学位论文图3.11主波导耦合孔所在截面功率..........................................................................27图3.12副波导输出端口功率.......................................................................................27图3.13TKA自激振荡诊断模型....................................................

2、..............................28图3.14漂移管电场分布图..........................................................................................28图3.15矩形波导输出端口功率谱..............................................................................28图3.16耦合器输出端电压频谱..................................

3、................................................29图4.1测量系统结构…………………………………………………………………..31图4.2基于透波介质和金属镀层的耦合器................................................................31图4.3耦合器冷测系统结构........................................................................................32图4.4耦

4、合度冷测结果................................................................................................33图4.5测量平台............................................................................................................33图4.6TKA实物图..................................................

5、......................................................34图4.7自激振荡诊断实验系统....................................................................................34图4.8单间隙TKA检波信号......................................................................................35图4.9单间隙TKA在265A励磁电流时的自激振

6、荡...............................................36图4.10TE51和TE21模式功率占比..............................................................................37图4.11噪声频谱..........................................................................................................37图4.12单间隙TKA在275

7、A励磁电流时的自激振荡.............................................38图4.13TE51和TE21模式功率占比..............................................................................38图4.14单间隙TKA在285A励磁电流时的自激振荡.............................................39图4.15TE51和TE21模式功率占比...............................

8、..........................