有电路如图所示。以电压<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/0432742229e64229a3fcc67f865ca59f.png?x-oss-process=image/sharpen,200"/>为输入量，其中以电感中的电流和电容上的电压作为状态变量<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/18136c637da448be88cc1be194cdfd8d.png?x-oss-process=image/sharpen,200"/>，和以电阻<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/43c72985077543c9bc14a35261d7c1ba.png?x-oss-process=image/sharpen,200"/>上的电压作为输出量<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/3899e86e7ee043e5aa92a2a57b64a7c5.png?x-oss-process=image/sharpen,200"/>的输出方程为:<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/b0f09ea538734dd9a84d797dee07d5e3.png?x-oss-process=image/sharpen,200"/>