理想不失真传输系统的传输函数H（jω）是()。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/c53311dbea924826a56276a9472741b1.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/4f089e5988004320950aab7179fb9c28.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/2245b8eb25204e8e966be03821487380.png" >（<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/14618be7a9474fa09351a25e922eb774.png" >为常数） D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/9cba3ab48faa4d8980c79f62bb1f3da4.png" ><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/64f67bce595243aaa13ded6089b431b1.png" >