摘要
针对航向仪三相交流信号的输出问题,用DSC(数字-自整角转换器)作为数字角与模拟信号的接口,用DSP芯片作控制器,产生阶跃、正弦和匀速等三种典型测试信号;具有精度高,稳定性好的模拟信号量。
In the field of the plane mending, the direction signal generator is important to check out whether the department is ok or not. The DSP processor is used as the system＇s main control chip, and the DSC （Digital Synchrony Converter） as the interface of the digital angle signal to analog signal. This system is researched based on three typical kinds of signal： Impulse signal, Sine signal, and Average signal. Before converting digital signal to analog signal, we have a procession of signal inside of DSP, making it smooth and sampling the signal with a high rate. Then, the final wanted analog signal will be given out from DSC, which has the characteristics of high precision, high reliability, and high stability.
出处
《仪表技术》
2009年第7期25-27,共3页
Instrumentation Technology
