摘要
在某相位编码毫米波雷达系统中,由于对目标速度测量精度的要求很高,因此目标多普勒频率测量电路的设计也具有比较重要的地位。文章提出了利用PC104和CPLD,采用多周期同步测频方法实现目标多普勒频率的测量。相比传统的测频法和测周法,多周期同步测频法可以实现整个测量频段的等精度测量。实际应用表明,该设计具有精度高,可靠、稳定等优点。
The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed. It is illustrated in detail that with the use of synchronous multi-cycle frequency measurement as well as PC104 and CPLD, the measurement of target Doppler frequency is implemented. With synchronous multi-cycle frequency measurement, equal precision measurement can be realized at whole. The design has been proved to be stable and reliable.
出处
《计算机测量与控制》
CSCD
2004年第12期1192-1194,共3页
Computer Measurement &Control
