基于灵敏度设计GPS接收机

Design of the GPS Receiver Based on the Sensitivity

根据GPS接收机的定位原理和GPS接收机灵敏度分析接收机性能,发现灵敏度主要与前端电路和基带有着密切关系。据此对GPS的天线前端电路设计滤波器和低噪声放大器,并对电路的其他方面提出要求,考虑包含处理器和大量逻辑门电路的Cyclone器件,并通过配置嵌入式软核处理设计GPS接收机。

According to the localization principle and the sensitivity of the GPS receiver, receiver performance was studied, discovering that the sensitivity mainly has the close relation with the front end electric circuit and the baseband. By analyzing the front end the circuit, the filter and the low noise amplifier were designed, and the request to the electric circuit was set up for other aspects. The GPS receiver was designed making use of the Cyclone component containing the processor and the massive logical gates, disposing the embedded soft nuclear processor.