Studying and Modeling of a Pulse Compression Doppler Radar with Modern CAD Tools
In this paper, we put the pillars of a studying and modeling approach of a pulse compression Doppler radar with modern CAD tools. In fact, modern system-engineering software environments offer many radar-models that can be taken as reflection tracks. This work tries to show, in an analytical and practical manner, the impact of the pulse compression (PC) and the pulse Doppler (PD) processing on the radar-system performance. To give the robustness to our process, simulation results analysis is accompanied with mathematical evaluation. The study is based on the model based engineering (MBE) philosophy of the SystemVue environment reinforced by the MATLAB computational power. In fact, the digital signal processing models used in the Data Flow (DF) simulation are based on the Math Language. Progressing through a whole process, our approach combines the computation and visualization with the functional description to give a sense to numbers and curves. This will permit the reader to make a synthetic vision on the waveforms and to understand step by step the PC and PD utility for the system operation. Using the software instrumentation permits to follow the performance indicators that are the signal to noise ratio (SNR) and the detection probability (Pd). In fact, the overall analysis is guided by these two indicators. This work is useful for all the radar system life cycle (design, operation and maintenance) because it contributes to cost reduction and operational efficiency.
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