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Simple real time frequency modulated continues wave radar built around USRP B210 software defined radio. Signal processing and detection is PC based mainly with GNU Radio and c++ application. Main purpose of this design is to establish reliable way of interfacing with USRP and using it with proprietary applications for real time radar software. Another reason was to design software for radar signal...
To extract the micro-motion parameters of the rotating targets, SFS (Stepped Frequency Signal) is usually adopted to obtain the HRRP (High Resolution Range Profile). To reduce the sub-frequency counts SFS needs to synthesize the wideband, RSFS (Random Stepped Frequency Signal) is raised. By randomly transmitting the sub-frequencies of SFS, the frequency counts are obviously reduced. Then HRRP reconstruction...
This paper presents an SDR (Software-Defined Radio) implementation of an FMCW (Frequency-Modulated Continuous-Wave) radar using a USRP (Universal Software Radio Peripheral) device. The tools used in the project and the architecture of implementation with FPGA real-time processing and PC off-line processing are covered. This article shows the detailed implementation of an FMCW radar using a USRP device...
A concept of advanced navigation radar for purposes of hydrographie sea surface surveillance with fine azimuth resolution is considered. The advancement of radar system supposes modification of non-coherent pulse radar to operate in coherent mode, and to design additional receiver module to obtain radar data with improved azimuth resolution. The description and simulated characteristics of proposed...
This paper tackles the study of the nondesired effects in the detection capabilities and system resolution of Passive Radar (PR) solutions due to sporadic interference. Real radar data acquired by IDEPAR demonstrator (DVB-T based PR system developed by the University of Alcala) with the presence of an interference were considered. The ambiguity function is calculated to estimate the pedestal mean...
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