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- W3013652104 abstract "Synthetic Aperture Radar (SAR) is a type of radar technology developed in the 1950s. It is used in an extensive list of applications from sub-surface imaging in geology to satellite based earth observation payload for natural disaster monitoring and prevention, deforestation and crops monitoring. As with most applications involving high-sampling speed data converters, future SAR system aims at reducing their size, weight, cost and power consumption while becoming more flexible in order to support multiple end-use with a single hardware platform. One solution discussed in this paper is a new type of architecture supported by the latest generation of advanced data converters: Software Defined Radio (SDR) and Software Defined Microwave (SDM). These architectures aims at reducing the amount of front-end hardware needed, push as much processing and signal treatment as possible within the processing unit, translating in higher requirement for the data converters. This paper will first introduce SDR/SDM architecture before explaining the higher ADC/DAC requirements. In a last section, performance results of Teledyne e2v's latest Analog to Digital Converter (ADC) and a Digital to Analog Converter (DAC) are shown in the X-band (8-12GHz) illustrating the benefit of SDR/SDM architecture for SAR system." @default.
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- W3013652104 date "2019-11-01" @default.
- W3013652104 modified "2023-09-27" @default.
- W3013652104 title "Microwave Capable Data Converters Enabling Softare Defined Synthetic Aperture Radar" @default.
- W3013652104 doi "https://doi.org/10.1109/apsar46974.2019.9048345" @default.
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