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Several benefits exist for using radar for traffic detection. Radar sensors are relatively easy to
set up and operate, and they have been shown to be among the most accurate non-intrusive
vehicle detection technologies. Another benefit of radar sensors is that they can be deployed
alongside the roadway, allowing them to be used in a safe environment.
The radar sensors used in this study are among the most commonly used radar-based sensors
available (manufactured by Wavetronix and Electronic Integrated Systems (EIS)) and use
frequency modulated continuous wave (FMCW) radar technology. Both companies have been
in existence for several years, and are continually improving their devices. Some commonalities
exist among the different sensors, such as being powered by 12-volt marine deep-cycle
batteries, and communicating through a RS-232 serial port. The following sections provide
more detail on the sensors that will be used in this study. Figure 1 shows each of the sensors
used in this study, which are mounted using the tripod structures.
Figure 1. Radar Sensors on the Tripod Mounting System
Wavetronix SmartSensor 105
The SmartSensor 105 is the first-generation radar sensor developed by Wavetronix. The
SmartSensor has a range of 200 feet (ft) and collects traffic volume, speed, occupancy, and
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