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Write a C++ function void countDoc(const string\& filename, int\& wordCount, int\& charcount); that calculates the number of words and the number of characters (excluding spaces) in a text file called fil ename. In main( ) , write a test that uses "dat hw7 probl.txt" as the input file, and display the number of words and the number of characters (excluding spaces) on your screen. Synthetic Aperture Radar (SAR) is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects, such as landscapes. SAR uses the motion of the radar antenna over a target region to provide finer spatial resolution than conventional beam-scanning radars. SAR is typically mounted on a moving platform, such as an aircraft or spacecraft, and has its origing in an advanced form of gide looking airborne radar (SLAR). The diatance the SAR device travels over a target in the time taken for the radar pulses to return to the antenna oreates the large synthetic antenna aperture (the size of the antenna). Typical1y. the larger the aperture, the higher the image resolution will be. regardless of whether the aperture is phyaical or synthetic. This allows SAR to oreate high-resolution images with comparatively small physical antennas. Additionally, SAR has the property of having larger apertures for more distant objects, allowing condistent apatial resolution over a range of viewing distances