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MILLIMETER WAVE IMAGING SYSTEMS AND METHODS USING DIRECT CONVERSION RECEIVERS AND/OR MODULATION TECHNIQUES
MILLIMETER WAVE IMAGING SYSTEMS AND METHODS USING DIRECT CONVERSION RECEIVERS AND/OR MODULATION TECHNIQUES
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机译:使用直接转换接收器和/或调制技术的毫米波成像系统和方法
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摘要
Examples of active millimeter-wave imaging systems are described which may utilize modulation schemes to provide illumination signals. The use of modulation techniques may allow for the use of direct-conversion receivers while retaining an ability to separate desired received signal from self-jamming and/or DC offset signal(s) generated by the direct-conversion receivers. In some examples, modulation schemes include the use of balanced orthogonal codes which may support MIMO or massive MIMO imaging systems.
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