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MITIGATING COMMON MODE DISPLAY NOISE USING HYBRID ESTIMATION APPROACH
MITIGATING COMMON MODE DISPLAY NOISE USING HYBRID ESTIMATION APPROACH
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机译:使用混合估计方法缓解共模显示噪声
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摘要
A processing system configured for capacitive sensing includes sensor circuitry with fimctionaiity to acquire an absolute capacitive profile for sensor electrodes, and acquire a transcapacitive image using the sensor electrodes. The processing system is configured to create a first estimate of common mode noise using the absolute capacitive profile and the transcapacitive image, determine a location lacking an input object in the transcapacitive iniage using the first estimate of common mode noise, create a second estimate of common mode noise based on the location and the transcapacitive image, detemiine positional information of the input object using the second estimate of common mode noise, and process the positional information.
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