As homes get smarter, there is an increased need to add more intelligence, increase energy efficiency, and lower the carbon footprint of the appliances, all of which allow for the integration of millimeter-wave (mmWave) radar sensors. mmWave radar has many unique advantages over traditional motion and presence detection sensors. mmWave radar has high sensitivity to motion detection and insensitivity to the changing environment as well as higher accuracy. In home appliances, such as air conditioners and major appliances, mmWave radar can provide a variety of intelligent experiences that can help save energy and reduce carbon emissions. mmWave radar's unique technology advantages can empower smart homes.
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Millimeter wave is a radar technology that uses short-wavelength electromagnetic waves. Radar transmits electromagnetic wave signals that are reflected by objects in the signals' path. By capturing the reflected signal, a radar system can determine the range, velocity, and angle of the objects. TI’s mmWave radar devices integrate both analog and digital components which include analog components such as transmitter, receiver, clocking, and digital components such as the ADC, MCU, memory, and hardware accelerator. These are different from traditional discrete components and can reduce power consumption and overall system cost. To understand the principle of mmWave radar, please see the white paper The fundamentals of millimeter wave radar sensors.