Ultrasonic ranging LC1602 display experiment 2
2016-08-23
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At present, the measurement of the velocity and time of the wave propagation is generally used in the media. Common techniques areThree kinds of ultrasonic ranging for laser ranging and microwave ranging. Laser ranging. This is the use of laser monochromatic and phase transmissionThe speed of V is easily influenced by the air temperature, humidity, pressure and other factors, which is dry, strong, and so on.Achieve high-precision measurement and detection, such as the amount of length, distance, speed, angle, etc.. Handheld and portable rangingMeter, the distance is hundreds of meters to tens of kilometers. General application to remote measurement. Microwave radar ranging is the target of the use ofThe target was detected and its position was determined by the electromagnetic reflection.. Depending on the microwave radar, the target may be determinedAircraft, missiles, vehicles, buildings, rain etc.. Microwave ranging is generally applied toc
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