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The basic principle of on-site measurement of guided wave radar level gauge. The guided wave radar level gauge consists of: it mainly consists of transmitting and receiving devices, signal processor, antenna, operation panel, display, fault alarm and other parts.
Transmit-reflection-reception is the basic principle of the guided wave radar level gauge. The antenna of the radar sensor transmits a minimum of 5.8 GHz radar signal in the form of a beam. The reflected signal is still received by the antenna, and the running time of the radar pulse signal from transmission to reception is proportional to the distance from the sensor to the surface of the medium and the level.
That is: h=?H–vt/2?
Where h is the material level; H is the groove height; ?v is the radar wave velocity; t is the interval between the radar wave transmission and reception;
1. Echo to solve the use of new skills:
From the measurement principle of the guided wave radar level gauge, it can be known that the guided wave radar level gauge is used to measure the level of the alarm wave from the probe to the medium and then to the probe to measure the level. There are many mixed signals in the reflected signal. The disturbance signal, because of the solution to the real echo and the recognition skill for the false echoes of each family, changes the key elements that can be accurately measured by the guided wave radar level gauge.
2, measuring data to solve:
Because of the reaction of factors such as liquid level stability and random noise, a small amount of noise must be mixed in the detection signal. In order to improve the accuracy of the detection, it is necessary to stop the detection signal and eliminate the noise.
Through a small amount of experimental research, the adoption of data smoothing methods can achieve the desired results. This method can also invalidate the reaction of the in-can stirrer for measurement.
Huajiang Automation can provide you with the most professional guided wave radar level selection recommendations and the most reliable guided wave radar level gauge products. If you have any questions, we will have professional technicians to help you answer. Bring you help!
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Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn