Three "partners", three years devoted to inventions, failed to count the number of failures. In order to realize the science and technology dreams of ordinary people, they paid a lot of effort and constantly explored and finally developed a magical remote sensing detector .
A few days ago, the reporter met the three “partners” in Lushi County – Chang Xiangdong, Xu Yuejun, and Mosuke. Chang Xiangdong took out the remote sensing detector that condenses their efforts from the carry-on shoulder bag. The reporter saw a device that looked like a toolbox. Inside the yellow dashboard was a variety of switches, knobs, and a display. Four cuboids connected to the dashboard were magnetic transmitters. There was also a metal handle next to it. Chang Xiangdong told reporters: "It can not only prospect, detect drugs, groundwater sources, etc. It can also be used for archeology. Its maximum depth is 300 meters. It is a multi-function detector and can be used in many fields."
"This instrument uses the principle of nuclear magnetic resonance, which is mainly composed of three devices: frequency modulation, emission and reception. After its successful development in October last year, it has helped friends in the mining area to explore the mineral deposits. Now it is preparing to apply for a patent." Xu Yuejun's face was full of pride when he was instrumenting.
Speaking of the original intention of R&D, the three people's expressions were slightly dim. “Three years ago, our friends left the world with drugs and we were very sad. We hope to develop an instrument that can detect drugs and save more lives.” Chang Xiangdong said that at the time he looked Many remote sensing devices are very popular abroad. They have used their own savings and borrowed money. They have spent hundreds of thousands of yuan to buy various remote sensing equipment from abroad. They have opened up their studies and summarized a large number of excellent After the shortcomings, started his own research.
Chang Xiangdong loves physics and chemistry from an early age. Although he has not studied at university, he taught himself a lot of electronic expertise in high school. In 1995, he often opened a small shop to the east, repaired mobile phones and computers while designing electronic products commonly used in daily life. He had successfully designed the fish tank automatic control system and irrigation control system. He was very proud of this.
Xu Yuejun, a friend of Chang Xiangdong for many years, and Mosuke had a period of working experience in the mining area, and also had a certain understanding of the detector. It was learned that Chang Xiangdong wanted to develop a remote sensing detector. Three people were able to get it together. Since 2011, they have been developing and experimenting for three years of "partnership."
"I studied the circuit of many detectors, but I was not satisfied with it. Later I designed the circuit myself and bought a dedicated chip and power supply." Chang Xiangdong has mastered the circuit knowledge and pursued perfect character. A number of unique devices have been designed for remote sensing detectors.
Xu Yuejun and Motsuco, with their years of experience working in the mining area, have made considerable efforts to find experiments on different material frequencies. According to Xu Yuejun, they contacted the hospital's friends and swept the sedatives to find the frequency of the same components as the drugs so as to realize the detection of drugs. Mosuk said: "Every object has its own frequency, and we three people are constantly sweeping in the field, and a few layers of skin are sunburned on a summer face, but we never thought of giving up. That time neighbors We all think that we are crazy, and our relatives and friends do not understand it."
In the face of people's criticism, the three "partners" who had not been in a doubtful year not only did not withdraw, but instead invested more enthusiasm. In order to accurately detect a signal on the edge of the cliff, he often lost his foot to the east, causing his waist to be injured. However, he only spent half a month lying at home to continue experimenting. When testing the extreme distance of a remote sensing detector, three people interact with each other. One person places items in the tunnel of a highway and two people stand on top of the mountain to measure...
Persistence and effort have resulted in valuable data and gradually accurate instruments. However, long-term financial input has made their lives tight. In order to maintain their livelihoods, Dong Xiang’s wife often starts to go out to work. Chang Xiangdong said: “We really love this invention very much. Even if we borrow money, we must continue.” In order to use the money for the design of core technologies, they save all the savings that they can save and buy one from the scrap purchasing station. The suitcase is used as the shell of the FM device, but after the parts purchased from the outside are installed, it is found that the size or material is not accurate enough. Even if the price is expensive, they still choose to abandon it all...
During the interview, Dong Dong often took out a number of yellowed papers, which recorded dense data. The frequency of each kind of object was the result of their hard exploration. “At present, this remote-sensing detector can be prospected, archaeologically, and can also provide assistance for criminal investigation . The accuracy is much higher than many similar detectors, and it is small and easy to carry,” Chang Xiangdong explained to reporters. After the Spring Festival, they and some probing enthusiasts went to “Treasure Hunters” in the city of Shandong, where he first detected silver signals in a village. “Following the directions indicated by the detectors, we calculated the volume of the target using a trigonometric function and determined the location. After verifying with the villagers, we learned that there were 140 sterling silver coins buried in the households of the farmers, which was uploaded by the ancestors.” These are often very excited to the East.
The magical ability of remote sensing detectors quickly spread among friends. In recent days, three people are preparing to go to Lingbao to explore friends with their instruments. “Next, we must continue to improve the accuracy of the instrument, collect more frequency of objects, hoping to help more industries, contribute to the development of society.” Chang Xiangdong said.

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