002 Chapter 2 Cha Cha Dance in the Air

Several other companies were not far behind, and for a while there was a loud bee in the playground, and the strong wind from the propellers blew the leaves on the side of the field, and some half-yellow dead leaves fell one after another, and the early summer forest farm seemed to have entered autumn. The stadium seemed to be turned into an apiary in an instant, and there was a buzzing buzzing sound. These small planes use 2-bladed high-speed saber propellers, which are not bad, but they are too noisy.

The flight plan of the Freezing Point Company was the same as that of the AST Company, and everyone flew towards the mountain peak on the right side of the course, and they flew from west to south, looking for the source of the fire in a counterclockwise direction. The slight difference is that AST relies on the more advanced functions of infrared equipment, and flies more than 200 meters higher than Freezing Point's aircraft, so that they have a wider field of vision and can better find the source of fire.

The performance of the aircraft of the freezing point company is not worse than that of the AST company, which can be seen from the flight speed and the flight trajectory of the two-plane formation, just to save costs, they use domestic infrared imaging equipment, the resolution is slightly lower, 200 meters from the top of the mountain in the air, if you fly high, due to insufficient resolution, it is easy to ignore the fire source at the foot of the mountain. Because there are several peaks with an altitude of more than 1,000 meters around here, the distance from the top of the mountain to the foot of the mountain is not close, and this is still a dense and grassy south, with big trees more than ten meters high, which are in patches, seriously blocking the line of sight, even if you fly very close, the angle is wrong, you may not be able to find the target. In this way, the scope of the freezing point company is smaller than that of the AST company, so that the operator's palms are secretly sweating, if this is lost, it will be a big injustice, they used imported equipment before, only because the leader said to control the cost, only to replace it with a domestic one.

The pilot of Freezing Point, a veteran with many years of experience, designed the optimal flight path on the electronic map in order to check the 30-mile radius in a short time. 5 minutes later, the pilot's eyes lit up, the infrared imaging screen showed that there was a small red bright spot in the left front, which formed a very obvious contrast with the surrounding environment, it seems that this is one of the sources of fire, the corners of the pilot's mouth were slightly upturned, and the mouse moved slightly, pulling the flight path to the left front, as long as the coordinates were confirmed a little ahead, half of the task was completed.

AST company, which was more than 200 meters higher than them, discovered this fire source earlier, and due to the height advantage, the drone of the Freezing Point Company roared in front of it and rushed towards the fire source, and soon left the plane of the Freezing Point Company behind, so angry that the pilots of the Freezing Point Company cursed again and again. Due to cost constraints, everyone uses six-rotor UAVs, and the power is not much different, if the opponent does not fly higher than himself, how can he fly to the front?

Only after a while, the pilot of the Freezing Point Company who was cursing found that something was wrong, and the fire source in front of the left was less than a kilometer away, and at the speed of 20 meters per second of the drone, it could fly quickly, but why was the fire source in front of it getting farther and farther away?

Could it be that the navigation went wrong? He hurriedly checked the data on the ground station, and the GPS signal was displayed normally, but the flight trajectory of the drone was not right, and it was not flying according to the route he set, but was doing irregular maneuvers towards the forest outside, it seemed that there was a magic wall around the fire source point, as long as it was close to the plane, it would do irregular movement, what was going on? Looking up at the AST drone, like his, it seems to be making an uncontrolled irregular movement towards the outer side of the forest. Not only did the mission planes do this, but the surveillance planes that followed behind also flew out uncontrollably. What's going on? I've never encountered it before. Cold sweat broke out on the pilot's forehead.

Suddenly, a member of the AST company in the other corner of the basketball court shouted: "Referee, I want to protest, someone has implemented GPS interference on my plane, this is not fair!" ”

I see! The pilot of the Freezing Point Company also stopped the operation at hand, stood up and protested loudly: "I also protest, my plane has also been interfered with, and it is said that it is a civil aircraft tender, how can there be electromagnetic interference?" ”

The referee was puzzled by what they said, and hurriedly ran to the ground station of the AST company to observe, and the pilot of the AST company pointed to the screen of the ground station and said: "Look, we found the fire source in front of the left, but the plane flew farther and farther, uncontrolled" The referee looked at it for a while, did not speak, and ran to the ground station of the freezing point company to check, the situation was the same.

He trotted to the operation console of Xiaoyu Company and Damai Company, the planes of these two companies flew out from the left side of the stadium, rotating and flying clockwise, and at this moment they had not found any source of fire, and the green mountains and green waters under the belly of the plane were vividly visible, and they were flying normally according to their respective flight paths. When I asked the pilots of these two companies, they all said that they were flying normally, and now he couldn't understand it.

The referee pulled out his phone and ran away a few steps to start talking under a loquat tree. As he spoke, he wiped the sweat from his forehead, and nodded again and again after a while. Then he hung up his mobile phone, strode to the middle of the court, and announced loudly: "Participating manufacturers, our jury has not arranged any GPS interference signal source, according to expert analysis, it may be the natural clutter of the mountain, please correct the data and continue the competition." ”

"Impossible!" The pilots of AST and Freezing Point said in unison.

The referee patiently explained: "I have already spoken to the experts of the jury, and the organizing committee has indeed not arranged a source of interference, please continue the competition."

Before the words fell, the operator of the small domain company jumped up, stared at the screen and yelled, "Which guy is interfering with my plane?" If there is a kind, stand up, what is it to hurt people with hidden arrows? ”

"What's going on?" The referee came over and asked.

The operator said: "Someone interfered with the GPS signal of our plane, and our plane did not listen to the command".

The referee was a little overwhelmed, and suddenly, he thought that the planes of the three families had been interfered with, and only the planes of the Damai Company were still flying, could it be that they did something wrong? I couldn't help but look at Rebus on the side of the pitch.

The referee thought of this, and the others naturally thought of this, and hundreds of pairs of eyes stared at Rebus watching the game from the sidelines. Rebus is usually relatively low-key and looks a little shy, but it doesn't mean that he has stage fright, he innocently spread his hands: "What are you looking at me doing!" ”

Before he could finish speaking, the chief engineer of Damai Company suddenly shouted: "Oh no, someone has implemented GPS jamming!" ”

Now everyone is dumbfounded, all the participating planes have landed, who did it? Could it be that this serious bidding event will end like this?

Just when everyone was puzzled, they only heard Chief Engineer Zhou say coldly: "Carving insect skills, this little trick still wants to stump me?" After speaking, his fingers tapped on the keyboard a few times, and the navigation system was switched from GPS to Beidou navigation, only to see the plane on the screen, slowly approaching the set flight route, and slowly leaning towards the direction of the fire source.

The pilot of Xiaoyu Company also came to his senses and immediately switched the navigation to the Beidou system, and his plane also flew in the direction of the fire source.

AST company and freezing point company pilots are dumbfounded, GPS navigation and Beidou navigation dual system, in the industry is not a secret, there is no difficulty, several products of their company are equipped with dual system navigation, but the prototype that came to the competition, because of the cost of not installed, can only watch them fly farther and farther out of the forest.

The situation is clear, I don't know where there is a source of GPS signal interference, as long as it is switched to the Beidou navigation system, it will be fine, should the game continue? The referee was also unsure, so he couldn't help but call the expert group again.

After listening to the referee's description, the experts said after a brief discussion: "The game continues, the anti-jamming function of the UAV should have it, and the dual-system navigation is also a must!" ”

Unable to overcome GPS interference, Freezing Point and AST had to switch to manual mode, looking for a needle in a haystack in the vast forest. Unfamiliar with the terrain and landforms, there are no landmarks for reference, just with a video camera to watch the ground fly slowly, not to mention that you can't find the fire source, fly a little lower, and you have to worry about accidentally hitting the mountain, which is basically equivalent to automatic elimination.

The drones of Xiaoyu and Damai are now the biggest competitors with each other, and their respective drone operators are doing their best to climb mountains and mountains to find every corner of the forest, hoping to find the source of the fire before the other party. At this time, because the drone of the Damai company carried a mysterious object like a dinosaur egg, the load increased, and the speed was not as good as that of the small domain company. Chief Engineer Zhou shook his head and said: "It's better to come early, it's better to come by chance, such a large area of forest, not just by flying fast can complete the task, but also have brains." ”

There is still a competition going on over the forest, so let's explore where this GPS signal jamming source came from, since it was not cast by the jury? Naturally, it was Wang Xiaoyu and his cousin Xiaoqing who cast it near the two fire source points.

At this moment, under the pine trees on a hill five kilometers to the right of the stadium, a bearded young man was holding a telescope and observing, he was of medium height, a little fat, his hair was messy, and he had a filter cigarette on his right ear, which looked like an anti-aircraft missile diagonally upward. He was Wang Xiaoyu, who failed in the bidding, looking at the drones flying farther and farther (AST and Freezing Point Company's planes), and laughed coldly in his heart: "Aren't you amazing?" Aren't you rich? It's hard for me to use 5 million, and Lao Tzu's 50 yuan gadget will scrap your drone! ”

He also knew in his heart that it would hurt others and himself, and it would not help, but he couldn't resist the impulse of revenge in his heart, so he still took his cousin Xiaoqing to ambush on the top of the mountain of the two fire sources, releasing the GPS signal interference source, and wanted to give those big people a little color to see.

He was proud, the mobile phone rang, as soon as he connected it, he heard Xiao Jing anxiously saying inside: "Brother, no, the four planes on my side have only been disturbed for a while, and they can fly normally, this will be flying towards me, and it will not be long before the source of the fire will be reached."

Wang Xiaoyu said confidently: "That's because they installed GPS and Beidou dual system navigation, as expected, use the laser flashlight in your hand to shoot their locator."

After speaking, he looked at the laser flashlight in his hand, and then looked at the two drones parked on the ground, one red and one white, and sneered: "I have two checkpoints here, and I won't be surnamed Wang if I slip away for you." Thinking of this, I couldn't help but take out a cigarette and light it, spit out a smoke ring, and proudly stretched out my finger to insert it into the middle of the smoke ring. As soon as I looked up, I saw two bamboo poles erected on the hill in front of me, and the outline lines up and down showed that a membrane net more than ten meters wide was hung between the two bamboo poles. It is hung on the mountain by the mountain people, and is used to net birds, such as turtle doves and pheasants, these birds that fly low and like to cross the mountains and passes, often hit their heads into the net and cannot escape their doom. The forestry department has long declared that it is illegal to catch birds in this way, but in these places where the mountains are high and far away, no one cares. Wang Xiaoyu looked at it for a while, and with a bold idea in mind, he pulled out his legs and ran to the hill.

On a hill five kilometers southwest of Wang Xiaoyu, a girl with short shoulder-length hair hurriedly hung up her mobile phone and pulled out a flashlight from her backpack. She is Wang Xiaoyu's cousin Wang Xiaoqing, only two years after graduating from high school, she was not admitted to college, so she came out to break into the world with Wang Xiaoyu. This laser flashlight was bought online by Wang Xiaoyu, and it is powerful enough to light a cigarette. It is said that the effective range can reach five kilometers, and Wang Xiaoyu said that using it to illuminate the gyroscope on the drone, or the receiving module, can burn out the components inside. Experiments have also been done, there is no problem with lighting cigarettes with a laser flashlight, and a cigarette case 100 meters away can also burn through instantly, and it is estimated that there is no problem in burning a low-flying drone.

Theory is one thing, practice is another. Look at these two drones flying closer and closer, Xiao Jing hurriedly turned on the laser flashlight and shone into the sky, this is a green laser, very clear and beautiful at night, but now the scorching sun is in the sky, it is almost impossible to see clearly in the sun, and the first plane in an instant swept over the treetops above Xiao Qin's head, and the pine cones blown by the wind fell one after another, and when Xiao Jing held his head in his hands to avoid the pine cones, the drone had flown towards the fire source point under the mountain three hundred meters away. Wang Xiaoyu once told her that in order to ensure the effect, it is best to irradiate within 100 meters, and there is no way for Xiaoqing to do so.

In her frustration, the second plane flew towards her again, and she hurriedly used a flashlight to irradiate it, but in the daytime when the laser beam was invisible, how easy was it to irradiate a small drone flying in the air? Looking at the drone flying away, Xiao Jing was so anxious that he stomped his feet. She didn't approve of Wang Xiaoyu's childish revenge, but when she thought that the company would go bankrupt and she had to look for a job again, she was also sulking. Since my cousin likes it, let's accompany him to vent his evil anger. This will fly away two drones in a row, which makes her competitive, so she doesn't believe it, and she misses one of them?

Looking into the distance, there are two drones flying slowly, Xiao Jing has a plan, don't you want to fly over the fire source to take pictures and determine the coordinates? I'll turn on the laser flashlight, wait for the rabbit, shine on your path, and let you throw yourself into the net. After visually measuring the distance and direction, she leaned against the trunk of the tree, so that her hands did not shake as much as possible, and a faint green light shot into the sky, which was very inconspicuous in the sunlight.

Not far from the fire point stood three forest policemen, who were in charge of the fire source, and after lighting a fire in the open space with dead tree roots, they stood in the shade of a tree not far from the fire to cool off. One of them also had a video camera in his hand, and he needed to record the performance of each drone that flew over the fire. After waiting for a long time, I finally saw two drones flying over, and I couldn't help but admire in my heart, these high-tech companies are amazing, they hide in an inconspicuous mountain col, there is a small clearing in the middle of the woods, surrounded by high mountains and dense forests, blocking the field of vision of reconnaissance, it is difficult to find if you don't fly.

The first drone approached was a bit strange, it was not like the usual drones on the market, it carried an oval white object the size of a dinosaur egg under the belly, and it looked like it was ready to lay eggs at any time. I saw that it flew to the sky above the fire source point and turned around leisurely, and slowly lowered the altitude, more than ten meters above the fire source, hovering, suddenly the belly of the machine crackled, a white, oval object like a dinosaur egg fell down, and was smashing on the fire that was burning from several firewoods. Immediately afterwards, a loud sound of "bang" was heard, and the white dinosaur eggs exploded, and pieces of white dust splashed around, and a layer of white dust more than a meter high surged on the ground, several square meters in size, like a marshmallow to wrap the entire fire source point, and it took a while before the dust settled. The firewood that was burning just now was quickly extinguished because it was cut off from the air, and only a few dark red wooden charcoal heads remained, unwillingly curling green smoke.

At this time, another drone with a dinosaur egg in its belly flew over, hovering for a while, and the camera in front of it was constantly changing angles, as if it was taking pictures. Later, the two drones circled around the extinguished fire and danced like butterflies frolicking among the flowers. One moment they marched forward in unison, and the other they retreated in unison, and the wings on both sides shook up and down rhythmically, and they danced in the air.

After dancing for a while, I found a policeman with a camera below, and the drone that threw away the dinosaur egg whizzed past the policeman's lens, stretched it, and then folded back, hovered in the air a few meters in front of the camera lens, rotated the axis camera under the belly of the machine, and took a few photos of the three policemen who were stunned. Then the other plane also lowered its altitude, came to the police, hovered in the air, and the left and right wings shook three times in unison, which was regarded as saying hello to the police, and then they both flew away.

The three forest policemen next to him were dumbfounded, and the forest policeman with the camera kept filming the every move of the two drones all the time, and synchronously transmitted the video back to the big screen in the basketball court. It wasn't until the two drones flew away that they couldn't see it, and suddenly heard a forest policeman shouting: "Lose, what can you do, it will hurt Lao Tzu to burn firewood again!" ”。

At this time, the scene of the basketball game has exploded, everyone knows that the two drones carrying "ostrich eggs" are Damai Company, and the ostrich eggs under the belly of the machine turned out to be dry powder fire extinguishing bottles, which are full of dry powder fire extinguishing agent. After finding the source of the fire, he performed a trick of extinguishing the fire on the spot, which was out of the limelight.

The other three companies couldn't help but be annoyed, why didn't they think of it? Only drill the tip of the horns of technology, think about flying higher and farther, and add all kinds of fancy new functions, without thinking more about the practical needs of forest protection and fire prevention? For a while, some people in the playground were amazed, some people were annoyed, and some people couldn't help but burst: "Damn!" I served you".