Remote sensing is a comprehensive discipline.
It is suitable for use in high altitudes and is a non-contact, long-distance detection technology.
Therefore, we rely on various sensors to collect information such as electromagnetic radiation, reflection, and scattering of objects, infrared scanning, electric fields, magnetic fields, and electromagnetic waves, and then extract and judge the information. The results are obtained through application software in a computer.
The most common applications are on satellites, airplanes, hot air balloons, and other carriers. Drones are a later development and are mainly used in surveying and mapping.
Just like a real-world car on a map.
Each time a satellite adjusts its orbit, it increases its lifespan. Satellites are small to begin with, and the kinetic energy they carry is very small; they only last a few uses before they are depleted.
If the satellite is used exclusively for surveying and tracking, its lifespan will be directly affected, which results in the high cost of the commercial satellites developed by Xing Baohua.
How to reduce costs?
Xing Baohua thought of drones.
Drones combined with remote sensing are more convenient, and even more useful, than satellites for real-time mapping and street imagery.
The American Global Hawk also seems to have appeared in the 1990s. Xing Baohua doesn't remember which year it was, but it was very imposing when it first appeared.
It has a strong science fiction feel.
Therefore, Xing Baohua was considering whether to also develop a drone project since he had brought in a group of students from the School of Surveying and Mapping.
In the civilian sector, it shone brightly in the later stages of the civilian market. Its applications are extremely wide-ranging, including weddings, advertising, film and television, and agriculture.
Take film and television shots as an example. When high-altitude shots were needed, in those days, one would either rent a crane or a helicopter.
I work in hardware, so I don't need to ask for favors, and my software team is also very large. Plus, I'm currently developing an optical lens. Look at all these advantages. Why wouldn't I take the plunge?
Many people even mistake remote sensing for remote control.
These are actually two different concepts. Remote control is a technology that uses communication media to control objects at a distance. It consists of an operating device, an encoding device, a transmitting device, a channel, a receiving device, a decoding device, and an actuator.
Remote sensing is far more complex and even more advanced than remote control.
To put it in a slightly exaggerated way, if we launch a multi-functional remote sensing satellite into space to scan a planet, we can know the planet's mass, structure, and even how many minerals are in it.
But remote controls only have a few functions; to put it bluntly, a TV remote control cannot be used as a metal detector.
Besides the technological challenges, motors are also a major hurdle for civilian-grade drones.
It is small in size, has a high rotation speed, saves energy, and has a large thrust.
Based on these few elements, Xing Baohua knew that his tiny motor assembly might not be able to keep up.
This isn't a motor for a tape recorder, nor is it a motor for a small household appliance; it's a motor for a drone, which presents a challenge for the existing team.
We need to compile the data of the drone motor, which is the design data. To get it airborne, we need to calculate the rotational speed and convert it into the thrust-to-weight ratio.
There are fixed formulas for conversion. However, technically, continuous improvement is needed, and the challenge lies in portability.
Xing Baohua thought about it and decided there was no rush. He would first produce a few toy-level models to accumulate some experience before going for something bigger.
Of course, he won't make it as big as the Global Hawk, but he will test a few models and provide ideas for a certain department.
If you inform the relevant departments in advance, don't underestimate these few hundred dollars; they can determine the outcome of a battle and even change the course of operations.
Wouldn't it be astonishing that such a tiny aircraft could rout a massive steel torrent?
It's hard to believe; without real-world testing, no one would believe it's true.
Dealing with this thing is very costly; it's like using a cannon to kill a fly—it seems to make sense. Millions of missiles are spent on this thing, and even if you manage to shoot it down, the loss is painful.
That afternoon, Xie Yingying arrived with several invitation letters, all mailed from overseas.
Xie Yingying reported to Xing Baohua that these invitations were all for Da Mi to attend a meeting on industry standards. The other letters were similar in nature, with two of them being for a new product launch.
The first letter's industry standard was initiated by Texas Instruments, which surprised Xing Baohua, as this behemoth is usually very low-key.
Sometimes you can forget they exist, especially companies like Texas Instruments and Fairchild. When you hear they've gone bankrupt, you're not surprised. You'd think they were already bankrupt!
Of course, this is because they don't like to be in the media spotlight, and most of them make their fortunes quietly.
Looking at the participating companies, apart from a few well-known ones, I hadn't heard of most of them.
If such industry standards existed before, Xing Baohua would have been more enthusiastic than anyone else, and he might even have wanted to get involved. But he can't now! Isn't this on the CIA's list?
Going there would be suicide. Even if they didn't resort to despicable means, they could openly detain you for plenty of reasons.
So it's best not to go abroad.
Xing Baohua felt this was a trap. He was used to digging traps for others, but not to jumping into other people's traps.
And look at the Alphatec new product launch – it's clearly a copy of the rice launch. When we had our launch, they sent people over too, a reciprocal gesture. So let's have Secretary Dong go out and see the world. The world is so big; we can't just stay cooped up in rice appliances. This trip will be to inspect Alphatec, Siemens, and Philips.
Take a look at their new products; maybe we can keep up with them too.
Tell Xie Yingying to inform Secretary Dong that, apart from skipping the Standards Meeting, they should prepare to go out for a stroll according to the time and address on the invitation.
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