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Xu You's sudden thought broke the traditional way of thinking.

For a long time, the industry has used ultrasonic technology to measure the depth of the seabed.

The reason is that the frequency of the ultrasonic wave is high, and when it propagates in a directional manner, the phenomena of transmission, reflection and refraction similar to that of light can appear on the interface between two different media.

Therefore, when the ultrasonic wave hits a hard object on the seabed, it is reflected, and thus the distance can be measured.

However, in actual situations, because the properties of seabed materials are different, there will be more or less errors in the measurement of seabed depth by this method.

At the same time, this method can only measure depth, and cannot measure more other data.

What Xu You suddenly thought of was to use electromagnetic waves instead of ultrasonic waves to conduct seabed surveys.

In fact, Xu You can have such an inspiration, and it has a lot to do with the matter of "Mr. SPY".

Although "Mr. SPY" put Xu You in danger, it also allowed Xu You to learn more about the secrets of electromagnetic waves.

The properties of many specific types and frequency bands of electromagnetic waves are not recorded in the existing materials and documents.

By using some special electromagnetic waves, it is not only possible to achieve accurate distance measurement, but it is also possible to directly analyze the specific geological structures of various places without digging.

"It's a pity that the Quantum Computer is not with me now, and I can't use its powerful computing power to help me with calculations."

At this time, it would be a bit too much trouble to go back on purpose just to use the computing power of the algebra.

It's a pity for Xu You that the current quantum computer is too big to carry around.

Thinking of this, Xu You first estimated the calculation amount of this task in his mind.

"It is only necessary to analyze the properties of electromagnetic waves in various frequency bands, and there should be no need to use the computing power of quantum computers."

Xu You decided to use his personal computer first to see if the computing power was enough.

If it's not enough, think of other ways.

"It's time for our Fulong Technology to develop in the direction of computers." Xu You thought.

The previous generation of Fulong mobile phone has become the most comprehensive mobile phone in the world, and after the successful development of domestic EUV lithography machine, the chip problem has also been solved to a large extent.

This time is a good time to enter the computer industry.

However, before that, Xu You could only use the computer at hand.

Fortunately, after mastering the "wireless brain computer" skill, Xu You has already replaced it with a more powerful personal computer.

As long as it is not a particularly complicated calculation problem, it should still be able to be solved with this computer.

"Turn on the wireless brain-computer state!"

After connecting with this personal computer, Xu You started the brain simulation state at the same time.

Compared with the powerful computing quantum computer, ordinary personal computers are indeed much worse in computing power.

But the calculation speed of the computer is still much stronger than the human brain.

Soon, Xu You successfully simulated the properties of one electromagnetic wave frequency band after another in his own brain.

"Sure enough, it is actually feasible to use electromagnetic waves to measure the depth of the ocean!"

Normally, electromagnetic waves are not suitable for measuring the depth of the ocean.

Because compared with sound waves, when electromagnetic waves propagate in water, the energy attenuation speed will be very fast.

Before reaching the deep sea, the energy of the electromagnetic wave may be exhausted, let alone propagate back.

But after many simulations, Xu You found a special electromagnetic wave frequency band.

The energy loss of this kind of electromagnetic wave in water is relatively slow, so there is no problem at all if it is not measuring a particularly deep sea area.

The target of this measurement, the Baodao Strait between Fujian Province and Baodao, has a depth of less than 100 meters, which fully meets this condition.

In addition, compared with another advantage of ultrasonic waves, these electromagnetic waves can detect geological types after adjusting the frequency band.

If the detection of geological types has a high accuracy, not only can a lot of on-site sea survey work be saved, but also the safety of the cross-sea bridge can be guaranteed to the greatest extent.

After all, underwater geology is complex and likely to change to some degree over time.

With a complete electromagnetic wave detection system, geological conditions can be detected in real time to prevent problems before they happen.

After completing the entire simulation process, Xu You made the corresponding experimental equipment with the help of several engineers.

When Xu You wanted to experiment with the effect of the equipment, Xu You met Tang Zhen from the project team.

Tang Zhen is a famous bridge expert and exploration expert, and also one of the core members of the project team.

After seeing Xu You, Tang Zhen also greeted him warmly.

"Professor Xu, where are you going? Why haven't I seen you these days? What are you up to?"

Tang Zhen respected Xu You very much, but Tang Zhen didn't expect that Xu You would really help this project much.

After all, there is a specialization in the field of science, and it is difficult for a physics professor whose main research direction is condensed matter physics to make any contribution in architecture and exploration.

"Professor Tang, I have researched a new detection device in the past few days, and I am going to test it to see the effect."

Hearing Xu You's words, Tang Zhen regained his spirits.

"New detection equipment? Is Professor Xu going to help us with the seabed survey?"

"Not yet, just a simple test first. If the effect is good, you can consider optimizing and promoting it later."

Tang Zhen knew that although Xu You did not engage in related research, Xu You was not an idler after all.

Since Xu You intends to make some achievements in this field, Tang Zhen naturally believes in Xu You's ability.

"Professor Xu, can I go with you?"

"Of course, the presence of an expert like Professor Tang will definitely help us more. Let's go together."

Saying that, Xu You, Tang Zhen and others came to the seaside of Fujian Province together.

This neighborhood is the closest to Baodao in a straight line. If there is no accident, the future cross-sea bridge will be built here.

"Master, tie the device to the side of the boat, and it will automatically measure."

In order to prove the accuracy of the measurement data, Xu You specially selected areas that had been measured by the previous project team.

After the ship traveled back and forth on the sea surface, the seabed survey data of a small section of sea area was measured.

After bringing the device back, Xu You transferred the data to his computer and analyzed the data.

Tang Zhen carefully looked at the data in the computer, his brows were slightly frowned, and his mouth gradually opened wide unconsciously.