noffsinger Chapter 767 I gave you noodles to eat, and you actually...
Chapter 767 I gave you noodles to eat, and you actually...
About thirty minutes later, the office door was pushed open, and Squad Leader Ru helped Engineer Chen back. Engineer Chen's complexion was slightly better than before, but he still looked sickly, and his steps were unsteady. He slowly moved to the chair and sat down, trying his best not to let anyone notice anything unusual.
"How are you feeling, Engineer Chen?" Jiang Xia asked with concern. "I still have some montmorillonite liquid here, would you like some? It works really well!"
Engineer Chen forced a smile, his voice still a little weak: "Much better, just a bit of an upset stomach, it took a while. Sorry for taking up everyone's time. Okay, I'll drink!"
Jiang Xia felt relieved to see him return, and recalling the progress they had just made, his tone became lighter. He waved to Engineer Chen, "It's good that you're alright! While you were away, Elder Li and I discussed the detection indicators for high-purity gold and came up with some new ideas!"
"Oh! I'd like to hear more. I hope you'll enlighten me, young engineer Jiang!" Engineer Chen rarely used his scholarly knowledge, while secretly giving Engineer Li, who was watching him with concern, a "don't make a fuss" look. Then, he slowly sat up straight, leaning on the table, and moved to the chair opposite Jiang Xia.
While Jiang Xia was looking down at the blueprints and confirming parameters with the geological leader, Engineer Chen's hand quietly moved under the table.
He found a thick wooden stick about a foot long from somewhere, braced one end against the table leg, and pressed the other end firmly against his lower right abdomen, so hard that the veins on the back of his hand bulged.
When Jiang Xia looked up, he quietly untied the hem of his cotton coat and hid the wooden stick inside, leaving only a small, inconspicuous corner of the coat showing.
"Hey, Jiang, is that a camera you've drawn?"
Engineer Chen leaned forward and asked, feigning curiosity, while using the gesture to hide the cold sweat that had just broken out on his forehead.
"Yes! This is an improvement idea we just came up with!" Jiang Xia pointed excitedly at the blueprints. "I call it a multi-probe spatial gradient measurement array!"
Engineer Chen carefully examined the probes that Jiang Xia had precisely arranged in a specific grid pattern on the blueprint, a glint of understanding flashing in his eyes:
"Brilliant! You mean, instead of simply measuring the absolute magnetic field strength, we should measure the changes in the magnetic field gradient between different probe locations. This would not only allow us to more accurately pinpoint the three-dimensional location and burial depth of the anomaly, but also, to some extent, distinguish the nature of the anomaly source by observing the morphological characteristics of the gradient field? This approach can indeed greatly improve resolution and anti-interference capabilities!"
Jiang Xia gave Engineer Chen a deep look and secretly admired the engineer's sharp eye. He had accurately understood his design intent simply by looking at the arrangement of the sensor heads!
"That's right, why haven't we heard of this person's name in later generations?" Jiang Xia muttered to himself, but then realized what he meant.
Success doesn't have to be attributed to me, but I will definitely be a part of it.
The strength of our motherland is inseparable from countless unsung heroes who laid the foundation for it.
Thinking of this, he was once again filled with a sense of pride in working alongside these predecessors.
He immediately brought out all the improved blueprints he had worked on for half the day, like a child eager to show off to their parents after getting a perfect score.
"Not only that, look here, everyone! This is the main control electronic unit! I added a 'polarization excitation module' to the main control circuit, which can apply a DC pulse current with a peak value of 1.5 Tesla to the probe coil."
The probe is filled with kerosene rich in hydrogen protons. The strong magnetic field generated by the electric current causes the proton magnetic moments to align in a specific direction along the magnetic field. When the polarization current is suddenly cut off, the proton magnetic moments will precess under the influence of the Earth's magnetic field, generating an alternating induced signal.
The frequency of this signal is the proton precession frequency, which is strictly proportional to the vertical component of the local geomagnetic field. The formula is f = γB⊥/2π, where γ is the proton gyrometry, a fixed value of 3 Hz/Gauss.
"Hehe, this formula was taught to me by Professor Zhongyi. Professor Li, could you please check if it's correct for me..."
The geological leader nodded repeatedly, tapping lightly on the drawing: "This approach is correct! The vertical component of the geomagnetic field will be distorted by the underground ore body. By accurately measuring the precession frequency, we can deduce the magnetic field distortion value and thus find the ore body!"
The alliance once proposed this idea.
The problem is, the proton precession signal is too weak, usually only a few microvolts, and easily drowned out by noise, so they abandoned it. How did you solve that?
"Mr. Li, you've hit the nail on the head!"
Jiang Xia pointed out the most critical technical challenge and solution: "Of course, this signal is extremely weak, with a very low signal-to-noise ratio, and is almost drowned out by environmental noise. But this can be overcome by combining the precise local geomagnetic parameters and rock background electromagnetic property data provided by Professor Li with this ultra-narrowband phase-locked amplification technology based on the coherent detection principle!"
By precisely measuring and tracking the frequency of proton precession signals, we can deduce the minute distortions in the magnetic field at the location of an anomaly, thereby achieving accurate identification of highly conductive targets!
Does it look familiar?
Isn't this just a heavily modified, more precise version of the pulse Doppler radar algorithm?
Don't say this kid is being lazy and just copying; their principles are really quite similar!
However, this core architecture essentially combines the principle of a proton precession magnetometer with traditional inductive pulse radar.
However, this kid improved the sensor probe through repeated trials using the "scanner" as his cheat code. He himself was unaware that the system he cobbled together had actually reached the threshold of absolute geomagnetic measurement.
Never mind all that, the core architecture of this radar that observes targets "downward" is now complete!
"Clap clap clap..."
A round of applause erupted in the small office.
Chen secretly wiped away the cold sweat that had slipped down his chin by pinching it.
"Jiang, that's really good! This approach is very clear!" Although Chen's voice was a little weak, his professional judgment was undiminished. "However, considering the portability and reliability of field operations, the intuitive display and recording of data is very important. Shouldn't we consider the data recording method? Adding an analog paper tape recorder might be more practical. Of course, if conditions permit, a small cathode ray tube display would be ideal. However, this system, with its pulse and precession measurements, must consume a lot of power, right?"
"Ha! No problem, Engineer Chen, I have output display equipment that's even better than what you mentioned! But before that, you'll have to sign the 'joint venture agreement' first..."
"Also..."
Jiang Xia looked at Squad Leader Ru.
Sergeant Ru then walked to a filing cabinet, opened it...
What's inside isn't instant noodles, but several thick "dictionaries"...
"Let's look through this dictionary first..."
"After you've finished reading, you can go to Factory 112 and borrow their 'Big Yellow' clone. Use this password to access the forum's sections on new components and interface standards for a preview, okay?"
"Eh……"
Looking at the official titles in the dictionaries, even the geological leader broke out in a cold sweat.
"I made you instant noodles, and you expect me to memorize them?!"