Meet the principal

Act 487. Analog Signals and Digital Signals

A genius can remember the address of this website in one second: (Vertex Chinese), the fastest update! No ads!? In the large conference room of the Dawn Treader, at one end of the long circular table, there are several black crystals lying quietly on the table These are the data from multiple detector surveys of the large void in recent days.

Broly Augustine from the Storm Council raised his hand, and one of the crystals slowly floated up and flew into the center of a temporarily arranged magic circle. With the injection of magic power, the magic circle began to glow, and the crystal A projection appeared inside, which was the data it collected.

This data looks like a slightly undulating but generally stable horizontal line, representing the concentration of magic power around the detector. The detection method is to use a material that is extremely sensitive to magic power to make a probe, and the probe is exposed to different magic power concentrations. A small amount of magic power or current will be generated for detection. Therefore, the range of this detector has a certain range. If its range is exceeded in a short period of time, the instrument will be easily damaged.

After amplifying it, people did not see the expected short-term peak like the feedback from Lord Alberton's detector. Next, the high-level mages looked at several other data, but found that there was Some images have short-term high peaks, while others do not.

"Is it because these detectors were destroyed when they detected the wave crest?"

Wilder Regens touched his chin with sparse beard again. At this time, the data of about sixteen detectors were drawn on the paper, floating in front of people's eyes, and compared one by one.

"Or the resolution of these detectors is different, and some detectors are unable to detect signals that appear in this extremely short time."

Eagles Field looked at Reiner. He knew that Reiner was currently working on a device called a magic computer. Field also received a sample, in which some of the signals were transmitted in a manner similar to the signal collection method of the detector. He thought Reiner might be able to see something.

“Is there any specific performance data for these detectors?”

Reiner looked at the person in charge of the observation post, who immediately nodded and took out the previously organized documents from his storage bag.

It can be seen that these detectors generally have extremely high resolution. However, some detectors use analog signal input, while others use digital signal input.

The mages have improved their communication mechanism several years ago in order to deal with the errors that may occur during the transmission of magic signals. Originally, all information would be recorded into the magic crystal as it is, and then played back as it is. Such a process can easily be affected by external magic, leading to distortion and errors.

As a result, under the promotion of Lord Braggs, the process of replacing analog signals with digital signals began rapidly.

To put it simply, digital signals are collected at certain time intervals, and at the same time, the collected signals are compared with the reference signal, and converted into discrete signals with fixed values ​​according to certain rules for storage. During playback, the discrete signals are directly Play it back and you will get the original image.

The advantage of digital signals is that they can minimize the possible impact of external magic on the signal transmission process. The disadvantage is that it cannot "truthfully" transmit the situation at the time to a certain extent. However, with the improvement of magic technology in recent years, The accuracy and resolution of digital signals are getting higher and higher, and they are almost indistinguishable from the original analog signals. Because of this, Reiner avoided a lot of trouble in the process of developing the magic computer.

Reiner noticed that although most of these detectors collect digital signals, there are also some models that use analog signals. At first, he thought it was because the sampling interval of digital signals was too long compared to the impact time. The reason, but after carefully checking the corresponding models and function images, he found that whether it was an analog signal or a digital signal detector, some detected the wave peak, and some did not.

Sir Alberton's detector naturally uses digital signal transmission.

Although its accuracy and resolution are higher than those of previously used detectors, it is not actually out of the scope of digital signals.

"Although it can be explained by simple individual differences in detectors, I still think that there may be something hidden behind the pattern of signal appearance."

Lord Alberton looked at these contrasting images and said.

Indeed, before this strange crest was discovered, people simply believed that the magical nature of this large hole was no different from the outside. But after discovering it, no details could be ignored.

Reiner went through the performance data of these detectors again, this time focusing on the differences between those detectors that showed peaks and those that did not.

At this time, Reiner suddenly had a burst of inspiration.

This fleeting inspiration quickly turned into his actions. Reiner put down the document and asked aloud.

"Can you show me the equivalent of these detectors?"

Hearing Reiner's inquiry, the person in charge of the observation post was stunned. He didn't know what Reiner was thinking.

But he quickly nodded and took out the drawings from his storage bag.

This design drawing is not a simple floor plan, but a high-level drawing that can be projected as a whole after inputting magic power. The observation outpost has made many measurements before, and in order to repair the detector, they naturally received the corresponding design drawing.

Reiner injects a little magic power, and the drawing on the original plane blooms with a ray of light, and the image of a cylindrical detector is projected on the paper. According to Reiner's idea, this detector can also decompose itself and magnify any part. Structure.

"This is the detector that picked up the crest."

The person in charge of the observation post said.

Everyone looked at the detector in front of Reiner, but they couldn't see anything special.

Reiner studied the detector carefully and confirmed it with the inspiration in his heart. He did not rush to a conclusion, but asked the person in charge to take out the drawings of several other detectors and check them one by one.

Soon, Reiner finished checking the design drawings. He put them down and breathed a sigh of relief. At least for now, his guess was consistent with the facts.

"What's wrong, Reiner?"

Field came up and asked. He also checked the design drawings together, but didn't see any clues.

"I have a guess, Mr. Field."

Reiner said that he inspired two design drawings at the same time, one with an abnormality detected and one without an abnormality detected.

"Although the detectors we release for large voids are of various types, in general, they can be distinguished into two categories by a certain characteristic."

He pointed to one of them, a cylindrical detector with a light-sensitive magic crystal that could project what it saw.

“That’s those who have the ability to shoot and those who don’t.”

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