Chapter 665: Battle Axe Breaks

The offensive of the coalition forces, which began on the 13th, can almost be said to be unfavorable. Pen, fun, and www.biquge.info

Before the establishment of the information system, I am afraid that only a few people have a clear idea of how the US military will fight. However, for Hu Wenhai, the insights of 30 years have long made information-based warfare less mysterious.

It can even be said that as the main person in charge of a semiconductor factory, Hu Wenhai's understanding of informatization is clearer than anyone in today's world.

As a world-changing war, the Gulf War received too much research and attention for the next three decades. As a military fan, Hu Wenhai has read countless analytical papers and data.

Some of these words decompose the technological superiority of the US military from a high-tech perspective, and what role systematic informationization has played in operations.

Some articles take a different approach -- for example, from the perspective of Iraq, considering how to counter the US military's methods of warfare.

This kind of article can be said to be very prosperous in China in the 90s. For example, the more representative ones are how to use the J-8 against the F22, how to use ballistic missiles to hit aircraft carriers, and how to use the modern decisive battle against the 88th fleet......

Of course, most of these ideas are unreliable. But this did not affect some of the brain holes, and in the end they were really recruited.

For example, ballistic missiles hit aircraft carriers, although everyone talked about it on the Internet in full swing back then, it seems that it has really become a killer weapon of our army. But in fact, both the author and the reader understand perfectly well that only aircraft carriers are capable of fighting aircraft carriers.

But who would have thought that after the past 20 years, a group of uncles watched the spokesman of the Ministry of Defense rush to answer reporters' questions, and the stinky display of the anti-ship capability of the Dongfeng 21D was basically watched on their knees......

We just opened a brain hole back then, but I didn't expect you to take it seriously, rabbit!

It can be seen that many of the words of those years actually had some merits.

Many of the local methods used to deal with the US offensive system have also been proven to have unexpected results.

For example, against the laser guidance of the US military, a black wet cloth can basically disable a 1.06 to 1.6 micron laser. Of course, this is slightly more expensive, and it is necessary to ensure that the cloth surface is free of dust.

In addition, to prevent laser guidance, we can also use the method of creating smoke, and such a simple defensive means as burning tires can make the US military's high-tech helpless.

Under the premise that Saddam Hussein has mental calculations and no intentions, laser guidance has almost lost 50 percent of its combat effectiveness. And GPS guidance has long been pondered by later generations.

To put it simply, GPS navigation uses the time signal emitted from the satellite in space, compares the time with the accurate clock built into the locator, and then compares the orbital position of the satellite to obtain the accurate three-dimensional coordinates.

Of course, Iraq does not have the ability to poke down the GPS satellites of the United States, but the satellite signal from space to the ground needs to go through a long distance, and the power has already been seriously attenuated. This is the reason why the early GPS signal could not be located if it was slightly occluded.

The simplest GPS interference is to simply block the GPS signal channel in an area. However, this jamming mode has a limited effect on military GPS interference, and military GPS and civilian use different channels and spread spectrum encryption methods, and can use frequency hopping and destroying jamming sources to confront each other.

If you want to fight against military GPS, you must camouflage GPS signals to achieve the ability to interfere without knowing it. Of course, this still requires cracking the GPS encoding rules in order to send fake signals to mislead the enemy. Not to mention that the U.S. military will change the encoding rules as soon as it is discovered that it has been cracked, it is already an impossible task to decipher the GPS signal of the United States.

But if you just want to interfere with the positioning accuracy of GPS, there is actually a very simple way, that is, you can just broadcast the GPS signal "earlier" to the outside at a higher power.

Because GPS positioning is based on the ability of precise timing, once the time of the signal does not match the actual time, then the accuracy of the positioner positioning is not reliable......

There are many advantages of this kind of interference, for example, the US military cannot detect it immediately, cannot attack the source of interference, cannot solve the problem by changing the encryption rules, and does not need to crack the encryption signal. The most important thing is that its technical implementation is very simple, and there is no difficulty in achieving it at the level of Iraq's technology.

In 1990, the Americans had just brought GPS to the battlefield, and not many people thought of it. But Mr. Hu is clear about GPS signals!

In the war in the early morning of the 13th, in addition to the two big dramas of the Black Hawk Fall and the Nighthawk Fall, there was actually a far-reaching drama that was quietly staged.

However, this time, at least on the surface, there were no casualties among the US military.

On the battleships Wisconsin and USS Missouri, almost at the same time as the F117 dropped laser-guided bombs, huge fires began to erupt from their hulls. Flames rose from the hull of the ship and rushed towards the land at the end of the sea.

This is the famous "Tomahawk" cruise missile in the future, and the US military launched a full 52 of them in one go at the first moment of the war, using one-tenth of its combat stockpile.

Obviously, the US military has high hopes for cruise missiles.

However, the shining debut of the Tomahawk cruise missile is now gone.

In President Hu's plan, the US military will adopt three-dimensional means of warfare. In the final analysis, the contest in modern warfare is no longer about the soldiers' personal bravery and ingenuity, but about the ability to project firepower from both the enemy and the enemy.

The US military's all-out strike plan really scared Saddam Hussein, who could only advance on the front. During the 10 years of the Iran-Iraq war, Iran failed to achieve a real threat to Baghdad, and the war was basically flat and linear in Saddam's head.

In President Hu's plan, the US military will not only be able to advance on the front line with all kinds of advanced weapons and equipment, but also be able to burn the war to the entire territory of Iraq, especially the capital Baghdad, which will surely receive the warmest hospitality.

Baghdad is Saddam's base camp for more than 10 years, and if the US military destroys a large number of various combat facilities, it will seriously affect Saddam's ability to control the armed forces. For a military dictator like him, there is nothing more fatal.

So almost without reservation, Saddam Hussein fully agreed with Jamal's plan for the defense of Baghdad.

Fifty-two cruise missiles struck, and Iraq was on the verge of a great enemy. However, to the surprise of both sides of the enemy, the power of the Tomahawk cruise missile was completely different from what was imagined. Even the enemy that Jamal has a full defense against the enemy's ultimate, but in fact it is a feeling of fresh breeze.

The targets hit by 52 cruise missiles are in the single digits, which is a bit embarrassing.

In the final analysis, cruise missiles were originally developed by the Americans and used to bully small countries that are not divided into systems and fight a dozen asymmetric wars.

The guidance mode of the Tomahawk cruise missile adopts an inertial guidance + terrain matching system. The so-called inertial guidance relies on the inertial data fed back by the gyroscope to judge the flight distance and direction. There's a distant version of this thing, which is the angular rate sensor in future smartphones.

The angular velocity sensor in the mobile phone may cost only a few hundred yuan. However, the mechanical gyroscope on the missile is extremely expensive. But even if it is a gyroscope made for millions of dollars, it will actually still have a lot of errors. This kind of error may be acceptable within a range of several tens of kilometers, but after it is expanded to thousands of kilometers, it will immediately have no real combat significance.

So the guidance mode of the Tomahawk cruise missile, there is also a terrain matching technology. To put it simply, it is to measure the terrain height of a predetermined location with radar. Within the allowable range of inertial guidance error, the surrounding terrain is scanned, and then compared with the electronic map stored in the computer, and then the error caused by this distance is eliminated.

It is said that in this way, the error of cruise missiles is also acceptable. Originally, in the Gulf War, POW cruise missiles relied on this technology to control the terminal error within 15 meters.

But that was the case in the original history, the Iraqi defense system was full of holes, and the telecommunications building, the central system of the entire war, had been completely blown up by F117. Saddam's orders could not be conveyed at all at the beginning of the war, and the radar data from outside could not provide Saddam Hussein with strategic decisions.

In Mr. Hu's history, Iraq's defense system has begun to take shape after the transformation of the 7 billion project. Although the rabbit asks for money ruthlessly, the product given is at least a conscience.

For example, the JY-8A fire control and JY-9 medium and low altitude search radars, the Square Tie early warning radar, the JLP-40 air search radar, the ESR-1 warning radar and the Rice-Lamp fire control radar have basically been used by Iraq.

Iraq's own system has not been destroyed, and the unimpeded radar network has immediately shown its tremendous lethality against cruise missiles.

Thanks to Iraq's desert terrain, the cruise missile's terrain matching system requires undulating terrain to correct for positioning errors, which cannot be provided in the long desert from the Gulf to Baghdad.

In other words, the route of the US military's Tomahawk cruise missiles has been greatly restricted. Of course, this is not a big problem for the historically broken Iraqi defense system. But the situation is different for Iraq, which is not the same today.

Deploying radar on the undulating terrain through which several Tomahawk cruise missiles must pass, and then deploying a few Shilka self-propelled anti-aircraft guns, could easily slaughter incoming cruise missiles one by one, like slaughtering turkeys.

The disadvantages of cruise missiles are actually very large, slow flight speed, low flight altitude, insufficient anti-jamming capabilities, insufficient explosive power of the warhead. Its advantages are mainly two points, one is that it is cheap enough, the price of a million dollars a piece, compared with ballistic missiles, it is really far behind. The other is that it can plan the route and use low-altitude flight through the gap in the enemy's radar network, so that it can launch an attack on the target without realizing it.

However, Iraq's radar network was relatively sound at this time, and on the eve of the war, under the cover of carrying out a major strategic adjustment, Saddam Hussein also replanned the radar network, and arranged sufficient radar and interception equipment on the possible cruise missile routes......

Fifty-two cruise missiles, more than thirty were knocked out before they even approached Baghdad. The remaining two dozen or so went through a lot of hardships before they reached the area around Baghdad. After all, it is impossible for the Iraqis to guess all the routes planned by the US military, and it is normal for some fish to slip through the net.

However, just after the Tomahawk cruise missiles entered the terminal guidance mode, they could no longer hide in the face of Baghdad's tight radar network.

After receiving the notification, Jamal immediately ordered the GPS jamming system to be activated, and the GPS signal received a few minutes ago was repeated with more power.

The Tomahawk cruise missile in the terminal guidance mode, after the GPS signal correction, turned out to deviate more from the predetermined position. The GPS signal was not lost, but conveyed the wrong information, which the non-intelligent Tomahawk cruise missiles did not detect at all, still making the final correction according to the GPS signal of a few minutes ago.

Most of the cruise missiles that arrived in the Baghdad area lost their targets as a result, so they could only find a random target around and plunge headlong.

The remaining cruise missiles found the reference urban terrain in time, and then turned on the "Digital Scene Matching Area Association Guidance System" for precise guidance at the end, which is actually through the infrared CCD camera to match the scene around the target around the end section. Satellite imagery is compared with the intended target to determine which building at the end of the attack was carried out.

However, in the face of the large number of camouflage tools left by Mr. Hu, there is a trend of changing the urban area of Baghdad overnight.

It was not that it had become more pretty, but that after Saddam Hussein learned the working mode of the cruise missile, he simply made a ruthless effort to "artificially correct" the terrain near some important points in Baghdad -- he used explosives to blow up the matter.

Before the American missiles arrived, the image around the important target had already been changed. The Tomahawk cruise missiles in the 90s were equipped with computers, but they did not have the ability to read maps intelligently, and they were dozens of streets away from Baidu's map recognition.

At this time, the imagery of key areas in Baghdad, whether it is infrared signatures or edge recognition, not to mention satellite image matching, these technical means are already seriously unreliable.

As a result, only a handful of these cruise missiles have achieved their mission, hitting their intended targets, and the damage caused is almost negligible.

Blowing up his own capital without waiting for the enemy to come is something that only Saddam Hussein can do.

In this way, the tactical goal of the first offensive of the Gulf War, the US military was almost completely bankrupt. A serious question is in front of Schwarzkopf: how is this war going next?

Is the group of planes that are taking off still attacking Iraq's tight defenses in accordance with the established plan? Is the US military ready to suffer greater casualties? With a phone call from Washington, all these questions have an answer.