There are many different types of military technology that civilians may not be familiar with. Some devices only have military applications while others, such as radar (radio detection and ranging), have found their way into different areas of our lives. Radar systems have changed quite a bit and become much more accurate since they were first developed. This is partially due to the introduction of the monopulse comparator into modern systems. Here is a look at radar in general as well as how these devices have improved technology so much.
Although radar systems were initially used by the military to detect approaching aircraft and other potentially hostile objects these systems are being used in many other ways these days. Motorists are likely familiar with the guns used by police in order to detect speeding vehicles. The signal can bounce off of a vehicle and travel back to the gun in order to give the officer an idea of how quickly a particular car is traveling.
Meteorologists have also started using these systems to monitor the weather and create forecasts. They can be very helpful if a severe weather system is expected. Radar can be used to determine how large or severe a storm such as a hurricane or a tornado is. Other types of storms such as blizzards and thunderstorms can also be mapped using these systems.
Radar is also used in marine environments. Ships can use it to detect other vessels that may be occupying the same area of water and can also use it to determine where they are located. This is done by bouncing signals off of known reference points such as buoys or, if close enough, the shoreline as well.
All systems are made up of the same basic components. Frequencies are generated by a transmitter. There are several different types of these, some of which are more suitable for specific uses than others. The frequency is sent to an antenna by a waveguide. Then, the antenna sends out the signal. A duplexer switches the antenna over into receiving mode so the returning radio waves can be interpreted. This is done using a receiver and the operator will see the results on a display processor.
In the beginning, the way the signal was generated and processed meant that radar systems were not as reliable or accurate as they are today. They could be jammed easily. This involves directing the same radio frequency at the system in order to give an inaccurate picture of what is going on in the area. With the invention of the monopulse system, this was corrected and new systems are much more accurate.
With modern systems, a single beam is emitted that is then split into two sections. They are directed in the same general direction but because they are positioned in slightly different ways it is possible to compare the returning signals to make sure that the results are accurate. A comparator is the device used to combine the signals into the single cohesive image that the radar operator will interpret.
These tend to be very specialized items and may not be commonly available. There are websites that offer different versions of comparators. If you are purchasing this type of item, it is important to read the description carefully and ensure you are purchasing the right kind of comparator.
Although radar systems were initially used by the military to detect approaching aircraft and other potentially hostile objects these systems are being used in many other ways these days. Motorists are likely familiar with the guns used by police in order to detect speeding vehicles. The signal can bounce off of a vehicle and travel back to the gun in order to give the officer an idea of how quickly a particular car is traveling.
Meteorologists have also started using these systems to monitor the weather and create forecasts. They can be very helpful if a severe weather system is expected. Radar can be used to determine how large or severe a storm such as a hurricane or a tornado is. Other types of storms such as blizzards and thunderstorms can also be mapped using these systems.
Radar is also used in marine environments. Ships can use it to detect other vessels that may be occupying the same area of water and can also use it to determine where they are located. This is done by bouncing signals off of known reference points such as buoys or, if close enough, the shoreline as well.
All systems are made up of the same basic components. Frequencies are generated by a transmitter. There are several different types of these, some of which are more suitable for specific uses than others. The frequency is sent to an antenna by a waveguide. Then, the antenna sends out the signal. A duplexer switches the antenna over into receiving mode so the returning radio waves can be interpreted. This is done using a receiver and the operator will see the results on a display processor.
In the beginning, the way the signal was generated and processed meant that radar systems were not as reliable or accurate as they are today. They could be jammed easily. This involves directing the same radio frequency at the system in order to give an inaccurate picture of what is going on in the area. With the invention of the monopulse system, this was corrected and new systems are much more accurate.
With modern systems, a single beam is emitted that is then split into two sections. They are directed in the same general direction but because they are positioned in slightly different ways it is possible to compare the returning signals to make sure that the results are accurate. A comparator is the device used to combine the signals into the single cohesive image that the radar operator will interpret.
These tend to be very specialized items and may not be commonly available. There are websites that offer different versions of comparators. If you are purchasing this type of item, it is important to read the description carefully and ensure you are purchasing the right kind of comparator.
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