Search results
Results from the WOW.Com Content Network
Some states also have laws against jamming of police radar or LIDAR: California, Colorado, Illinois, Iowa, Minnesota, Oklahoma, South Carolina, Tennessee, Texas, Utah and Virginia. [citation needed] In these states, the penalties can be severe.
The most important method to counter radar jammers is operator training. Any system can be fooled with a jamming signal but a properly trained operator pays attention to the raw video signal and can detect abnormal patterns on the radar screen. The best indicator of jamming effectiveness to the jammer is countermeasures taken by the operator.
However, several states have passed laws that specifically prohibit the use of laser jammers, including: California, Colorado, Illinois, Iowa, Minnesota, South Carolina, Tennessee, Texas, Utah, and Virginia. The legality of laser jammers in Nebraska and Washington, D.C. is disputed. [13] Laser jammers for civilian use have evolved in recent years.
The National Highway Traffic Safety Administration standards for "across the road radar" state that "If the ATR device is to be considered for unattended operation, the manufacturer shall provide a secondary method for verifying that the evidential recorded image properly identifies the target vehicle and reflects this vehicle's true speed, as ...
As jammers proliferated, a number of existing ARMs such as the AGM-88 HARM was modified to also target jammers as the source of radiation. [2] Jammers also led to the addition of a home-on-jam feature to missiles that usually use a different targeting mode (e.g. active radar homing, semi-active radar homing, GPS), allowing them to switch to an anti-radiation targeting mode when radar ...
The X, K, and Ka bands are the three types of radar and laser most frequently used by law enforcement in the U.S. For many years, law enforcement relied heavily on the now less common X-band.
Interference techniques include jamming and deception. Jamming is accomplished by a friendly platform transmitting signals on the radar frequency to produce a noise level sufficient to hide echos. [1] The jammer's continuous transmissions will provide a clear direction to the enemy radar, but no range information. [1]
Frequency agility is the ability of a radar system to quickly shift its operating frequency to account for atmospheric effects, jamming, mutual interference with friendly sources, or to make it more difficult to locate the radar broadcaster through radio direction finding.