The continued intensification of the Russian-Ukrainian conflict has pushed both sides to continuously upgrade their technical means on the battlefield, and Russia's electronic warfare jammer system has become a focus of attention in this conflict. cell phone jammerRussia's signal jammer not only effectively reduced the accuracy of the US-made HIMARS rocket launch system, but also posed a threat to other Western weapon systems, showing its technological advantage in the field of electronic warfare.signal jammer

　　Positioning of the HIMARS system and its role in Ukraine

　　The US-made HIMARS high-mobility rocket launch system was initially considered an indispensable weapon in the Ukrainian counterattack due to its powerful precision strike capability.GPS jammer The biggest highlight of the HIMARS system is its GPS guidance capability, which can accurately attack enemy targets within a range of 300 kilometers and enhance the long-range strike capability of the Ukrainian army. However, Russia used its signal jamming technology to expand the error range of the HIMARS system to 15 meters, making it "completely ineffective" on the Ukrainian battlefield.Wifi jammer

　　It is reported that the "conical" jamming signal emitted by Russia's ground jammer directly interfered with the communication link between HIMARS and the satellite, making it impossible for the missile to obtain accurate navigation data. drone jammerThis strategy has forced the Ukrainian army to reduce its reliance on HIMARS, which has greatly reduced the combat effectiveness of the weapon system.GSM jammer

　　The application of signal jammers in modern electronic warfare

　　The core principle of signal jammers is to interfere with or block the communication function of target equipment by emitting directional electromagnetic waves to cover the operating frequency band of the target equipment. On the modern battlefield, signal jammers are widely used to interfere with the enemy's communication, navigation and radar systems, disrupt the normal operation of the enemy's command system, and thus weaken the enemy's combat effectiveness.

　　Russia's jamming system not only affects HIMARS, but also effectively hinders the strike effect of Excalibur GPS-guided artillery shells. Ukraine reported that the effectiveness of Excalibur has dropped to less than 10%, which puts the Ukrainian army in a passive situation and forces it to re-examine its tactics of relying on GPS-guided weapons. Russia's electronic warfare strategy has shown its remarkable effectiveness in interfering with the enemy's precision strike weapons.

　　The battlefield advantage of electromagnetic spectrum control

　　The core of electronic warfare lies in the control of the electromagnetic spectrum. By interfering with the enemy's use of the electromagnetic spectrum, Russia can weaken the combat effectiveness of Ukraine and its allies without direct exchange of fire. Effective control of the electromagnetic spectrum can not only interfere with the enemy's weapon systems, but also make it difficult for the opponent to conduct battlefield command and coordination, weakening its tactical execution capabilities.