Analysis on the Effect of Three-type LOS Non-multipath Space Channels on Communication Countermeasure
Both communication and communication countermeasures pay more attention to the signals transmission character-istics in space channels,which have a significant impact on the effectiveness of communication countermeasures.The signal trans-mission attenuation characteristics in three types of LOS(Line of Sight)non-multipath space channels are quantitatively analyzed and compared,and the strong anti-reconnaissance and anti-jamming capabilities of both communication parties using high gain an-tenna directional narrow beam mutual pointing are demonstrated.The fixed direction nulling and adaptive nulling on array antenna beam pattern theoretically provide stronger communication electronic defense approaches for both the communication transmitter and receiver.In order to improve the effectiveness of reconnaissance and jamming,communication countermeasure will inevitably develop for the distributed coordination to achieve the balance of game countermeasure.The above revealed technique evolution trends provide an important reference for the future development planning of communication countermeasures.
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