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What is the difference between the active phased array Radar Antenna and the passive phased array Radar Antenna?


  1. According to the structure:

The passive phased array Radar Antenna has only one central transmitter and one receiver. The high frequency energy generated by the transmitter is automatically distributed to the various radiators of the antenna array by the computer, and the target reflected signal is uniformly amplified by the receiver (this is common with the receiver). Radar Antenna is not much different).

Each radiator of the active phased array Radar Antenna is equipped with a transmitting/receiving component, each of which can generate and receive electromagnetic waves by itself, so it is more passive than the passive phase in bandwidth, signal processing and redundancy design. Radar Antenna has a big advantage.

2. According to the difference in cost:
Radar Antenna
The active phased array Radar Antenna is expensive and difficult to engineer. However, the active phased array Radar Antenna has unique advantages in function, and it has a tendency to replace the passive phased array Radar Antenna.

3. According to the difference in manufacturing difficulty:

The biggest difficulty of the active phased array Radar Antenna is the manufacture of the transmitting/receiving components. Relatively speaking, the passive phased array Radar Antenna is much less technically difficult. Passar phased array Radar Antenna is not as good as active phased array Radar Antenna in terms of power, efficiency, beam control and reliability, but it is obviously better than ordinary mechanical scanning Radar Antenna, which is a good compromise. Program.
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