Iran's New Shield: China's HQ-9B vs Israel's F-35 Stealth!

Описание: According to recent reports from Defence Security Asia, Iran is reportedly acquiring China's advanced HQ-9B long-range air defense system in exchange for oil. This strategic move aims to challenge Israel's F-35 stealth fighters. The HQ-9B's advanced radar network is claimed to be a "Stealth Killer," but its real-world success will depend on the battle between Israeli Electronic Warfare (Jamming) and Chinese sensor technology.

Technical Analysis of the HQ-9B Air Defense System:

1. Operational Capabilities and Strike Range:
The HQ-9B is a 4th-generation long-range surface-to-air missile system. It features a formidable strike range of 250-300 km and can engage targets at an altitude of up to 30 km (approx. 98,000+ feet). This makes it capable of intercepting high-altitude aircraft, ballistic missiles, and drones.

2. The Science of Stealth and RAM Limitations:
Stealth aircraft like the F-35 use Radar Absorbent Material (RAM) coating designed to absorb or deflect high-frequency X-band radar waves. However, this coating is frequency-specific and loses effectiveness against lower frequency bands used by anti-stealth systems.

3. Meter-Wave Radar and The Resonance Effect:
The HQ-9B system utilizes VHF/UHF Meter-wave radars (like the JY-26). Since the wavelength of these radars is comparable to the physical dimensions of the aircraft (wings or tail), it triggers a physical phenomenon called "Resonance." This causes the radar waves to reflect strongly off the aircraft's structure, rendering the stealth coating ineffective and making the F-35 visible on radar screens.

4. Multi-Static Sensor Networking:
The system operates within a networked environment using multiple sensors from different angles. Even if the F-35 deflects radar waves away from the source, other passive and active sensors in the network can capture the scattered signals to calculate the aircraft's precise 3D coordinates.

5. Digital Beam-forming and SNR Processing:
Equipped with Digital Beam-forming (DBF) and advanced Signal-to-Noise Ratio (SNR) algorithms, the system can focus narrow, high-power beams on potential targets. This allows the radar to filter out artificial "Digital Noise" or Electronic Jamming, distinguishing the actual aircraft signal from thousands of fake echoes.

6. The Challenge: Jamming vs. Sensors:
While technically capable, the ultimate victory depends on the direct clash between Israeli Electronic Warfare (EW) suites and Chinese signal processing capabilities. If the jamming is powerful enough to blind the radar's tracking sensors, the missile will lose its guidance.

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