18 GHz Airborne Phased-Array Radar System
This product is a standalone, fully integrated test system. Its main components include an active phased‑array antenna subsystem (comprising transmit/receive channel modules, array‑surface control units, switch‑matrix networks, and frequency synthesizer modules), a signal‑processing subsystem (including signal‑processing boards, signal‑acquisition boards, and optical‑interface switching boards), as well as supporting elements such as power supplies, thermal‑management and structural support systems, a test host computer, and test cables. The signal‑processing subsystem adopts a 3U VPX architecture. It interfaces with the test host computer via a communication module, enabling system control through commands issued from the host. The system’s power module provides power to both the active phased‑array antenna subsystem and the signal‑processing subsystem, delivering two output voltages—DC 28 V and DC 12 V—where DC 28 V powers the antenna subsystem modules and DC 12 V powers the signal‑processing subsystem modules. The system is equipped with thermal‑management hardware to ensure adequate cooling for the antenna subsystem modules. The product offers the core functionalities of a phased‑array radar, supports software‑based secondary development, and can be used for conducting both indoor and outdoor scientific experiments.
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- Commodity name: 18 GHz Airborne Phased-Array Radar System
This product is a standalone, fully integrated test system. Its main components include an active phased‑array antenna subsystem (comprising transmit/receive channel modules, array‑surface control units, switch‑matrix networks, and frequency synthesizer modules), a signal‑processing subsystem (including signal‑processing boards, signal‑acquisition boards, and optical‑interface switching boards), as well as supporting elements such as power supplies, thermal‑management and structural support systems, a test host computer, and test cables. The signal‑processing subsystem adopts a 3U VPX architecture. It interfaces with the test host computer via a communication module, enabling system control through commands issued from the host. The system’s power module provides power to both the active phased‑array antenna subsystem and the signal‑processing subsystem, delivering two output voltages—DC 28 V and DC 12 V—where DC 28 V powers the antenna subsystem modules and DC 12 V powers the signal‑processing subsystem modules. The system is equipped with thermal‑management hardware to ensure adequate cooling for the antenna subsystem modules. The product offers the core functionalities of a phased‑array radar, supports software‑based secondary development, and can be used for conducting both indoor and outdoor scientific experiments.
This product is a standalone, fully integrated test system, comprising an active phased‑array antenna subsystem (including transmit/receive channel modules, array‑surface control units, switch‑matrix networks, and frequency synthesizer modules), a signal‑processing subsystem (featuring signal‑processing boards, signal‑acquisition boards, and optical‑interface switching boards), as well as supporting components such as power supplies, thermal‑management and structural support systems, a test host computer, and test cables. The signal‑processing subsystem adopts a 3U VPX architecture. It interfaces with the test host computer via a communication module, enabling system control through commands issued from the host. The system’s power module provides power to both the active phased‑array antenna subsystem and the signal‑processing subsystem, delivering two output voltages—DC 28 V and DC 12 V—where DC 28 V powers the antenna subsystem modules and DC 12 V powers the signal‑processing subsystem modules. The system is equipped with thermal‑management hardware to ensure adequate cooling for the antenna subsystem modules. The product delivers the core functionality of a phased‑array radar, supports software‑based secondary development, and can be used for conducting both indoor and outdoor scientific experiments.
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Functional Metric Description
System Functions
It features radar signal generation, upconversion, phased-array transmission, reception, downconversion, and data acquisition and processing capabilities.
Equipped with array beamforming control functionality
Equipped with transmission and waveform‑setting functions.
It features array reconfiguration capability, allowing each digital channel to connect to any combination of antenna elements within the corresponding subarray or to a single element.
It features temperature and power‑supply status monitoring, power‑on self‑test, and instruction self‑check functions for the system’s main modules.
It features remote control functionality, allowing users to acquire echo signals via the Gigabit Ethernet test port and monitor system status.
It features an external high-speed data storage interface, enabling connection to external storage devices for saving acquired echo signals, with a configurable transmission protocol.
The software can be updated online via the network port, array calibration data can be loaded, array reconstruction can be controlled, and transmit waveforms can be uploaded, among other functions.
System Metrics
Operating frequency band: Ku (14–18 GHz)
Operating bandwidth: ≥ 4 GHz (14–18 GHz)
128 antenna channels
Scanning range: Azimuth ≥ ±45°, Elevation ≥ ±45°
Antenna array configuration: rectangular array, with element spacing ≤ 9 mm.
Transmission channels: 2; each antenna element can be assigned to any transmission channel.
31
Indicator Description
Signal Acquisition
Acquisition channels: 32 Clock rate: Configurable from 500 MSPS to 5 GSPS, with a default of 1.2 GSPS.
ADC Resolution: ≥14 bits
Intermediate-frequency input signal frequency range: 80 MHz to 6 GHz
ADC Channel Isolation: >60 dB
ADC spurious signals: ≤−60 dBc
Inter-channel coherence and synchronization; synchronous phase variation: ≤0.57°
Onboard DDR cache: ≥512 MB per channel, with a total memory bandwidth of 32 lanes ≥102.4 GB/s;
Onboard ROM storage: 8 GB EMMC capacity per board
On-board multi-channel real-time buffer duration for a 10 MHz bandwidth signal: ≤7314 ms
Equipped with digital down-conversion and decimation capabilities.
Equipped with an external fiber-optic high-speed storage interface, it can store multi-channel sampled signals with a 10 MHz bandwidth in real time, achieving an effective data throughput of ≥100 Gb/s.
Multi-channel digital waveform generation
Channels: 32 Clock rate: 500 MSPS to 9.85 GSPS, default 1.2 GSPS
Resolution: 14 bits
Intermediate-frequency output signal frequency: 80 MHz to 6 GHz
Channel Isolation: ≥69 dB
Spurious signals: ≤-60 dBc
Inter-channel coherence and synchronization; synchronous phase variation: ≤0.28°
Output waveforms: Built-in, parameter‑adjustable pulse modulation, linear frequency modulation, and phase‑coded signals; supports arbitrary waveform loading via the network port from a host PC.
Signal Processing
Real-time processing capability ≥ 5,000 GMAC/s
Implement functions such as pulse compression, signal integration and detection, and range and angle measurement for conventional signals and linear frequency-modulated signals.
Control the RF front-end to achieve real-time beamforming.
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