18 GHz Airborne Phased Array Radar System
Release date:
This product is a standalone, fully integrated test system whose main components include an active phased-array antenna array subsystem (comprising transmit/receive channel modules, array control modules, switch matrix networks, frequency synthesizer modules, and more), a signal-processing subsystem (including signal-processing boards, signal-acquisition boards, optical-port switching boards, and other related components), as well as supporting power supplies, thermal management and structural support systems, a host computer for testing, and test cables. The signal-processing subsystem adopts a 3U VPX architecture. The signal-processing subsystem connects to the host computer via a communication module and can be controlled by issuing commands through the host computer. The system’s power module primarily provides power to both the active phased-array antenna array subsystem and the signal-processing subsystem, delivering two output voltages: DC28V and DC12V. The DC28V voltage powers the modules in the active phased-array antenna array subsystem, while the DC12V voltage powers the modules in the signal-processing subsystem. The system is equipped with cooling devices that provide thermal management and structural support for the modules in the active phased-array antenna array subsystem. This product features the basic functionalities of a phased-array radar and supports software secondary development, making it suitable for conducting both indoor and outdoor scientific experiments.
System Functions and Metrics
Function Indicator Description |
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System functions
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Equipped with functions for radar signal generation, up-conversion, phased-array transmission, reception, down-conversion, and data acquisition and processing.
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Equipped with array steering control functionality
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Equipped with transmission and waveform setting functions.
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Equipped with array reconfiguration capability, each digital channel can be connected to any combination of antenna elements or a single element within the corresponding subarray.
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Features temperature monitoring of the system’s main modules, power status monitoring, power-on self-test, and instruction self-test.
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Equipped with remote control functionality, it can read echo signals via the Gigabit network test port and monitor system status.
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Equipped with an external high-speed data storage interface, it can connect to external storage devices to save the acquired echo signals; the transmission protocol is customizable.
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The software program can be updated online via the network port, array calibration data can be loaded, array reconstruction can be controlled, and transmit waveforms can be loaded.
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System metrics |
Operating frequency band: Ku (14-18 GHz) |
| Operating bandwidth: ≥ 4 GHz (14-18 GHz) | |
| 128 antenna channels | |
| Scan range: Azimuth ≥ ±45°, Elevation ≥ ±45° | |
| Antenna array configuration: rectangular array, element spacing ≤ 9 mm | |
| Transmit channels: 2. Each antenna element can be paired with any transmit channel. | |
| TR channel peak transmit power: ≥6.3W | |
| There are 32 intermediate-frequency sampling channels, with 2 channels corresponding to each of the 8 antenna elements in the same azimuth. The correspondence can be switched arbitrarily, and each azimuth corresponds to 8 channels. |
Corporate Vision
Signal Processing Subsystem
Indicator Description |
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Signal acquisition |
Acquisition channels: 32 |
| Clock rate: Configurable from 500 MSPS to 5 GSPS, default is 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, with synchronized phase variation: ≤0.57° | |
| On-board DDR cache: ≥512 MB per channel, with a total storage bandwidth of 32 lanes ≥ 102.4 GB/s; | |
| Onboard ROM storage: Single-board EMMC storage capacity 8GB | |
| Duration of real-time on-board buffering for 10 MHz bandwidth signals: ≤7314 ms | |
| Features digital down-conversion and decimation. | |
| Equipped with an external fiber-optic high-speed storage interface, it can store multi-channel sampled signals with a bandwidth of 10 MHz in real time, with an effective data bandwidth ≥ 100 Gb/s. | |
Multi-channel digital waveform generation |
Channels: 32 |
| Clock rate: 500 MSPS to 9.85 GSPS, default 1.2 GSPS | |
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Resolution: 14-bit
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| Intermediate-frequency output signal frequency: 80 MHz to 6 GHz | |
| Channel isolation: ≥69 dB | |
| Spurious signal: ≤ -60 dBc | |
| Inter-channel coherence and synchronization with synchronized phase variation: ≤0.28° | |
| Output waveforms: Pulse modulation, linear frequency modulation, and phase-coded signals with adjustable built-in parameters; supports uploading arbitrary waveforms from a host computer via the network port. | |
Signal processing |
Real-time processing capability ≥ 5000 GMAC/s |
| Implement functions such as pulse compression of conventional signals and linear frequency-modulated signals, signal integration and detection, as well as range and angle measurement. | |
| Control the RF front-end to achieve real-time beam control. |
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Video demonstration
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Website: www.interwiser.com
Address: 25th Floor, Building E, Xidian Science & Technology Park, No. 168 Kechuang Road, Yanta District, Xi'an City
