S-band holographic all-digital low-altitude bird‑detection radar
The MIMO holographic surveillance radar provides comprehensive situational awareness of avian activity across the entire airport airspace, capturing target point‑clouds, flight tracks, and four‑dimensional positional data (range, altitude, azimuth, and velocity). Meanwhile, the wide‑area optoelectronic bird‑monitoring system establishes a low‑altitude electronic perimeter around the airfield, acquiring detailed information such as bird species, distance, altitude, wingspan, and speed. It delivers intelligent early warnings and alerts for high‑risk bird‑related hazards, while aggregating and visualizing accumulated data on a three‑dimensional airport map to generate heatmaps of bird‑activity distribution, thereby building an airport‑specific big‑data platform for avian safety.
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- Commodity name: S-band holographic all-digital low-altitude bird‑detection radar
The MIMO holographic surveillance radar provides comprehensive situational awareness of avian activity across the entire airport airspace, capturing target point‑clouds, flight tracks, and four‑dimensional positional data (range, altitude, azimuth, and velocity). Meanwhile, the wide‑area optoelectronic bird‑monitoring system establishes a low‑altitude electronic perimeter around the airfield, acquiring detailed information such as bird species, distance, altitude, wingspan, and speed. It delivers intelligent early warnings and alerts for high‑risk bird‑related hazards, while aggregating and visualizing accumulated data on a three‑dimensional airport map to generate heatmaps of bird‑activity distribution, thereby building an airport‑specific big‑data platform for avian safety.
The MIMO holographic surveillance radar provides comprehensive situational awareness of avian activity across the entire airport airspace, capturing target point‑clouds, flight tracks, and four‑dimensional positional data (range, altitude, azimuth, and velocity). Meanwhile, the wide‑area optoelectronic bird‑monitoring system establishes a low‑altitude electronic perimeter around the airfield, acquiring detailed information on birds—including species, distance, altitude, wingspan, and speed—while delivering intelligent early warnings and alerts for high‑risk bird encounters. Accumulated data is mapped onto a three‑dimensional airport terrain model to generate heatmaps of bird‑activity distribution, thereby building an airport‑specific big‑data platform for avian safety.
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Performance Metrics
Operating band/frequency
● S/X bands, 3.1±0.1 GHz / 10±0.4 GHz
Detection range
● Azimuth/Elevation: 60°/0~10°
Detection altitude
● 0.1–1 km
Minimum detection range
● 225m
Speed measurement range
● 1.4 m/s ~ 38 m/s
Detection range (FAA typical 1 SAT target)
● RCS = 0.025 m²: R ≥ 6 km; RCS = 0.01 m²: R ≥ 3 km. Multi-target capability: number of targets detected: 100; number of targets tracked and logged: 10.
Azimuth resolution
● 1.25°;
Range resolution
● 1.25m
An S/X-band active phased-array system conducts wide-area, persistent search, detection, and tracking of multiple low‑altitude targets at airports.
- Capability for identifying low-altitude moving targets (birds or UAVs) over large areas.
- Intelligent processing algorithms can accurately extract the position, velocity, and heading information of multiple targets, predict avian flight‑path patterns, and issue effective migration‑alert warnings.
- Unconstrained by visibility or other factors, it enables all‑weather, continuous collection of avian data across the airport’s broader airspace.
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Product Features
Feature 1: Increased bandwidth. Upgraded from ARS’s 120 MHz to 800 MHz, with a resolution of 18 cm, enabling effective discrimination of bird‑group targets. Bird classification and identification features are constructed based on one-dimensional high-resolution range profiles (HRRPs).
Feature 2: Enhanced Doppler resolution. Under a sector scan (60° × 20°), the coherent integration time can reach 400 ms, enabling the extraction of finer micro‑Doppler signatures (Ref: Gong 2019).
Feature 3: 100% independent and controllable. All components are standardized, off-the-shelf modules; the core computing platform, circuit boards, and application software are independently designed, enabling users to easily extend functionality.
- It is implemented using the RFSOC ZU28DR/ZU48DR+VU9P/AGX heterogeneous processing framework.
- Pulse-Doppler architecture, S-band at 3.1 GHz, with a maximum bandwidth of 800 MHz and eight-channel direct RF transmission and direct digitization;
- Flexible configuration of antenna, front-end, and software combinations: 1T8R wide‑area probing (separate transmit and receive), 4T8R MIMO (the existing product code framework supports TDMA, FDMA, and DDMA); 8T8R with shared transmit and receive.
- The model achieves real-time signal processing and streaming at 200 Mbps.
- A complete suite of radar-based small-target detection algorithms—covering conventional small-target detection and TBD—as well as multi-target tracking algorithms, group-target detection and tracking, and DOA estimation algorithms; plus a micro‑Doppler‑based database for bird and UAV identification and classification.
ARX: X-band High-Frequency Wideband Imaging Radar
- It employs an RFSOC heterogeneous processing architecture comprising the XCZU47DR RF core board, the VU9P compute carrier board, and the DSP6678, enabling flexible configuration.
- The X-band supports 9.65 GHz, with a maximum bandwidth of 800 MHz and eight RF transmit/receive channels; the high‑intermediate frequency (HIF) ranges from 2 to 4 GHz, and HIF is directly sampled and synthesized.
- It supports up to 8 core boards with front-end synchronization, and the configuration can be expanded into a 64T64R system.
- The model can achieve 400 MHz bandwidth, 4T4R real-time processing, and streaming to disk.
- A complete FPGA IP core suite for radar acceleration algorithms, fully owned under independent intellectual property rights.
- A complete set of radar processing algorithms with independent intellectual property rights;
R&D capability
Radar Agile R&D and Upgrade System
- The existing product portfolio is built on a unified architecture, enabling flexible implementation of multi‑band configurations such as S 4T4R (direct‑sampling) + X 4T4R, S 4T4R (direct‑sampling) + Ka 4T4R, and C 4T4R (direct‑sampling) + Ka 4T4R.
- It enables multi‑band (S, C, X, Ka) and wideband (2 GHz instantaneous bandwidth) signals intelligence; the radar hardware‑accelerated processing IP core (HWA) includes key radar signal‑processing algorithm IP cores:
- Pulse compression, CFAR;
- Waveform modulation IP core;
- Numerical library: logmag, matrix–vector multiplication, block matrix multiplication (64×64), matrix inversion (64×64), etc.; with technical expertise in porting and leveraging Spectre‑HLS.
- Radar Advanced Algorithm FPGA Acceleration Processing Framework (AAL): Implements two key IP cores—Particle Filter and RFS/PHD Filter.
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