L-Band Uav Radar Technical Specification for Anti-Fpv Anti-Uav System Detector
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Product Details
| Customization: | Available |
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| Frequency Range: | L Band |
| Frequency: | L Band |
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Basic Info.
- Application
- L Band
- Detection Range
- L Band
- Operating System
- ≥5.0 Km
- Detection Angle
- Azimuth:90°, Elevation:30°
- Angular Accuracy
- ≤1°
- Operating Frequency Band
- L Band
- Velocity Range
- 1.2m/S~350m/S(4.32km/H~1260km/H)
- Power Supply
- AC220V
- Power Consumption
- ≤600W
- Weight
- ≤80kg
- Operating Temperature
- -40 ~ +70℃
- Communication Interface
- 100m Ethernet (UDP)
- Transport Package
- by Box
- Specification
- To be customized
- Trademark
- ZD TECH
- Origin
- China
- HS Code
- 8543209090
- Production Capacity
- 10pieces/Month
Product Description
L-Band UAV Radar
1 Technical Features and Advantages
1.1 Conventional Tracking
Traditional mechanically scanned radars may employ Track-While-Search (TWS) technology for multi-target tracking. For phased array radars, owing to their capability to flexibly allocate radar resources and inertialess beam steering to arbitrary positions at any instant, both conventional TWS and Track-and-Search (TAS) methodologies can be utilized during multi-target tracking operations. This approach fully exploits the significant beam agility advantages inherent to phased array antennas.
Figure 1-1 TWS Schematic Diagram
In the Track-While-Search (TWS) operational mode, radar acquires target data through scan frames, subsequently performing data association, plot-to-track correlation, and Kalman filtering to accomplish multi-target tracking tasks. In TWS mode, search operations take precedence, and tracking does not require additional dedicated tracking beams to illuminate targets. This method is more suitable for traditional mechanical scanning radars, where the antenna scans at a fixed rate, and each scan provides information on the target's distance, angle, and velocity. In search mode, the results of each scan are independent, and no correlation processing is performed between frames. The key difference in tracking mode is that the radar must determine whether the current target is a new target, necessitating correlation processing of target data between frames to achieve target confirmation and tracking.
Tracking and search are performed simultaneously, resulting in the same data rate, equal to the scan frame data rate, which can be calculated from the scan window size and the dwell time per position. Consequently, due to data rate limitations, tracking accuracy is low, making it unsuitable for detecting highly maneuverable drones or high-speed targets. Furthermore, it has limited ability to process clutter from rotating wind turbine blades.
Search-and-track (TAS) mode, unique to phased array radars, fully utilizes the potential of phased array antenna beam agility, but also consumes more radar resources. This is due to the flexible beam scanning of phased array radars, allowing the radar's search and tracking tasks to be completed relatively independently by splitting time, effectively scheduling the search and tracking beams in alternating time.
Figure 1-2 Schematic diagram of TAS
Due to the phased array radar's inertia-free electronic scanning control and the different data rates for search and tracking, it maintains the ability to search within a specified area while also having "free time" to perform multiple tasks and multiple targets. It can even adjust the time and energy allocation of tracking based on the target's RCS, distance, and threat level. Therefore, due to limitations in computing power and beamwidth, TAS cannot simultaneously search and track all targets within a wide angle range. Its ability to search highly maneuverable drones and high-speed moving targets at close range is limited.
1.2 Staring Radar
1.2.1 100% Coverage
Traditional radars use a scanning method to cover their detection area, providing a limited dwell time on any given target. This not only limits the information available about each target but also restricts the likelihood of initial detection.
Staring Radar uses a different coverage method than traditional radars. It continuously maintains its gaze over the entire coverage area, providing 100% scan dwell time on every target within the coverage area.
1.2.2 High Data Rate
The staring radar allows the situation within the radar coverage area to be refreshed in real time at an update rate of several hertz, and can accurately detect highly maneuverable "low, slow and small" targets that are difficult to detect with traditional radars.
1.2.3 Search-as-Track
Staring radar utilizes a different coverage method than traditional radar, achieving 100% coverage of targets within its coverage area. A single radar detection allows for simultaneous target search and tracking. staring radar's search-and-track function enables multi-target search and tracking within its coverage area, reducing the burden on radar beam control and host computer data processing, and requiring less hardware computing power than phased array radar. Theoretically, the maximum number of targets that can be searched and tracked is limited only by the target transmission network.
1.2.4 4D Sensing (Not 2D)
The staring radar not only provides target range and direction information, but also provides the precise 3D (azimuth, range, altitude) position of every target within the coverage area. The radar's Doppler measurement also provides the user with target velocity. Combined with the radar's fast update rate, this means that the user can always know exactly where the target is and where it is going. 3D positioning also enables the radar to distinguish targets from ground clutter.
1.2.5 High-Precision Trajectory
Staring radar features a fast update rate and high measurement accuracy. Combined with host computer data processing and analysis, we can accurately restore the movement trajectory of intruders within the coverage area. This high-precision trajectory provides an important basis for users to analyze intrusion incidents after the fact.
1.3 Comparative Advantages
The comparison of traditional phased array radar, mechanical scanning radar and staring radar is shown in the following table:
Table 1-1 Radar Performance Comparison
| Parameter | Phased Array Radar | Mechanically Scanned Radar | Staring Radar | |||
| Search Capability | Medium | Low | High | |||
| Tracking Capability | High | Low | High | |||
| Full-Coverage Data Rate | Low | Low | High | |||
| Angular Accuracy | High | Medium | High | |||
| Detection Range | Long | Long | Medium | |||
| Processing Requirement | High | Medium | Medium | |||
| Reliability | High | Low | High | |||
| Simultaneous Full Coverage | No | No | Yes |
Phased array radars use electronic scanning technology, offering flexible beam control, but their tracking capabilities are limited by beam width. Mechanical scanning radars use mechanical motor control, resulting in slower beam control response and weaker tracking capabilities due to beam width limitations. Staring radars employ a different coverage method than traditional radars. They don't use electronic or mechanical scanning, allowing them to continuously monitor their entire coverage area, providing 100% scanning dwell time for every target within the coverage area and providing superior search capabilities.
1.3.2 Tracking Capability
Whether mechanically scanned radars utilize TWS technology or phased array radars utilize TAS technology, both require dedicated beam allocation to track the target, with each target direction occupying at least one frame period. Phased array radars, due to their electronic control and flexible beams, and their superior computing power, offer superior tracking capabilities. Mechanically scanned radars, on the other hand, have lower tracking capabilities due to their reduced flexibility.
Staring radars, because they maintain a constant focus on the entire coverage area, can simultaneously search for and track targets. Tracking does not consume additional beam allocation periods, resulting in superior tracking capabilities.
1.3.3 Full-Coverage Data Rate
Phased array radars or mechanically scanned radars, due to their limited beamwidth, have slow detection speeds and low data rates for full coverage.
Staring radars provide a single detection result for the entire coverage area, resulting in a higher data rate and the ability to complete multiple scans per second.
1.3.4 Angular Accuracy
Phased array radars, due to their high beam electronic steering precision, maintain beam displacement during target detection. Combined with angle measurement algorithms, they offer high angle detection accuracy. Mechanical scanning radars, due to their shifting beam velocity during target detection, offer moderate angle detection accuracy. Staring radars, due to their stable beam relative to the target, offer high angle detection accuracy.
1.3.5 Detection Range
Phased array radars and mechanically scanned radars both utilize narrow beams, resulting in high antenna gain and a longer detection range at the same transmit power.
Because radar is a product that requires comprehensive performance, staring radar sacrifices detection range to achieve full area coverage. While its maximum detection range is lower than traditional radar, it can still meet the requirements for detecting targets such as low-altitude drones.
1.3.6 Processing Requirement
Phased array radars, due to their large number of channels and the requirements of the TAS algorithm, require high computing power from the hardware processing platform.
Mechanical scanning radars, due to their small number of channels and relatively simple TWS algorithm, have moderate computing power requirements from the hardware processing platform.
Staring radars, with their medium number of channels and simple scanning and tracking algorithm, also require moderate computing power from the hardware processing platform.
1.3.7 Reliability
Mechanical scanning radar uses a mechanical structure and needs to rotate continuously when working, which causes mechanical wear, low reliability and short maintenance cycle.
Phased array radar and staring radar do not use mechanical rotation scanning, so they have high reliability and long maintenance cycle.
1.3.8 Simultaneous Full Coverage
Phased array radars and mechanical scanning radars use narrow beams and cannot cover the entire area at the same time. Staring radar uses a different coverage method than traditional radars, which can achieve the requirement of covering the entire area at the same time.
2 Primary Functions and Technical Specifications
2.1 Functions
ZD-NFWR11 short-range warning radar is mainly used to monitor and detect near-field, such as unmanned aircraft and other moving targets. At the same time, the radar can be used in conjunction with the video system for border detection and monitoring, oil pipelines, airport perimeters, prison perimeters, camp defense, port monitoring and other important special scenes.
The main functions that the equipment can complete are as follows:
-Detection of ground, sea and air moving targets;
-Determine the direction, distance, speed, altitude, longitude and latitude of the detected target;
-Radar B-type interface display and digital map display;
Forming the movement trajectory of one or more targets.
It is mainly composed of radome, antenna, host (including RF TR module, signal processing module, transmission module).
2.2 Technical Specifications
| Name | Parameters | |
| Detection range | ≥5.0 km | |
| Detection angle | lAzimuth:90°, Elevation:30° | |
| Angular accuracy | ≤1° | |
| Operating frequency band | L Band | |
| Velocity Range | 1.2m/s~350m/s(4.32km/h~1260km/h) | |
| Power supply | AC220V | |
| Power consumption | ≤600W | |
| Weight | ≤80kg | |
| Operating temperature | -40 ~ +70ºC | |
| Communication interface | 100M Ethernet (UDP) |
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