Modular Radar System Architecture for Scalable RF Design
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Solution Overview
Problem
Existing radar systems are costly and time-consuming to redesign or rebuild when requirements change, and they often require large, heavy, and expensive power and cooling systems, which limits their efficiency and size reduction.
Innovation Solution
A modular and scalable radar system design that uses interchangeable radar system units, each containing RF transmit and receive assemblies, cooling systems, and control modules, allowing for flexible configuration and reduced complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If radar systems are designed and built for specific requirements and constraints, then they can meet the particular requirements (detect objects within field of view, range, elevation with accuracy), but they become costly and time-consuming to rebuild when requirements change
Solution Approach 1:
The radar system is divided into modular components (antenna arrays, signal processing units, power systems) that can be independently configured and replaced. This segmentation allows the system to be reconfigured for different requirements without rebuilding the entire system, reducing time and cost while maintaining reliability through optimized component selection.
Solution Approach 2:
The radar system employs dynamic reconfigurability through programmable signal processing and adjustable antenna configurations. This allows the system to adapt to changing requirements in real-time or between deployments, eliminating the need for physical rebuilds and reducing both time loss and maintenance costs.
2Power
If radar systems with higher power levels (50-500 kW) are used to meet detection requirements, then detection capability is improved, but the system becomes heavy and requires large power and cooling systems
Solution Approach 1:
The high-power radar system is segmented into multiple lower-power transmit modules that operate in parallel or sequentially. This modular approach achieves the required total power output (50-500 kW) while distributing the weight and thermal load across multiple smaller units, reducing the need for oversized single-point power and cooling infrastructure.
Solution Approach 2:
The radar system uses pulsed transmission with duty cycles to achieve average power levels equivalent to continuous high-power operation. By transmitting in periodic pulses rather than continuous waves, the system achieves the required detection capability while significantly reducing average power consumption and thermal management requirements, thereby reducing weight.
3Power
If radar systems with higher power levels are used, then detection capability is improved, but the cost of the radar system increases due to large power and cooling systems
Solution Approach 1:
The radar system uses multiple modular power modules that can be manufactured independently using standardized processes. This segmentation enables economies of scale in manufacturing and allows for easier replacement and upgrade of individual modules, reducing overall system cost compared to custom-built high-power systems.
Solution Approach 2:
The system achieves required power levels through parameter optimization including pulse width modulation, duty cycle adjustment, and frequency selection. These parameter changes allow the system to achieve equivalent detection performance at lower average power levels, reducing the size and cost of power supply and cooling system components.
4Adaptability or versatility
If traditional radar system design is used to meet varying requirements, then performance requirements are met, but the design time and complexity increase significantly
Solution Approach 1:
The radar system employs universal modular components with standardized interfaces and programmable functionality. Each module can be configured through software to perform different functions (different frequency bands, pulse formats, signal processing algorithms), allowing the same hardware platform to meet varying requirements without increasing design complexity.
Solution Approach 2:
The system uses dynamic reconfiguration capabilities where software-defined parameters control the behavior of fixed hardware components. This allows the radar to adapt to varying requirements by changing operational parameters rather than redesigning the physical system, significantly reducing design complexity while maintaining versatility.
Data Source
AI summary
A system and apparatus is provided for a modular radar system. The modular radar system can include a plurality of radar system modules that can be detachably coupled and can include a configurable number of radio-frequency (RF) transmit and receive assemblies. The RF transmit and receive assemblies can include radiating element(s) that emit electromagnetic radiation. The plurality of radar system modules can also include at least one processor coupled to control power of the electromagnetic radiation and/or at least one controller to control the RF transmit and receive assembly, the power unit and the digital receiver and exciter module, at least one digital receiver and exciter to convert RF to digital in receive mode, and digital to RF in transmit mode, and/or at least one RF beamformer to generate one or more RF beams.