MRI Transmit Array Trigger Segmentation
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Solution Overview
Problem
Existing magnetic resonance systems lack the ability to independently adjust and synchronize high-frequency transmit signals across multiple units, limiting real-time application capabilities and flexibility in triggering mechanisms.
Innovation Solution
A magnetic resonance system with a high-frequency transmit array featuring separate trigger units for each transmit unit, allowing independent reception of trigger signals and real-time adaptation of high-frequency pulse shapes, along with a master-slave arrangement for synchronized trigger signal distribution using TTL trigger interfaces and a selection module for automatic port selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single-channel trigger system is used to distribute trigger signals to multiple transmit units, then the system structure is simplified, but the ability to independently adjust and synchronize high-frequency transmit signals across multiple units is lost
Solution Approach 1:
The trigger system is segmented into multiple independent trigger units, with each transmit unit having its own dedicated trigger unit. This segmentation allows each transmit unit to independently receive and process trigger signals, enabling independent adjustment of high-frequency transmit signals while maintaining system synchronization through coordinated operation of all trigger units.
2Productivity
If multiple transmit units operate independently with separate trigger units, then real-time application capabilities are improved, but the system complexity increases
Solution Approach 1:
The transmit array is segmented into multiple independently controllable transmit units, each with its own trigger unit. This enables parallel processing and real-time operation of multiple transmit units simultaneously, improving productivity and real-time application capability while the modular segmented structure helps manage system complexity.
Solution Approach 2:
Each trigger unit is designed as a universal module that can handle various trigger signal types and configurations. This multi-functionality allows the same hardware structure to serve multiple purposes and adapt to different application requirements, improving real-time capability without proportionally increasing overall system complexity.
3Quantity of substance
If trigger signals are distributed sequentially through a single transmit unit, then hardware requirements are reduced, but synchronization precision and timing accuracy deteriorate
Solution Approach 1:
The trigger signal distribution system is segmented into parallel paths, with each transmit unit having direct access to its own trigger unit. This eliminates sequential signal distribution and enables simultaneous triggering of all transmit units, significantly improving timing accuracy and synchronization precision while the modular structure keeps hardware requirements manageable.
Data Source
AI summary
A magnetic resonance system having a transmitting system with a high-frequency antenna unit and a high-frequency transmit array. The high-frequency antenna unit is configured to emit high-frequency signals and receive magnetic resonance signals. The high-frequency transmit array has two high-frequency transmit units that allow parallel transmission of high-frequency signals. Each of the high-frequency transmit units of the high-frequency transmit array includes a separate trigger unit.