Terahertz Camera System With Multiple Transmission Units
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Solution Overview
Problem
Terahertz wave camera systems face challenges in obtaining clear images due to unwanted reflected terahertz waves from complex object surfaces, leading to noise interference when the object moves or changes orientation, making it difficult to identify concealed objects under covering objects.
Innovation Solution
A terahertz wave camera system with multiple transmission units positioned differently and a control unit that adjusts their operation based on image data to reduce unwanted reflected waves, allowing for clearer images by controlling the emission and reception of terahertz waves to minimize noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple transmission units are used to improve image clarity, then noise interference increases due to unwanted reflected waves
Solution Approach 1:
The system divides the transmission function into multiple transmission units positioned at different locations. Each unit emits terahertz waves independently, and the control unit selectively activates specific units based on the object's position and orientation, segmenting the overall transmission task to reduce unwanted reflections.
Solution Approach 2:
The control unit dynamically adjusts the operation of transmission units based on real-time image data and object characteristics. By adaptively controlling which transmission units are active and their emission parameters, the system optimizes image quality while minimizing noise interference from reflected waves.
2Object-generated harmful factors
If transmission units are positioned at different locations to reduce reflected waves, then system complexity increases
Solution Approach 1:
Multiple transmission units are designed with identical structures and functions, each capable of emitting terahertz waves. This universal design allows the system to reduce reflected waves through strategic positioning and selective activation without requiring fundamentally different components, thereby limiting the increase in system complexity.
Solution Approach 2:
The control unit receives image data from the detection unit and uses this feedback to determine which transmission units should be activated. This closed-loop control system automatically adjusts transmission unit operations based on object characteristics, reducing reflected waves without requiring manual intervention or complex mechanical adjustments.
3Measurement precision
If the control unit adjusts transmission unit operations based on image data, then processing time increases
Solution Approach 1:
The control unit is pre-programmed with algorithms that analyze image data and determine optimal transmission unit configurations. By having these decision-making rules established in advance, the system can quickly adjust transmission unit operations without requiring complex real-time calculations, thereby reducing processing time while maintaining image accuracy.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively reduces noise interference, enabling better identification of concealed objects by optimizing the emission and detection of terahertz waves, resulting in clearer and more accurate images.
Implementation Method 1
a first transmission unit configured to emit a first terahertz wave; a second transmission unit disposed at a position different from a position of the first transmission unit and configured to emit a second terahertz wave
Implementation Method 2
for detecting at least one of a first reflected terahertz wave that is a part of the first terahertz wave reflected from an object, or a second reflected terahertz wave that is a part of the second terahertz wave reflected from the object
Data Source
AI summary
A system includes a first transmission unit configure to emit a first terahertz wave, a second transmission unit disposed at a position different from a position of the first transmission unit and configured to emit a second terahertz wave, a detection unit for detecting at least one of a first reflected terahertz wave that is a part of the first terahertz wave reflected from an object, or a second reflected terahertz wave that is a part of the second terahertz wave reflected from the object, and outputting image data based on the detected terahertz wave, and a first control unit configured to, under a condition set based on the image data, control at least one of an operation of the first transmission unit or an operation of the second transmission unit.