Passive Material Vectoring via H-Field and E-Field Antennas
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Solution Overview
Problem
Current methods for detecting and vectoring specified materials from a distance are often active and invasive, using systems like radar, laser, or sonar, which is undesirable for passive detection.
Innovation Solution
The system employs naturally occurring electric and magnetic fields to detect and determine the angular bearing and distance of specified materials using H-field and E-field antennas, with signal processing units to analyze and display the orientation and distance of the materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If active radiating systems (radar, laser, sonar) are used to detect materials from a distance, then detection capability is improved, but the system becomes invasive and requires active energy transmission
Solution Approach 1:
The system utilizes naturally occurring electric and magnetic fields in the environment to perform detection, allowing the environment itself to provide the detection medium rather than requiring an active radiating system. This eliminates the need for invasive energy transmission while maintaining detection capability through passive measurement of natural field interactions with target materials.
Solution Approach 2:
The patent introduces naturally occurring electric and magnetic fields as intermediaries between the detection system and target materials. These natural fields serve as the medium through which detection occurs, replacing direct active radiation with indirect passive field interaction, thereby reducing invasiveness while preserving measurement precision.
2Object-affected harmful factors
If passive detection using natural fields is employed, then invasiveness is reduced, but detection range and precision may be compromised
Solution Approach 1:
The system employs both H-field (magnetic) and E-field (electric) antennas to detect materials, utilizing multiple natural field types simultaneously. This multi-functional approach enhances detection capability and range while maintaining passive operation, as the combination of magnetic and electric field measurements provides complementary information about target materials at various distances.
Solution Approach 2:
The patent extends detection capability by measuring both magnetic field (H-field) and electric field (E-field) components, adding an additional dimensional aspect to the detection process. This multi-dimensional field measurement approach compensates for the passive nature of the system, improving overall detection precision and range through complementary field interactions.
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
Enables passive detection and vectoring of materials without active radiation, providing accurate angular bearing and distance information through the analysis of resistivity and current values, allowing for efficient material localization.
Implementation Method 1
The H-field antenna 102A is orthogonal to the E-field antenna 102B and is responsive to a magnetic field (H-field)
Implementation Method 2
The E-field antenna 102B is responsive to an electric field (E-field)
Implementation Method 3
determine the vector to that specified material, that is, to determine the angular bearing to the specified material and the distance (range) to the specified material
Data Source
AI summary
An apparatus (100) and method (300) of detecting and determining a vector to a specified material using an H-field antenna (102A) and an E-field antenna (102B), each antenna having at least one coil portion (102A1, 102B1) wound around at least one corresponding rod portion (102B1, 102B2), the coil portions being electrically connected in parallel, and the rod portions being electrically connected in parallel. The specified material is deemed to be present in the field of view of the E-field antenna based upon a change in orientation of the H-field antenna when a first current is applied to the coil portions through a first resistor (606A). An orientation to, and a distance to, the specified material is determined based upon a new orientation of the H-field antenna and the resistivity of a second resistor (606B) when a second current is applied through the second resistor to the rod portions.