Horn-Shaped Microwave Pulse Source With Synchronized Multi-Source Emission
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Solution Overview
Problem
Current high-power electro-magnetics (HPEM) systems face limitations in increasing energy density and compactness while maintaining effective range and performance, particularly in directing electromagnetic pulses for counter-UAS, security, and electronic disruption applications.
Innovation Solution
The integration of a large-area arrangement of nonlinear semiconductor components for pulse shaping in conjunction with a horn antenna structure and array technology, allowing for phase-synchronous operation of multiple pulse sources to enhance power density and range, utilizing a DS generator and waveguide system for efficient pulse generation and emission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a single pulse source is used in HPEM systems, then the system structure is simple, but the power density and range are limited
Solution Approach 1:
The system divides the pulse source into multiple independent pulse sources (at least two) that can be operated separately. Each pulse source generates individual pulse components that are then superimposed to create the final high-power electromagnetic pulse, thereby increasing power density while maintaining manageable structural complexity through modular design
Solution Approach 2:
Multiple pulse components from different pulse sources are superimposed in the horn structure to form a single high-power electromagnetic pulse. This combining of multiple sources achieves the desired power density increase while the coordinated operation maintains system manageability
2Power
If the system size is increased to improve range, then the power density increases, but the system becomes less compact
Solution Approach 1:
The horn structure utilizes spatial dimensionality to shape and focus the electromagnetic pulse. By configuring the horn with specific geometric dimensions (length, width, height) and positioning multiple pulse sources within this three-dimensional structure, the system achieves power density increase through spatial arrangement rather than simply scaling up overall system size
3Length of stationary object
If multiple pulse sources are used to increase power density, then the range improves, but the synchronization and control complexity increases
Solution Approach 1:
The system employs a control device that monitors and coordinates the operation of multiple pulse sources. This feedback mechanism ensures that each pulse source is triggered at the appropriate time to generate pulse components that superimpose constructively, achieving the desired range extension while managing synchronization complexity through active control
4Manufacturing precision
If a large-area arrangement of semiconductor components is used for pulse shaping, then the pulse quality and directionality improve, but the manufacturing complexity increases
Solution Approach 1:
The horn structure incorporates a large-area arrangement of nonlinear semiconductor components at specific locations within the horn to achieve pulse shaping. This localized application of complex components only where needed for pulse formation allows high manufacturing precision in the critical pulse-shaping region while keeping the rest of the system simpler to manufacture
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
This approach significantly increases the range and power density of HPEM systems, enabling effective countermeasures for UAS and security applications while reducing system size, and allows for beam steering and directionality, thereby enhancing the performance and efficiency of electromagnetic pulse emission.
Implementation Method 1
a microwave generator (12) for generating the pulse (8)
Implementation Method 2
a horn structure (16) for shaping the pulse (8)
Implementation Method 3
a large-area arrangement of a large number of preferably nonlinear semiconductor components for pulse shaping
Data Source
Figure 1
Figure 2(a)~2(b)
Figure 3
AI summary
A radiation source (4) for emitting an electromagnetic HPEM microwave pulse (8) comprises a microwave generator (12) for generating the pulse (8), wherein the generator (12) has a generator opening (14) for outputting the pulse (8), and a horn structure (16) for shaping the pulse (8), which has an input opening (18) connected to the generator opening (14) for irradiating the pulse (8) and an output opening (19) for emitting the shaped pulse (8), wherein the generator (12) comprises at least two pulse sources (20a to 20n) for each generating a pulse component (22a to 22n), wherein the pulse (8) is the sum of the pulse components (22a to 22n). A radiation device (2) includes a radiation source (4) according to the invention and a control device (6) for the time-synchronized triggering of the pulse sources (20a to 20n) for the respective emission of a pulse component (22a to 22n).