Video Experimental Relacionado
Updated: Jan 23, 2026
07:55
Fabrication of Surface Acoustic Wave Devices on Lithium Niobate
Published on: June 18, 2020
13.0K
Memristor de red neuronal de onda acústica superficial piezoeléctrica
Yi Zhang1,2,3,4, Yi Deng2,5, Dingchen Wang2
1School of Microelectronics, Southern University of Science and Technology, Shenzhen 518055, China.
Science advances
|January 21, 2026
Resumen
Desarrollamos un memristor piezoeléctrico de onda acústica superficial (SAW) compacto para el procesamiento de señales de radiofrecuencia (RF) energéticamente eficiente. Este nuevo dispositivo permite aplicaciones de computación en el borde más rápidas, pequeñas y eficientes energéticamente.
Sus antecedentes:
- Las redes neuronales analógicas basadas en ondas electromagnéticas (EM) ofrecen eficiencia energética y paralelismo para el procesamiento de señales de RF al integrar detección, memoria y computación.
- Un desafío clave es la falta de bloques de construcción compactos y programables para estos sistemas, lo que dificulta la implementación práctica.
- Los sistemas existentes enfrentan limitaciones debido a la ausencia de conversiones analógico-digitales (ADC) eficientes y al cuello de botella de von Neumann.
Conclusiones:
- El memristor SAW piezoeléctrico desarrollado sirve como un bloque de construcción compacto y programable para el procesamiento de señales de RF.
- Esta tecnología reduce significativamente la huella y el consumo de energía, superando a los sistemas EM y digitales existentes.
- Abre el camino para el procesamiento de señales de RF compacto y energéticamente eficiente en el borde.
Videos de Conceptos Relacionados
02:12The Wave Nature of Light
61.0K
The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
61.0K
02:26Protein Networks
4.5K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
4.5K
02:18Network Covalent Solids
16.1K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
16.1K
01:20Half wave rectifier
2.4K
A half-wave rectifier is a fundamental circuit in electronics, designed to convert alternating current (AC) voltage into a unidirectional voltage. It utilizes the simplest form of diode rectification, where the circuit comprises a single diode in series with a load resistor and an AC power source.
2.4K
01:22Full wave rectifier
2.6K
A full-wave rectifier is a device that converts alternating current (AC) to direct current (DC) and is more efficient than its half-wave counterpart. It typically includes a center-tapped transformer, two diodes, and a load resistor. The secondary winding of the transformer is divided to provide two equal voltages of opposite polarities, which is the pivotal element of full-wave rectification.
2.6K
01:10Wave Parameters
9.1K
The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...
9.1K