Results 61 to 70 of about 824,025 (319)

Fourier-component engineering to control light diffraction beyond subwavelength limit

open access: yes, 2021
In conventional diffraction theory, a subwavelength period is considered a prerequisite to achieve interesting resonance-assisted physical phenomena, such as bound states in the continuum and diverse zero-order spectral responses with $100\%$ diffraction
Sun-Goo Lee (14385900)   +2 more
core   +1 more source

Relationships between mountain pine and climate in the French Pyrenees (Font-Romeu) studied using the radiodensitometrical method

open access: yesPirineos: Revista de Ecología de Montaña, 1994
[es] Se ha llevado a cabo un trabajo densitométrico sobre 46 Pinus uncinata (Ramond) en Font-Romeu (Cerdaña francesa). Las funciones de correlación con el clima han sido calculadas sucesivamente con el espesor de los anillos de crecimiento, la densidad ...
Cristian Rolland   +1 more
doaj   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

open access: yesAdvanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova   +9 more
wiley   +1 more source

Método de Fourier para a resolução de problemas de valores inicial e de fronteira para a equação do calor [PDF]

open access: yes, 2001
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Curso de Matemática.De fato, a interpretação matemática do problema de condução de calor criou a necessidade do desenvolvimento de várias teorias ...
Holetz, Melissa Samanta
core  

Transformada em ondeleta: uma necessidade

open access: yesRevista Brasileira de Ensino de Física
O objetivo deste trabalho é demonstrar, dentro de um contexto histórico, a necessidade de se usar a transformada em ondeletas. Experimentos computacionais simples são usados para explicar o surgimento desta ferramenta matemática.
Maurício José Alves Bolzan
doaj   +1 more source

Multiscale Fourier Landscape Pattern Indices For Landscape Ecology

open access: yesJournal of Landscape Ecology, 2018
A factor analysis of 67 landscape pattern metrics was performed to quantify the ability of landscape pattern metrics to explain land cover pattern, and to report individual landscape pattern metric values that are statistically independent.
Spivey Alvin, Vodacek Anthony
doaj   +1 more source

Influence de l'altitude, de l'exposition et du climat sur la croissance du pin à crochets (Pinus uncinata Ram.) en Cerdagne (Pyrénées orientales françaises)

open access: yesPirineos: Revista de Ecología de Montaña, 1995
[fr] Une étude dendroécologique du Pin á crochets (Pinus uncinata Ram.) réalisée en Cerdagne française (Pyrénées Orientales) a permis de quantifier le rôle de trois facteurs stationnais sur sa croissance: l'altitude, l'exposition et le climat. 175 arbres
Jeanne Florence Schueller   +1 more
doaj   +1 more source

From Food to Power: Hydrogel Thermoelectrics for Ingestible Electronics

open access: yesAdvanced Functional Materials, EarlyView.
We introduce a fully edible thermoelectric–electrochromic platform that harvests heat from food and converts it into a visible color change. N‐type and p‐type hydrogel thermoelectric generators connected in series power anthocyanin‐based electrochromic displays, demonstrating the feasibility of safe, biodegradable, ingestible systems for on‐food ...
Antonia Georgopoulou   +3 more
wiley   +1 more source

Design And Implementation Of Radix-4 Fast Fourier Transform In Asia Chip With 0.18 M Standard CMOS Technology [TK5102.9. S624 2008 f rb]. [PDF]

open access: yes, 2008
Jelmaan Fourier pantas (FFT) merupakan blok yang penting dan digunakan secara meluas dalam algoritma pemprosesan isyarat digital. The Fast Fourier Transform (FFT) is a critical block and widely used in digital signal processing ...
Palaniappan, Siva Kumar
core  

Fourier-magnitude projection model

open access: yes, 2018
Simulation of Fourier-magnitude projection model in the format of Jupyter ...
Shaowei Jiang (5331824)
core   +1 more source

Home - About - Disclaimer - Privacy