The analytical expression for the self-Kerr nonlinear coefficient in a three-level V-type atomic medium is found in the presence of the Doppler effect.
Le Van Doai, Dinh Xuan Khoa
doaj +3 more sources
Performance Analysis and Coefficient Generation Method of Parallel Hammerstein Model Under Underdetermined Condition [PDF]
Nonlinear signal models are widely used in power amplifier predistortion, full-duplex self-interference cancellation, and other scenarios. The parallel Hammerstein (PH) model is a typical nonlinear signal model, but its serial and parallel hybrid ...
Nanzhou Hu +4 more
doaj +2 more sources
Mechanical structural health prognosis with nonlinear mixed frequency ultrasonic signal analysis [PDF]
In order to detect the early fatigue crack of mechanical components simply, this paper puts forward the ultrasonic testing technology of different side collinear mixing.
Chen Hanxin +4 more
doaj +1 more source
Effect of sintering time on microstructure and electrical properties of varistor ceramics ZnO-CoO-SLS glass [PDF]
The influence of sintering time on the microstructure and electrical properties of ZnO-CoO-SLS (soda lime silica) glass varistor based ceramics has been investigated.
Ismail Nur Quratul Aini +2 more
doaj +1 more source
Thermal Vibration of Thick Functionally Graded Material Spherical Shells by Using Third-order Shear Deformation Theory and Simply Homogeneous Equation [PDF]
The effect of third-order shear deformation theory (TSDT) on the functionally graded material (FGM) thick spherical shells under sinusoidal heating loads can be studied by using the generalized differential quadrature (GDQ) method.
C.C. Hong
doaj +1 more source
Fatigue Damage Evaluation of Compressor Blade Based on Nonlinear Ultrasonic Nondestructive Testing
Nonlinear ultrasonic testing is highly sensitive to micro-defects and can be used to detect hidden damage and defects inside materials. At present, most tests are carried out on specimens, and there are few nonlinear ultrasonic tests for fatigue damage ...
Pengfei Wang +4 more
doaj +1 more source
Design and Simulation of Photonic Crystal Fiber for Liquid Sensing
A simple hexagonal lattice photonic crystal fiber model with liquid-infiltrated core for different liquids: water, ethanol and benzene, has been proposed.
Abdul Mu’iz Maidi +6 more
doaj +1 more source
An Interface Pressure Detection Method of Cable Silicone Rubber-XLPE Based on Nonlinear Ultrasound
The interface pressure between the cable attachment and the body is crucial for the stable long-term operation of the cable. To solve the issue of interface insulation characteristics’ damage caused by the pressure transducer measurement method, a non ...
Chunhua Fang +7 more
doaj +1 more source
Predicting the Life of Varistors via a Nonlinear Coefficient Based on a Small-Scale Data Model
With the great leaps forward in the development of the railway, the importance of safe operation and maintenance has become increasingly prominent. Varistor is the key component insurge protective devices for railway communication and signaling equipment,
Xiaofei Ruan +3 more
doaj +1 more source
Nonlinear characteristics of fused silica, solid-core photonic crystal fibers (PCFs) with a square array of air holes are studied numerically. We present a novel design that emphasizes the difference in air hole diameters in the photonic cladding.
Tran Bao Tran Le +6 more
doaj +1 more source

