搜索结果: 1-10 共查到“工学 Bent”相关记录10条 . 查询时间(0.015 秒)
Flexible Optical Waveguide Bent Loss Attenuation Effects Analysis and Modeling Application to an Intrinsic Optical Fiber Temperature Sensor
Optical Fiber Losses Curvature Sensor Temperature Micro Technology
2013/1/30
The temperature dependence of the bending loss light energy in multimode optical fibers is reported and analyzed. The work described in this paper aims to extend an initial previous analysis concernin...
Experimental verification of higher-order mode suppression in a bent large-mode-area multi-cladding fiber
Fiber design and fabrication iber properties
2015/6/9
A novel technique to suppress the higher-order mode in a bent large-mode-area triple-cladding fiber is experimentally presented. 3-dB suppression of LP 02 mode is observed on a fabricated triple-cladd...
Simple suppression technique for higher-order mode amplification in bent large mode area triple-cladding fibers
Fiber design fabrication iber properties
2015/6/4
A novel technique to suppress the higher-order mode in bent LMA triple-cladding fibers is proposed. It is shown that the higher-order mode can be coupled to a cladding mode with only an adjustment of ...
bent函数和半bent函数的二阶非线性度下界
密码学 布尔函数 Walsh变换 非线性度
2011/5/18
该文研究了形如f(x,y)的n+1变元bent函数和半bent函数的二阶非线性度，其中x∈GF(2n), y∈GF(2)。首先给出了f(x,y)的2n-1个导数非线性度的精确值；然后推导出了函数f(x,y)的其余2n个导数的非线性度紧下界。进而给出了f(x,y)的二阶非线性度的紧下界。通过比较可知所得下界要优于现有的一般结论。结果表明f(x,y)具有较高的二阶非线性度，可以抵抗二次函数逼近和仿射逼...
Two-Dimensional Photonic Crystal L-Shaped Bent Waveguide and its Application to Wavelength Multi/Demultiplexer
photonic crystals L-shaped bent wave guide multi/demultiplexer
2009/7/28
The bent waveguide is a key element for integrated optical signal processing waveguide devices. We propose a new type of two-dimensional photonic crystal L-shaped bent waveguides with additional pilla...
Bent互补函数偶族的充分必要条件
编码理论 Bent函数 Bent互补函数偶族
2009/5/13
该文在研究Bent互补函数偶族性质的基础上,证明了Bent互补函数偶族与Hadamard互补矩阵偶族等价关系,即Bent互补函数偶族的构造充分必要条件,给出了Bent互补函数偶族的一种构造方法。根据等价关系,该文实质上也给出了Hadamard互补矩阵偶族的性质、构造方法,这些表明Bent互补函数偶族在最佳信号设计方面有广阔的应用前景。
Experimental Study on Primary Energy Conversion Characteristics of Backward Bent Duct Buoy
Primary Energy Conversion BBDB
2009/3/27
Backward Bent Duct Buoy (BBDB) is a kind of oscillating water column type wave energy converter invented by Masuda.BBDB is said that it has superior primary conversion efficiency and the mooring cost ...
Bent序列和Gold-like序列的构造
Bent序列 Gold-like序列 Hadamard变换
2008/6/13
该文研究Bent序列和Gold-like序列, 设计了3类快速生成的Bent序列, 此外, 基于Klapper(1993)对几何序列相关性的分析, 递归地构造了一类Gold-like序列, 所得的Gold-like序列涵括了Khoo, Gong和Stinson(2002)递归生成的Gold-like序列。 根据Olsen, Scholtz和Welch(1982)给出的Bent序列簇的构造方法, 该...
由于非线性组合函数的密码性质通常可以由函数的Walsh谱和自相关函数来刻划，因而对函数的密码性质的分析通常要计算大量的Walsh循环谱值和自相关函数值来验证。 该文利用一类k阶拟Bent函数的特殊性质，把对这类函数的密码性质的研究转化为对矩阵性质的研究，如平衡性、相关免疫性、扩散性、最高代数次数等。 这种转化避开了大量的计算，同时为构造密码性质好的k阶拟Bent函数提供了一种更为简洁且易于实现的方...
Evaluation of load control end-feed in hydroforming of pre-bent dp600 steel tube using the extended stress-based forming limit curve (xsflc) failure criterion
hydroforming stress-based failure criterion load control end-feed formability tube bending
2010/3/11
The work presented in this paper utilizes advanced nite element models ofthe pre-bending and hydroforming processes to investigate the e ect of load control endfeed (EF) on the formability of DP600 s...