GF（q）^n上具有线性结构的函数的谱特征

本文在ＧＦ（ｑ）＾ｎ上讨论了密码上的一类弱函数－具有线性结构的函数，证明了其谱特性及有关性质。     

序列k-错线性复杂度算法

本文给出了一个测量流密码序列稳定性的重要指标Ｋ－错线性复杂度的算法,即求ＧＦ（ｑ）上（ｑ＝ｐ＾ｍ,ｐ：素数）周期为Ｎ＝ｐ＾ｎ序列的Ｋ－错线性复杂度的快速算法。在这里对广义ＧａｍｅｓＣｈａｎ算法－ＧＦ（ｑ）上ｐ＾ｎ序列线性复杂度算法进行了简化,并给出了ＧＦ（ｑ）上ｐ＾ｎ序列Ｋ－错线性复杂度算法及其证明。     

（p＋q）端口回转器及其群特性

本文提出了一类多端口电阻元件－（ｐ＋ｑ）端合回转器，用群论的方法研究了所有（ｐ＋ｑ）端口回转器与变压器构成的集合ＧＩＴ（ｐ＋ｑ）。结果表明，当ｐ＝ｑ＝ｎ时，ＧＩＴ（２ｎ）构民群，同时还讨论了（ｐ＋ｑ）端口回转器的分解，电路实现方法和应用。     

有限域上多项式f（x^t）的不可约因式的周期

本文给出了由有限域Ｆｑ上不可约多项式ｆ（ｘ）的周期和次数确定多项式ｆ（ｘ＾ｔ）的不可约因式的周期和次数的方法，这里ｔ是与ｑ互素的正整数。     

一类可控序列的构造和分析

本文通过利用ＧＦ（２＾ｍ）（ｍ≥２）上Ｌ级ｍ序列来控制其上的Ｌ级ｍ序列的方法，构造出了一类具有较高线性复杂度的周期序列，这类序列的线性复杂度的下界为Ｌ（Ｌ＋１）＾ｍ－Ｌ＾ｍ）。     

等价于Z^＊pq中离散对数问题的密钥交换体制

对某类素数Ｐ，Ｂｅｒｔ ｄｅｎ Ｂｏｅｒ证明了Ｄｉｆｆｉｅ－Ｈｅｌｌｍａｎ密钥交换体制等价于Ｚｐ中的离散对数问题，在本文中，我们建立Ｚｎ，ａ中密钥交换体制，其中ｎ＝ｐｑ，ｐ，ｑ为两个未知的大的素因子，ａ为选定的Ｚ＾＊ｎ中的伪原理。同样，在一定的限制下，此体制的安全性等价于Ｚｎ，ａ中离散对数问题。其中ｐ，ｑ应满足：（１）λ（λ（ｎ））只含≤Ｂ的素因子，（２）ｎ／λ（λ（ｎ））≤Ｂ′。其中Ｂ＝Ｑ（ｋ）     

高选择和自终止多也氧化硅SOI技术研究

本研究了ｎ型硅阳极化的高选择和终止工艺，并将该工艺用于形成多孔氧化硅全隔离ＳＯＩ结构。采用这种ＰＩＰＯＳ（Ｆｕｌｌ Ｉｓｏｌａｔｉｏｎ ｂｙ Ｐｏｒｏｎｓ Ｏｘｉｄｉｚｄｅ Ｓｉｉｌｃｏｎ）技术在ｎ＾－／ｎ＾＋／ｎ＾－／衬底上形成的ＳＯＩ（Ｓｉｌｉｃｏｎ Ｏｎ Ｉｎｓｕｌａｔｏｒ）结构，其顶层硅岛厚度可控制在较广范围（从１００ｎｍ到数μｍ），且硅岛宽度可大于１００μｍ．ＸＴＥＭ结果显示顶层硅／氧     

GF（2^8）上快速乘法器及求逆器的设计

基于多项式乘法理论，采用高层次设计方法，设计并采用ＦＰＧＡ实现了ＧＦ（２＾８）上８位快速乘法器，并利用该乘法器设计了一个计算ＧＦ（２＾８）上任一元素的例数的求逆器，该乘法器与求逆器可以应用于ＲＳ（２５５．２２３）码编／译码器。     

环Zq^n上部分bent函数的谱特征

本文在环Ｚｑ＾ｎ上讨论了部分ｂｅｎｔ函数的谱特征（ｑ＝ｐ１＊ｐ２，ｐ１，ｐ２是素数），得到了Ｚｑ＾ｎ上部分ｂｅｎｔ函数的几个新的刻划，揭示了部分ｂｅｎｔ函数的平衡性、线性结构点及非零谱值点之间的相互关系，并对部分ｂｅｎｔ函数的恒变线性结构点进行了分类，指出了它们之间的相互关系，提出了零因子恒变线性结构点和非零因子恒变线性结构两个新概念。     

卫星用AlGaAs／GaAs太阳能电池

介绍了ＧａＡｓ太阳能电池的基本原理，结构设计和制作工艺。用水平液相外延一室分离多片旬延石墨舟研制了ｐ－ＡｌｘＧａ１－ｘＡｓ／ｐ－ｎ－ＧａＡｓ结构的太阳能电池。在ＡＭＯ，１００ｍＷ／ｃｍ＾２２５℃的测试条件下，开路电压（Ｖｏｃ）为９９４ｍＶ，短路电流密度为２３．２ｍｃｍ＾２，填充因子（ＦＦ）为０．７９４，光电转换这１８．２5.     

Resolution Enhancement Technology:Integrated Process Solutions using OPC

DUV lithography, using the 248 nm wavelength, is a viable manufacturing option for devices with features at 130 nm and less. Given the low kl value of the lithography, integrated process development is a necessary method for achieving acceptable process latitude. The application of assist features for rule based OPC requires the simultaneous optimization of the mask, illumination optics and the resist.Described in this paper are the details involved in optimizing each of these aspects for line and space imaging.A reference pitch is first chosen to determine how the optics will be set. The ideal sigma setting is determined by a simple geometrically derived expression. The inner and outer machine settings are determined, in turn,with the simulation of a figure of merit. The maximum value of the response surface of this FOM occurs at the optimal sigma settings. Experimental confirmation of this is shown in the paper.Assist features are used to modify the aerial image of the more isolated images on the mask. The effect that the diffraction of the scattering bars (SBs) has on the image intensity distribution is explained. Rules for determining the size and placement of SBs are also given.Resist is optimized for use with off-axis illumination and assist features. A general explanation of the material' s effect is discussed along with the affect on the through-pitch bias. The paper culminates with the showing of the lithographic results from the fully optimized system.     

Cost-effective test solutions for smart card and other integrated flash applications

From its emergence in the late 1980s as a lower cost alternative to early EEPROM technologies, flash memory has evolved to higher densities and speedsand rapidly growing acceptance in mobile applications.In the process, flash memory devices have placed increased test requirements on manufacturers. Today, as flash device test grows in importance in China, manufacturers face growing pressure for reduced cost-oftest, increased throughput and greater return on investment for test equipment. At the same time, the move to integrated flash packages for contactless smart card applications adds a significant further challenge to manufacturers seeking rapid, low-cost test.     

Theoretical analysis of the relationship between the Brillouin gain coefficient and the strain in the optical-fiber sensors

The relation between the power of the Brillouin signal and the strain is one of the bases of the distributed fiber sensors of temperature and strain. The coefficient of the Bfillouin gain can be changed by the temperature and the strain that will affect the power of the Brillouin scattering. The relation between the change of the Brillouin gain coefficient and the strain is thought to be linear by many researchers. However, it is not always linear based on the theoretical analysis and numerical simulation. Therefore, errors will be caused if the relation between the change of the Brillouin gain coefficient and the strain is regarded as to be linear approximately for measuring the temperature and the strain. For this reason, the influence of the parameters on the Brillouin gain coefficient is proposed through theoretical analysis and numerical simulation.     

An improved parallel thinning algorithm with two subiterations

The parallel thinning algorithm with two subiterations is improved in this paper. By analyzing the notions of connected components and passes, a conclusion is drawn that the number of passes and the number of eight-connected components are equal. Then the expression of the number of eight-connected components is obtained which replaces the old one in the algorithm. And a reserving condition is proposed by experiments, which alleviates the excess deletion where a diagonal line and a beeline intersect. The experimental results demonstrate that the thinned curve is almost located in the middle of the original curve connectivelv with single pixel width and the processing speed is high.     

Novel fiber-optical interferometer with miniaturized probe for in-hole measurements

Today, micro-system technology and the development of new MEMS （Micro-Electro-Mechanical Systems） are emerging rapidly. In order for this development to become a success in the long run, measurement systems have to ensure product quality. Most often, MEMS have to be tested by means of functionality or destructive tests. One reason for this is that there are no suitable systems or sensing probes available which can be used for the measurement of quasi inaccessible features like small holes or cavities. We present a measurement system that could be used for these kinds of measurements. The system combines a fiber optical, miniaturized sensing probe with low-coherence interferometry, so that absolute distance measurements with nanometer accuracy are possible.     

Study of waveguide coupling efficiency in hybrid silicon lasers

This paper presents a new method to increase the waveguide coupling efficiency in hybrid silicon lasers. We find that the propagation constant of the InGaAsP emitting layer can be equal to that of the Si resonant layer through improving the design size of the InP waveguide. The coupling power achieves 42% of the total power in the hybrid lasers when the thickness of the bonding layer is 100 nm. Our result is very close to 50% of the total power reported by Intel when the thickness of the thin bonding layer is less than 5 nm. Therefore, our invariable coupling power technique is simpler than Intel＇s.     

Teleportation of an arbitrary unknown N-qubit entangled state under the controlling of M controllers

A new quantum protocol to teleport an arbitrary unknown N-qubit entangled state from a sender to a fixed receiver under M controllers(M < N) is proposed. The quantum resources required are M non-maximally entangled Greenberger-Home-Zeilinger (GHZ) state and N-M non-maximally entangled Einstein-Podolsky-Rosen (EPR) pairs. The sender performs N generalized Bell-state measurements on the 2N particles. Controllers take M single-particle measurement along x-axis, and the receiver needs to introduce one auxiliary two-level particle to extract quantum information probabilistically with the fidelity unit if controllers cooperate with it.     

Diode-end-pumped Nd:YVO4/LBO lasers with 4.2W continuous-wave output at 457 nm

A continuous-wave (CW) 457 nm blue laser operating at the power of 4.2 W is demonstrated by using a fiber coupled laser diode module pumped Nd: YVO4 and using LBO as the intra-cavity SHG crystal With the optimization of laser cavity and crystal parameters, the laser operates at a very high efficiency. When the pumping power is about 31 W, the output at 457nm reaches 4.2 W, and the optical to optical conversion efficiency is about 13.5% accordingly. The stability of the out putpower is better than 1.2% for 8 h continuously working.     

Call for Papers

正Wireless Body-area Networks The last decade has witnessed the convergence of three giant worlds:electronics,computer science and telecommunications.The next decade should follow this convergence in most of our activities with the generalization of sensor networks.In particular with the progress in medicine,people live longer and the aging of population will push the development of wireless personal networks     

Call for Papers—Feature Topic,Vol.12,No.7,2015

正Information Centric Networking Information-Centric Networking(ICN) is an emerging direction in Future Internet architecture research,gaining significant tractions among academia and industry.Aiming to replace the conventional host-to-host communication model by a data-centric model,ICN treats data content as the first