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991.
Meimei Xia Zeshui Xu 《Information Fusion》2012,13(1):31-47
We study the group decision making problem under intuitionistic fuzzy environment. Based on entropy and cross entropy, we give two methods to determine the optimal weights of attributes, and develop two pairs of entropy and cross entropy measures for intuitionistic fuzzy values. Then, we discuss the properties of these measures and the relations between them and the existing ones. Furthermore, we introduce three new aggregation operators, which treat the membership and non-membership information fairly, to aggregate intuitionistic fuzzy information. Finally, several practical examples are presented to illustrate the developed methods. 相似文献
992.
In this paper, we present the induced generalized intuitionistic fuzzy ordered weighted averaging (I-GIFOWA) operator. It is a new aggregation operator that generalized the IFOWA operator, including all the characteristics of both the generalized IFOWA and the induced IFOWA operators. It provides a very general formulation that includes as special cases a wide range of aggregation operators for intuitionistic fuzzy information, including all the particular cases of the I-IFOWA operator, GIFOWA operator and the induced intuitionistic fuzzy ordered geometric (I-IFOWG) operator. We also present the induced generalized interval-valued intuitionistic fuzzy ordered weighted averaging (I-GIIFOWA) operator to accommodate the environment in which the given arguments are interval-valued intuitionistic fuzzy sets. Further, we develop procedures to apply them to solve group multiple attribute decision making problems with intuitionistic fuzzy or interval-valued intuitionistic fuzzy information. Finally, we present their application to show the effectiveness of the developed methods. 相似文献
993.
We present a deposited microbead plug (DMBP)-based microfluidic chip capable of performing plasma extraction and on-chip immunoassay.
The DMBP used as a porous blood filter provides pure blood plasma without the contamination of blood cells or beads. Capillary-driven
flow eliminates the requirement of external pumps. The human IgG and goat anti-human IgG sample-to-answer assay was performed
in this chip within 600 s using only a 10 μl whole-blood sample. This easy-to-use, rapid, inexpensive, and disposable DMBP-based
chip holds a great promise for point-of-care application. 相似文献
994.
Xu Yuhua Zhou Wuneng Fang Jian-an 《International Journal of Control, Automation and Systems》2012,10(2):415-420
To simulate more realistic networks, we introduce a complex dynamical network model with double non-delayed and double delayed
coupling and further investigate its synchronization phenomenon in this paper. Based on Lyapunov stability theory, adaptive
synchronization criteria is obtained. Analytical result shows that under the designed adaptive controllers, the complex dynamical
network with double non-delayed and double delayed coupling can asymptotically synchronize to a given trajectory. What is
more, the coupling matrix is not assumed to be symmetric or irreducible. Finally, simulation results show the method is effective. 相似文献
995.
Patterned paper and alternative materials as substrates for low-cost microfluidic diagnostics 总被引:1,自引:1,他引:0
In recent years a strong need has been realised for the creation of low-cost diagnostics for use in impoverished regions of the world. The use of paper has been championed for this purpose by many research groups globally over the past 5?years, leading to the formation of a large body of knowledge. This work reviews and summarises the many techniques developed to date for the patterning of paper substrates to create channels for the flow of liquids. The work also explores methods for increasing the functionality of paper-based microfluidics, the detection mechanisms employed so far and some of the interesting applications addressed. The review will also investigate the recent use of some alternative materials—both as primary substrates and in hybrids—which will become progressively more important in the future. 相似文献
996.
该文提出了一种针对无源RFID标签的位置检测的方法。此方法将反向散射调制与地面标识相结合来估计标签的当前位置,不需要改变当前的RFID标准,利用现有的硬件条件就可以实现。文章首先介绍反向散射调制和地面标示估算标签位置的方法,并提出两种方法混合计算的优化算法流程,另外方法的改进措施也被提了出来。最后通过实验和仿真来说明这种方法的有效性和稳定性。 相似文献
997.
Xu J Shaikh AS Vest RW 《IEEE transactions on ultrasonics, ferroelectrics, and frequency control》1989,36(3):307-312
Crack-free and dense BaTiO(3) films 4 to 8 mum thick were prepared by spinning a solution of metalloorganic precursors onto an appropriate substrate, and firing and annealing the film in air at certain temperatures to obtain appropriate grain sizes. The electrical properties of the films were studied as a function of grain size, temperature, frequency, and DC bias. Films with a grain size of 0.2 mum showed ferroelectric properties similar to bulk BaTiO(3). 相似文献
998.
徐思淑 《云南工业大学学报》1992,(3)
本文从现代生活对居住环境的要求出发,指出目前我国城市住宅区空间环境规划设计中普遍存在的过于理性化、简单化、标准化的构成模式的不合理性。呼吁建筑师、规划师们应广泛根植于人民,关怀每日所居住的生活环境,了解当地居民的心理机制、行为需求、情感意志、文化趣味等,并以此作为唯一依据,从宏观控制入手,根据住宅区的时空特性进行规划设计,进而创造出能真正适合于当地居住对象所需要的、富有人情味的居住环境,以确保其生活品质。 相似文献
1000.
本文通过对赣江流域袁河“82·6”和“89·7”两次大洪水的分析比较,得出结论:准确的水情预报和水库工程正确的调度方式,能减轻下游防洪负担,最大限度地减少洪灾损失,夺取抗洪斗争的胜利。文中提醒人们,在防汛工作中,应把非工程措施提高到相当的地位来加以重视。 相似文献