Construction of Ecological Security Pattern and Identification of Key Regions Based on Ecological Assessment and Circuit Theory [PDF]
, 2023 [Objective] The ecological security pattern of Anhui Province was constructed and the key areas of ecological restoration were identified in order to build an ecological basis for urban development, and to provide a scientific basis for the territorial ...
Chu Zhaojun +4 more
core +1 more source
Construction and Evaluation of an Ecological Network for Dongguan City Based on Urban Big Data POIs and Circuit Theory [PDF]
, 2023 [Objective] The ecological network pattern of Dongguan City, Guangdong Province were constructed and the importance of ecological corridors was evaluated to identify ecological pinch points and barriers, determine the key areas for ecological protection ...
He Xiaxuan +3 more
core +1 more source
Evaluation of Water Resource Vulnerability in Changsha City Based on VSD and Cloud Matter-element Model, and Diagnosis of Obstacle Factors [PDF]
, 2023 [Objective] The vulnerability of water resources in Changsha City was evaluated based on the connotation of vulnerability and its obstacles factors were identified, in order to provide a theoretical basis for the formulation of water resources management
Deng Hongwei, Li Yi
core +1 more source
Novel unified chaotic system with multi-parameter invariable Lyapunov exponent spectrum [PDF]
, 2020 Based on the traditional Qi chaotic system,a novel unified chaotic system with the complex chaotic characteristics was constructed by adding the control parameters and modifying the nonlinear terms.Firstly,basic dynamical characteristics of chaotic ...
Qiuzhen WAN, Zhaoteng ZHOU
core +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2002 以开关信号理论为指导,对电流型CMOS电路中开关变量和信号变量的相互作用进行了分析,并引入了适用于CMOS电路的电流开关理论.基于接地电流开关理论,对几类重要的三值CMOS电路进行了设计.结果表明,应用该理论能获得简单的电路设计.从而进一步完善了开关级逻辑电路设计的研究.
BIJing(毕净) +2 more
doaj +1 more source
Rapid Identification and Extraction of Anthropogenically Disturbed Regions Resulting from Production and Construction Projects in Hubei Province from 2017 to 2021 [PDF]
, 2023 [Objective] This study attempted to identify and extract anthropogenic disturbance areas resulting from production and construction projects in Hubei Province from 2017 to 2021.
Hua Li +3 more
core +1 more source
Design of symmetric binary current-mode CMOS circuits(对称二值电流型CMOS电路设计)
Zhejiang Daxue xuebao. Lixue ban, 2002 应用开关信号理论,建立了基于对称二值逻辑的传输电流开关理论.该理论能从开关级指导设计对称二值电流型CMOS电路.应用该理论设计的对称二值电流型CMOS电路可以利用零电流作为区分二值电流信号的现成阈值,因此,不仅具有简单的电路结构,而且能处理具有双向特性的信号.计算机模拟结果表明:具有理想的逻辑功能.
YAOMao-qun(姚茂群)
doaj +1 more source
Current-mode CMOS multiplication circuits based on spectral techniques(基于谱技术的电流型CMOS乘法器)
Zhejiang Daxue xuebao. Lixue ban, 2003 本文应用开关信号理论,建立了基于谱技术的对称二值逻辑的传输电流开关理论,该理论能从开关级指导设计基于谱技术的对称二值电流型CMOS电路.在基于谱技术的对称二值代数中,"负","线加"和"乘"运算构成完备集,因此,应用传输电流开关理论设计的对称二值电流型电流镜和乘法器电路可以实现任意对称二值函数 .
YAOMao-qun(姚茂群)
doaj +1 more source
Review of array antenna and its application based on electromagnetic surface [PDF]
, 2022 Array antennas based on electromagnetic surface is a frontier in the field of electromagnetic, based on this, the development, research status and applications of electromagnetic surface array antennas were summarized.First, the early development of ...
Changhao LIU +8 more
core +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2002 运用开关信号理论和有界算术运算理论,对电流镜的多种性质进行了讨论,并系统研究了利用电流镜实现电流信号的各种算术运算,其中倍除运算属于初次提出.最后通过N进制半加电路和N值比较电路等两个设计实例介绍了电流镜技术在I2L电路开关级设计中的应用.
WANGLun-yao(王伦耀) +1 more
doaj +1 more source