搜索结果: 1-15 共查到“工学 transmission system”相关记录15条 . 查询时间(0.12 秒)
Power flow control with Distributed Flexible AC Transmission System (D-FACTS) devices
Climate change energy crisis the financial crisis electric power the power industry power grid internal efficiency
2014/12/31
Climate change, energy crisis and financial crisis are some of the issues that affect the transformation of power and the power industry. [13] Distributed FACTS or D-FACTS devices are being used today...
Analyzing the topological, electrical and reliability characteristics of a power transmission system for identifying its critical elements
Critical infrastructures Vulnerability assessment Electrical transmission system Network analysis Reliability Connectivity degree
2012/4/16
The subject of this paper is the analysis of an electrical transmission system with the objective of identifying its most critical elements with respect to failures and attacks. The methodological app...
A novel bidirectional transmission system is proposed and experimentally demonstrated using a four-port interleaver to enable unidirectional amplification. Following bidirectional transmission through...
This investigation presents a novel 50-GHz interleaved bidirectional transmission system with eight wavelengths that uses four-port interleavers in a bidirectional recirculating loop. This bidirection...
Semi-blind Nonlinear Equalization in Coherent Multi-Span Transmission System with Inhomogeneous Span Parameters
Fiber optics communications Coherent communications
2015/6/8
Semi-blind sequence is proposed for optimizing the nonlinear equalization parameters from limited prior knowledge of link. Its performance is demonstrated in an extreme case where the fiber type of a ...
静液传动系统自适应模糊滑模控制（Adaptive Fuzzy Sliding Mode Control for Hydrostatic Transmission System）
静液传动 滑模变结构控制 自适应模糊控制
2010/1/28
针对静液传动系统的速度控制问题，提出一种带有摩擦力矩补偿的自适应模糊滑模的设计方案。引入摩擦力矩动态补偿的方法，对摩擦力矩进行动态实时补偿，提高系统的响应速度和稳态误差。采用自适应模糊滑模控制解决因系统的不确定性及干扰的存在而不能准确控制的问题，使控制器的设计不依赖于被控对象的精确数学模型。基于李雅普诺夫函数推导出规则参数调整的自适应率，保证闭环控制系统的稳定性，并削弱了高频抖振。仿真结果表明该方...
Optimization of a FBG-based filtering module for a 40 Gb/s OSSB transmission system
optical single sideband alternate mark inversion dispersion compensation
2011/5/9
We present the optimization of an optical filtering module (OFM) of a single-channel 40 Gb/s
transmission system with optical single-sideband modulation and alternate mark inversion
signaling. Sideb...
车辆传动系统虚拟样机建模与验证（Virtual Prototyping Modeling and Validation of Vehicle Transmission System）
车辆 传动系统 虚拟样机建模
2009/11/3
为实现在设计阶段对车辆传动系统性能进行预测，以目前广泛应用的液力机械传动系统的组成和工作原理为基础，提出了可闭锁式液力变矩器和换挡离合器两个关键部件级，以及整个系统级虚拟样机建模方法，并进一步分析建立了相对应的数学模型。以起步工况试验的动力输入特性和操纵方式作为模型的输入条件对其进行了验证。通过仿真与试验测试结果对比，表明所建立的模型正确、合理并具有较高的精度。
基于ARM的土壤含水率无线传输系统设计（Development of ARM-based Wireless Transmission System of Soil Moisture）
土壤含水率 ARM 无线传输
2009/11/3
介绍一种基于ARM处理器的土壤含水率无线传输系统。在对系统功能要求进行说明的基础上，设计了基于嵌入式系统的土壤含水率无线传输终端，包括土壤含水率采集系统和嵌入式系统软件。针对土壤含水率无线传输系统功能及特征，阐述了系统应用的性能特点和重要意义。
Realisation of a real-time 12.1 Gb/s optical OFDM transmitter and its application in a 109 Gb/s transmission system with coherent reception
optical OFDM transmitter transmission system
2015/7/20
For the first time a realisation of a real-time 12.1 Gb/s FPGA-based O-OFDM transmitter is demonstrated (Q=19.1 dB) and successfully applied in a 9x12.1 Gb/s transmission over 400 km SMF.
Transparent Radio-over-Multimode Fiber Transmission System with Novel Transceiver for Picocellular Infrastructures
Radio-over-Multimode Fiber Transmission System with Novel Transceiver Picocellular Infrastructures
2015/7/20
A characterization of a Radio-over-Multimode fiber link using a novel reflective electro-optic transceiver for bidirectional transmission over a single fiber is presented. EVM measurements show that t...
Cascaded Phase-Preserving Amplitude Regeneration in a DPSK Transmission System
Cascaded Phase-Preserving DPSK Transmission System
2015/7/15
Experimental results obtained on 10 Gb/s RZ-DPSK transmission in a recirculating fiber-loop setup show that nonlinear amplifying loop mirrors can efficiently enhance system performance. Main limiting ...
Simultaneous Bidirectional Gigabit Hybrid Transmission System Using Optical Carrier Suppression in Dual-parallel Injection-locked FP-LDs
Gigabit Hybrid Transmission System Optical Carrier Suppression Dual-parallel Injection-locked FP-LDs
2015/8/3
A novel scheme of a dual-parallel injection locking, based on commercially available Fabry-Pérot laser diodes, is proposed. It was verified for the proposed technique to improve a suppression ratio of...
Review of 20 years of undersea optical fiber transmission system development and deployment since TAT-8
undersea optical fiber transmission system development
2015/7/30
TAT-8 was the first optical transatlantic undersea system, starting a dramatic expansion of the global telecommunications network. This paper reviews the drivers and products that emerged since TAT-8 ...
Possibilities of driveability and fuel consumption improvement by advanced control power transmission system in passenger car
control power transmission system continuously variable transmission belt driveability
2010/11/1
The correct work of a power transmission system for the sake of a car motion properties, fuel consumption and pollution emission, requires proper control of an engine and power transmission system. Th...