Based on the equilibrium relationship of highway supply and demand,the index of highway network supply-demand matching degree is proposed,and it provides a reference for evaluation of regional highway network construction.
回顾分析了现有公路网规模评价指标,指出其存在的不足之处,基于公路网不同层次供需水平之间的均衡关系,构建了路网供需匹配度的评价指标,以期为地区公路网建设规模的合理性评价提供有益的借鉴。
Design of a matching circuit between pulse power supply and capacitive load based on frequency response analysis;
基于频响分析法的脉冲电源与容性负载间匹配电路设计
Presents the structure and operating principle of current feedback frequency tracking and analyses the effects of matching circuit on resonant frequency, and concludes that current feedback frequency tracking with matching does not track resonant frequency.
介绍了具有电流反馈式频率跟踪功能的超声发生器的系统结构 ;详细阐述了电流反馈式频率跟踪的原理 ;在分析了匹配电路对压电超声换能器谐振频率影响的基础上 ,指出匹配条件下对压电换能器进行电流反馈式频率跟踪可能会误跟踪到非谐振频率点 ;进行了匹配条件下的电流反馈式频率自动跟踪方法的研究 ,进一步完善了电流反馈式频率自动跟踪方法 。
The effects of matching circuit on resonant frequency and vibrational charac- teristics of piezoelectric ultrasonic transducers were studied.
研究了匹配电路对压电超声换能器共振频率及其振动特性的影响；分析了由匹配电路和换能器组成的能量传输系统的有效机电耦合系数与匹配电路参数之间的关系。
8 GHz High Efficiency Internally Matched AlGaN/GaN HEMT Power Amplifier
一个8GHz基于AlGaN/GaN HEMT的内匹配电路
Digital AGC input-matching circuit for soft-decision LDPC Decoders
基于AGC方法的软判决LDPC译码器输入匹配电路
Design of Microwave Power Transistor Amplifier's Match Circuit
微波功率晶体管放大器匹配电路的设计
The Influence of Inductance Capacitance Matching Circuit on Ultrasonic Transducer
电感电容匹配电路对超声换能器振动特性的影响
Matching Solution to the Pulse Function of Linear None-time Modification of Electric Circuit;
线性非时变电路的冲激函数匹配解法
The Polynomial Model of Circuit and Its Application in Component Matching;
电路的多项式模型及其在元件匹配中的应用
Heuristic fast-matching algorithm for synthesis of quantum reversible logic circuits
量子可逆电路综合的启发式快速匹配算法
Analysis and Design of a Detecting Circuit for the Match of Antemma
一种天馈线匹配检测电路的分析与设计
AN ADVANCED IMAGE MATCHING ORIENTED ASIC
一种面向图像匹配算法的高性能专用集成电路设计
Research on the Resonant-Tank Parameters Design and Load-Matching of Voltage-Source Load-Resonant Converters;
电压型负载谐振变换器谐振槽路参数优化设计与负载匹配的研究
Signals transmitting between the sensor and the metrical circuit in the verifying - measure system;
检测系统中传感器与测量电路之间的信号传输与匹配
Parameter Matching of Relay Protection in DC Traction Power System
直流牵引供电系统继电保护参数匹配
This path does not match the DOS format for filenames.
该路径不与 DOS 的文件名格式匹配。
Applications of computer simulation software in military communications railway transportation;
铁路军事运输运力匹配仿真模拟初探
Engine Management System to Meet Euro-Ⅲ Emission Regulation
发动机电子控制系统欧-Ⅲ排放匹配
Optimizes of Wind-PV Power Supply System s Research with Wind and Light;
风光混合供电系统风光匹配性的研究
Study on Matching Batteries for Mild Hybrid Electric Vehicle;
轻度混合动力汽车动力电池匹配研究
Study on the Parametric Design and Control Strategy of Hybrid Power System;
复合电源的参数匹配与控制策略研究