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最新调查显示,很多大公司今年的年终奖都会缩水,且发放年终奖的绩效门槛也在提高。预计明年的情况可能会更糟。If your bonus in 2......
Dispersion compensation based on the combination of coupled ring resonator and photonic crystal stru
An optical delay line of coupled resonator optical waveguide(CROW) compensated by photonic crystal waveguide(PhCW) is pr......
An integrated low-phase-noise voltage-controlled oscillator(VCO) has been designed and fabricated in SMIC 0.18μm RF CMO......
A novel fiber Bragg grating(FBG) sensor with simultaneous sensing of displacement and temperature is presented.The FBG i......
IntroductionThe photo-and thermo-chromisms of organometallic compounds have been intensivelystudied during thelast1 0 ye......
Ka-band ultra low voltage miniature sub-harmonic resistive mixer with a new broadside coupled Marcha
A Ka-band sub-harmonically pumped resistive mixer(SHPRM) was designed and fabricated using the standard 0.18-μm complem......
The interaction between the heat source location, its intensity, thermal expansion coefficient, the machine system confi......
Fabrication of an electro-absorption modulated distributed feedback laser by quantum well intermixin
We report the fabrication details of a monolithically integrated electro-absorption modulated distributed feedback laser......
Investigators seek ways to effectively raise the response rate of surveys. Incentives have a great influence on response......
Considerable progress has been made in active noise control (ANC) in the recent decade. Compared with the conventional ......
Center segregation is the main reason for cup fracture of high-carbon wire rod during drawing. Therefore, to continuousl......
Synthesis, Structure and Photo- luminescence of Cu[(PPh_3)_2](acac) (PPh_3 = Triphenylphosphine, aca
A novel complex Cu(PPh3)2(acac) 1 (PPh3 = triphenylphosphine, acac = acetylacetone) was obtained by a solution reaction ......
The effects of Cu and Zr additions, on the microstructure formation, precipitation and ingot cracking, in commercial 300......
Method on Adjustment of Isochronous Field Change Caused by Temperature Increase for CYCIAE-100 and E
In the compact cyclotron with small magnetic pole gap, it places high requirement for the isochronous filed, as is the c......
目的:指出我国当前中医师多点执业存在的问题,对中医师多点执业的完善提出构建思路。方法:综合运用文献检索、资料收集及向专家咨......
Theoretical analysis and experimental verification of a cost-effective chromatic dispersion monitori
A cost-effective technique for in-service chromatic dispersion monitoring in a 40-Gb/s optical communi-cation system is ......
Polarization mode dispersion(PMD) is considered to be the ultimate limitation in high-speed optical fiber communication ......
We study an electronic compensator (EC) as a receiver for a 100-Gb/s polarization division multiplexing coherent optical......
This paper exploits an optical large multiple input multiple output(MIMO) system.We first establish the non-reciprocity ......
Simultaneous optical signal to noise ratio and symbol rate estimation with blind chromatic dispersio
Based on the peak to valley ratio(PTVR) of the average magnitude difference function(AMDF), we present a novel optical s......
SEMI-ACTIVE CONTROL OF VEHICLE SUSPENSION WITH MAGNETO-RHEOLOGICAL DAMPERS:PART III—EXPERIMENTAL VAL
A hardware-in-the-loop(HIL) test and simulation platform is developed in the laboratory, so as to validate the performan......
Non-sinusoidal phase error is common in structured light three-dimensional(3D)shape measurement system,thus we perform t......
By using the theory of compensated compactness, we prove that there exists a sequence {uεδ}converges nearly everywhere......
自动驾驶汽车之自主性,使现有侵权责任体系面临较大挑战。正是基于对传统模式下驾驶员拥有完全汽车驾驶权的突破,一旦遇到侵权案件......
目的探讨自拟益气养阴软坚汤对酒精性肝硬化代偿期患者的临床意义。方法选取2018年1月—2019年1月在沈阳市第六人民医院综合内二科......
【目的】研究局部水分胁迫对玉米根系导水率的影响,为局部灌溉在农业生产中的利用提供理论依据。【方法】采用分根法对奥玉3007玉......
风洞流场参数-总压、马赫数之间存在严重的耦合关系.解决二者之间的耦合问题,对提高系统的控制精度、减小调节时间、增强系统的稳......
有源电力滤波器APF（Active Power Filter）是解决电网谐波问题的有效手段．其补偿性能取决于谐波电流检测方法和电流控制方法。介绍了一......
提出一种基于硬件解调的二维轮廓检测方法．滤波环节和微分环节由硬件电路实现，使测量分辨力达到亚像素级．该方法使边缘轮廓的检测更为......
动态无功补偿装置在电网中无功补偿的效果很大程度上取决于补偿点的选择。从非解析复变电力系统的动态分析方法出发,指出阻抗模裕......
对引汉济渭工程三河口水库移民长效补偿安置方式进行探讨,结合淹没及规划批复的生产安置情况,通过社会效益及财务经济角度进行比对......
本文介绍了几种常用的同步控制策略并对比其控制性能。选取基于补偿原理的同步方式做为研究对象。采用模糊控制与传统PID控制相结......
本文探讨了高等教育收费的依据、标准和方法．论述了收费政策的公平性和现行收费政策存在的问题．在此基础上，提出了相应的政策建议．......
针对伺服系统二次型最优控制存在的问题,提出了基于模糊神经网络补偿的二次型最优控制方法,该控制方法利用模糊神经网络的实时学习......
逆变器控制策略的无缝平滑切换是逆变器稳定可靠运行的关键。针对逆变器电压型控制策略切换过程中存在的电压突变问题,提出了一种......
研制了一种以电荷转移器件(CTD)为核心,具有频率特性可随意调节的压电传感器频率特性补偿器.论述了补偿原理、电路设计及其技术难......
航空遥感作为一种多功能综合性探测技术,在资源探索、区域监测和环境探测等多种行业中被广泛使用。遥感器作为整个技术的核心部分,......
本文针对六自由度地震模拟台激振器对称分布形式的特点 ,提出了自由度独立控制的思想 ,简化了振动台控制系统的复杂性 ;对于由于载......
文章分析了循环互相关时差提取方法(CCC方法)的不足,提出了基于循环频率补偿的动目标时差提取方法(COF-CCC方法);同时讨论了将该方......
笔者通过对某大城市电网的夏季高峰代表日的负荷实测的分析，提出了当前在电网运行中电压、无功功率、变压器及大用户等方面存在的各......
承包、租赁经营土地和企业，是法律赋予公民的权利，只要符合承包、租赁相关政策和法律规定，任何公民到农村搞承包、租赁经营的权利都受......
DVD激光头中,音圈电机驱动物镜位移,同时也受到弹性恢复力以保持平衡,故音圈电机具有迟滞效应,音圈电机的迟滞效应会影响DVD激光头......
将不同坐标系或投影带地图纳入同一个系统或拼接的较好方法是构建基于地理坐标的数字地图,在基于地理坐标的数字地图的量算中,由于......
中波调幅发射机发生包络输出信号畸变时,将引起传送的广播节目出现失真、可听度下降等问题。为避免以上情况的发生,DAM-10 k W中波......
智能化功率因数控制仪是利用MCS-51系列8031单片机和其它外围电路构成的,具有结构简单、可靠性高、精度高等特点。它不但能测量和......
新《公司法》规定了股东的派生诉讼提起权,但我国派生诉讼制度目前在实践中尚存在一些问题,完善我国股东派生诉讼制度,一方面应当......
探索在切断药品与检验利润的情况下，全科团队模式补偿与分配机制的基本思路和应明确的几个问题，并结合正在进行试点改革的具体案例进......
改变制焦条件（温度、升温速率、保温时间）制备了八个煤焦样品。－７８℃下ＣＯ２物理吸附和２００℃下Ｏ２化学吸附分别测定了它们的总比表面积和活性表面积......
