查询词典 cognitive power

The rule space model is a cognitive diagnose model which combines with the cognitive psychology and psychometric. It can be applied to identify cognitive errors in students' problem solving and to classify the examinees into a set of attribute-mastery patterns.

规则空间模型是一种将认知心理学和心理计量学相结合的认知诊断模型，它可用于识别被试解题的认知错误和判别被试的属性掌握模式。

In entire process of learning of cognitive strategy, the student has been through the self-examination, the strategy trial, the migration and a series of consolidations of cognitive strategy to mast the cognitive strategy.

在认知策略的整个学习过程中，学生经过认知策略的反思、认知策略的尝试、认知策略的迁移和应用、认知策略的巩固等阶段，最终掌握认知策略。

The main research results in this dissertation can be given as following:Firstly, the bidding strategies and affections of generation companies on the TOU power price are analyzed; Supply function model is employed to simulate the bidding strategies of generation companies in power pool. Some meaningful results are obtained through the proposed equilibrium equations model, when different bidding parameters are selected to maximize profit of suppliers, such as the the numeral of generation company, the block bidding, and power demand elasticity. Based on these results, the affections between the bidding strategies and the TOU power price are discussed.Secondly, the important principles consider the factor of bidding strategies of generation companies and consumers gaming strategies are proposed to constitute the new TOU power price model under present electricity market. Based on these pricinples a new mathematical model of TOU power price is constructed, to evade electricity market risk, partition the peak-valley, ascertain the consumers' response curve, and protect the ambilateral profits.Thirdly, the affections of the TOU power price strategies for reducing the network loss, adjusting node voltage, improving load curve of power system, and protecting the consumers' benefits in electricity market are analyzed with applications of a city real time load data of Jiangsu province.

针对"厂网分开，竞价上网"的电力市场运营模式，本文主要完成了以下研究工作：1研究了发电商不同的竞价上网策略，利用供给函数均衡方法，建立了发电商的竞价上网策略模型，给出了市场均衡解的具体解法；讨论了不同条件下发电商的竞价策略对市场的影响，并获得了发电商的最优上网竞价策略，明确了竞价上网与峰谷分时电价之间的影响因素；利用电力系统负荷曲线，建立了发电商最优竞价策略与峰谷分时电价之间的相互联系，通过仿真算例分析了峰谷分时电价与发电商最优报价之间的相互影响。2提出了"厂网分开，竞价上网"电力市场模式下，考虑发电侧竞价和用户侧博弈等风险因素影响，峰谷分时电价理论建模在规避电网企业运营风险，保护供电方与用户双方的利益、确定用户响应曲线、划分峰谷时段、设置合理的电价拉开比等方面所应遵循的基本原则，在此基础上建立了适合电力市场模式的峰谷分时电价模型。3从原理上分析了需求侧实行峰谷分时电价策略，对削峰填谷，提高负荷率，改善负荷曲线形状，降低电力系统的电能损耗和电压损耗等方面的影响，并进行了仿真验证。

There is provided a hard disk drive power reduction module. A data storage system for a computer including low power and high power modes, comprising low power nonvolatile memory; high power nonvolatile memory; and a drive power reduction module that communicates with said LP and HP nonvolatile memory, wherein when read data is read from said HP nonvolatile memory during said low power mode and said read data includes a sequential access data file, said drive power reduction module calculates a burst period for transfers of segments of said read data from said HP nonvolatile memory to LP nonvolatile memory.

本发明提供一种数据存储系统，其用于具有高功率和低功率模式的计算机，所述数据存储系统包括：低功率LP永久性存储器；高功率HP永久性存储器；和与所述低功率和高功率永久性存储器通信的驱动功率减少模块，其中，在所述低功率模式期间当从高功率永久性存储器读取读数据时，且所述读数据包括顺序存取数据文件，所述驱动功率减少模块计算一个突发周期，用于把所述读数据片断从所述HP永久性存储器传送到所述LP永久性存储器。

The main research results in this dissertation can be given as following:Firstly, the bidding strategies and affections of generation companies on the TOU power price are analyzed; Supply function model is employed to simulate the bidding strategies of generation companies in power pool. Some meaningful results are obtained through the proposed equilibrium equations model, when different bidding parameters are selected to maximize profit of suppliers, such as the the numeral of generation company, the block bidding, and power demand elasticity. Based on these results, the affections between the bidding strategies and the TOU power price are discussed.Secondly, the important principles consider the factor of bidding strategies of generation companies and consumers gaming strategies are proposed to constitute the new TOU power price model under present electricity market. Based on these pricinples a new mathematical model of TOU power price is constructed, to evade electricity market risk, partition the peak-valley, ascertain the consumers' response curve, and protect the ambilateral profits.Thirdly, the affections of the TOU power price strategies for reducing the network loss, adjusting node voltage, improving load curve of power system, and protecting the consumers' benefits in electricity market are analyzed with applications of a city real time load data of Jiangsu province.

针对&厂网分开，竞价上网&的电力市场运营模式，本文主要完成了以下研究工作：1研究了发电商不同的竞价上网策略，利用供给函数均衡方法，建立了发电商的竞价上网策略模型，给出了市场均衡解的具体解法；讨论了不同条件下发电商的竞价策略对市场的影响，并获得了发电商的最优上网竞价策略，明确了竞价上网与峰谷分时电价之间的影响因素；利用电力系统负荷曲线，建立了发电商最优竞价策略与峰谷分时电价之间的相互联系，通过仿真算例分析了峰谷分时电价与发电商最优报价之间的相互影响。2提出了&厂网分开，竞价上网&电力市场模式下，考虑发电侧竞价和用户侧博弈等风险因素影响，峰谷分时电价理论建模在规避电网企业运营风险，保护供电方与用户双方的利益、确定用户响应曲线、划分峰谷时段、设置合理的电价拉开比等方面所应遵循的基本原则，在此基础上建立了适合电力市场模式的峰谷分时电价模型。3从原理上分析了需求侧实行峰谷分时电价策略，对削峰填谷，提高负荷率，改善负荷曲线形状，降低电力系统的电能损耗和电压损耗等方面的影响，并进行了仿真验证。

The power factor is a power supply system of an importance technique economy index sign, use electricity equipments at consume useful power of in the meantime, return have a great deal of of useless the power be send by the power supply to burden, what power factor reflection is to use electricity equipments at consume certain of have a great achievement power of in the meantime demand of have no achievement power.

功率因数是供电系统的一项重要技术经济指标，用电设备在消耗有用功率的同时，还有大量的无用功率由电源送往负荷，功率因素反映的是用电设备在消耗一定的有功功率的同时所需要的无功功率。

Later, it makes some comparison with four kinds of modulation technique, and finally, it implements the three-level PWM switching power amplifier with the PWM technique. The power of the amplifier is 2kVA, and the frequency bandwidth is 10～3kHz. In the thesis, the author designs and makes the hardwares of the switching power amplifier. The hardwares contain power inverter rank circuit, control system circuit based on DSP, drive and isolation circuit, and protective circuit. The thesis also analyses the potential safety problems and put forward some solutions for the problems. Furthermore, the thesis accomplishes the software design of the control system, and successfully debugs it. The methods of designing higher power ampilfier are also discussed in the thesis. It analyses the feasibility of the methods, outlines the way of how to design higher power switching power amplifier, and does some experiments with the method of switches-parallelling.

根据电动振动试验系统对开关功放的要求，提出了以电感电流瞬时值控制技术为基础的三电平脉宽调制开关功放的设计方案，并通过系统仿真进行了原理性论证；然后设计并制作了开关功放的硬件，包括功率转换电路，基于DSP的控制电路，驱动、隔离电路以及保护电路；针对开关功放数学模型不易得出的特点，细致分析了模糊自适应PID控制方法，在此基础上编写了控制程序；研制出一台功率为2kVA，通频带为10～3kHz的三电平脉宽调制开关功放；论文中还探讨了实现大功率开关功放的方法，分析了各种方法的可行性，给出了实现大功率开关功放的思路，并进行了并联开关管实现大功率开关功放的实验。

Ft Interior Volume Rear: 38.0 cu. ft Luggage capacity: 13.7 cu. ft Performance 0-50 mph (0-80 kmh): n/a 0-60 mph (Manual / Auto): 7.8 / 9.0 sec (7.8 sec / 9.6 sec. quattro) 1/4 Mile: n/a Top estimated speed: 130 mph (203 kmh)- Electronically limited for North America Fuel Economy City (Manual/Auto): 19 / 18 mpg (19 / 18 mpg quattro) Highway (Manual/Auto): 27 / 28 mpg (26 / 27 mpg quattro) Combined (Manual/Auto): 23 / 23 mpg (22 / 21 mpg quattro) Standard Features Comfort/Convenience:· Electronic automatic climate control system, including air conditioning · Power steel sunroof · Power windows with one-touch down, lock-out for rear windows, pinch protection and one-touch up for front windows · Retained accessory power for windows and sunroof · Tinted glass, banded windshield · Power rack and pinion steering · Convenience close feature for windows and optional sunroof · Electronic cruise control with resume and speed up features · Dual power mirrors with defog feature · Electric rear window defogger · Power central locking system including trunk and fuel door; selective unlocking · Heat ducts to rear seat area · Illuminated glove box, trunk, lighter/ashtrays, engine compartment · Ignition key with integral light · Dual illuminated vanity mirrors · 4-passenger assist handles · Time delay interior light · Anti-theft vehicle alarm system · Cupholders · Fuel cap hanger feature Interior/Seating and trim:· 8-way power front seats with manual lumbar adjustment · Front seat map pockets · Facette weave cloth · Leather-wrapped steering wheel · Fold down rear-center armrest with storage container · Rear center armrest · Full length center console with forward storage bin, including cupholders · 60/40 split/fold rear seat with locking seat back · Genuine burled walnut wood trim for dash, door panels and console · Front and rear carpet floor mats Instrumentation:· Backlit instrument cluster, red illumination · Tachometer and electric speedometer · Analog clock · Outside temperature gauge · Trip odometer · Coolant temperature gauge · Oil temperature gauge · Voltmeter · Intermittent wiper mode Audio Systems:· AM/FM stereo cassette radio with anti-theft · 6-speaker sound package · Rear window antenna · Preparation wiring for CD changer · Preparation for cellular phone Exterior:· Aerodynamic 3-way halogen headlights · 5 mph bumpers, painted in body color · Body color, protective side moldings · Retractable headlight washer system · Body color, flush door handles · Body color, outside mirror: right convex, left side flat · Front fog lights · Rear fog light (integrated with left light cluster) Safety:· Anti-lock brake system · Driver and front passenger air bag supplemental restraints · Automatic self-tensioning front seat belt system · Rear outboard 3-point seat belts with comfort adjustment · Rear center lap safety belt with retractor · Child-safety rear door locks

1 / 4 mile ：无/ 1 顶端估计速度：一百三十零英里每小时-电子有限公司，为北美洲燃油经济性市： 19 / 18哩（ 19 / 18哩quattro的）公路： 27 / 28哩（ 26 / 27哩quattro的）结合： 23 / 23哩（ 22 / 21哩quattro的）标准功能舒适/方便：·电子自动气候控制系统，包括空调·电源钢天窗·电源的Windows与一触式下降，锁定为后方的Windows ，夹保护和一触式，为前线的Windows ·保留配件权力for Windows和天窗·有色玻璃，带状挡风玻璃·电源机架和齿轮督导·方便接近的特点，用于Windows和可选的天窗·电子巡航控制与恢复，并加快特色·双电源镜与defog功能·电动后窗defogger ·电源中央门锁系统，包括主干和燃料的大门；选择性解锁·热导管后座区·照明手套箱，躯干，打火机/烟灰缸，引擎·点火的关键与积分光·双发亮的虚荣心镜· 4名乘客协助处理·时间延迟内部轻·反盗窃车辆报警系统· cupholders ·燃油上限吊架功能内部/座位和修剪：· 8路的权力前排座椅手动腰调整·前座地图的口袋· facette编织布·皮革包裹方向盘·折叠后方中心扶手与储藏容器·后方中心扶手·充分的长度中心控制台与储存着斌，包括cupholders · 60/40分裂/倍后座锁定椅背·真正的burled核桃木材装饰为短跑，车门面板和控制台·前方和后方，地毯，地板垫仪器仪表：·背光文书集群，红色照明·转速表和电动里程表·模拟时钟·室外温度衡量·行程里程表·冷却液温度衡量·油温计·伏特·间歇雨刮模式音频系统：·调幅/调频立体声收音机，镭射与反盗窃· 6喇叭声包·后窗天线·准备布线的CD换·准备蜂窝电话外墙：·气动3路卤素头灯·五英里每小时保险杠，描绘了在体色·车身颜色，保护方成型·可伸缩的头灯清洗系统·车身颜色，冲水门把手·车身颜色，外镜：右凸，左侧单位·前雾灯·后方雾轻安全：·汽车防抱死制动系统·司机及前座乘客安全气囊的补充约束·自动自我拉紧前座安全带系统·后方的舷外3点安全带与舒适性调整·后方中心濸安全带与retractor ·儿童安全后门的锁

Trade mode partrecites the operation model power transmission market and detailedly discusses theprice system of power transmission market; on the basis of electrovalence system ofpower transmission, it calculates and analyses province-stridden power transmissionexpenses combining the actualities of countrywide provincial trade and the actualcircumstances of provincial power transmission of middle-Chinese power grid; itrelates to the mode of big power consumers directly purchasing electricity andfinance instrument of power transmission market.

交易模式部分中叙述了输电市场的运营模式，对输电市场的价格体系做了详实的论述和相应的探讨；在输电电价体系的基础上，结合全国省间交易的现状和华中电网跨省输电的实际，对跨省输电费用进行了相关的测算和分析；涉及了大用户直购电模式和输电市场的金融工具。

In the paper, the author did some research on the Graphical Model Platform of MGMS, the subsystem of MGMS. The GMP mainly has four functions as follows. The first aspect is the drawing function of micro-grid power system, including drawing power equipment, selecting power equipment and delete power equipment etc. The second aspect is the function of modifying parameters of power equipment. The third aspect is the function of topology automatic identification of the power system. The last aspect is advanced application function of GMP, including topology analysis and the real-time monitoring of the micro-grid power system which is in operation.

GMP主要要实现以下四个方面的功能：首先是设备绘图功能，包括鼠标绘制设备图元、鼠标选中设备图元、删除设备图元等基本的人机交互绘制微电网接线图功能；其次是修改已建设备的属性；再有是建立与建立的图形系统一致的电力系统网络模型，即对已绘图形的网络拓扑自动识别；最后是在此基础上的高级应用功能，包括电力系统网络拓扑的着色分析和运行数据的实时显示功能。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。