查询词典 direct method

Unlike most of the existing schemes, this paper presented a novel quasi direct power control method for PWM rectifier in stationary frame based on instantaneous power theory.

通过分析电压型PWM整流器的瞬时功率，在两相静止坐标系下提出一种新型的准直接功率控制策略。

The chapter four to chapter eight analyze the railway engineering cost making standard from the sides respectively including railway engineering quotation, railway quotation direct cost, site administration cost, construction measurement cost, indirect cost and profit, analyze the key factor which influencing cost, confirm the scientificity and rationality of the current cost making standard basing on field measuring data, bring forward the advise of the ways and method of reducing invest and cost, and bring forward the opinion and advice for improve and perfect the current railway cost making standard.

第4～8章分别从铁路工程定额、铁路定额直接费、现场管理费、施工措施费、间接费和利润等方面对铁路工程造价计价标准进行分析，分析影响费用的关键因素，依靠实测数据检验现行各项计价标准的科学性与合理性，提出降低投入、减少成本支出的途径和方法的建议，并对现行铁路计价标准提出改进和完善的意见和建议。

The design and the realization of missile wing and rudder load simulation system based on digital signal processor and direct torque control servo driver are discussed.The structure,strategy of control and operation principle of the system are presented.The reason of the superabundant torque and the method which can eliminating the superabundant torque are analysed.

研究以数字信号处理器和以直接转矩控制输出的伺服驱动器为核心的导弹弹翼尾翼加载控制系统的系统结构、控制策略、工作原理及实现方法，详细分析加载系统中多余力矩的产生及抑制方法，解决电动加载系统关键性的两个难点，即快速性和多余力消除。

Analyses the formation and essence of iron loss on electrical machine,discusses the demagnetization principle of armature reaction of direct current machine,specifies the implication of parallel operation of synchronization generator by quasi-synchronous method,thereby understands relative concepts deeply.

分析了电机中铁心损耗的形成机理及其本质，讨论了直流电机电枢反应的去磁机理，明确了同步发电机准同期并列的含义，从而深刻理解有关基本概念。

In the power generation process, the ICP-AES method, for production supervision, can be used to analyze the contents of waste water, atmospheric dusts, welding dusts, coal powder ash, fuel coal, scales, alloys, boiler water, and all kinds of discharged water, to direct production.

运用ICP-AES法在电力生产过程中所涉及的废气、大气尘埃、焊尘、粉煤灰、燃煤、结垢物、合金材料、锅炉用水、各种排放水等进行成分分析，指导生产运行。

Objectives:To estimate willingness to payfor typhoid vi vaccine in typhoid epidemic area in Guangxi Zhuang Autonomous Region and develop direct evidence for policy maker,as well as describe the choice model of typhoid vi vaccine in typhoid epidemic area and discuss the application of the Contingent Valuation Method in survey of willingness to pay.

目的：评估广西伤寒流行地区灵川县居民对伤寒ⅵ疫苗的支付意愿，为卫生决策者在全球推广伤寒疫苗提供直接证据；调查灵川县居民对伤寒ⅵ疫苗的选择偏好；探讨条件价值法在疫苗支付意愿调查中的应用。

This text puts forward a new method of the direct polygon measuring side traverse survey underground, and deals with how to use it to survey underground.

提出了井下导线测量的新方法，即&直伸多边形量边导线测量法&，并具体介绍了如何运用&直伸多边形量边导线测量法&进行井下导线测量。

This paper introduces the method of traverse survey using direct measuring three-dimensional coordinates of control point by electronic total station instrument.

介绍采用蔡司C 20全站仪直接测定控制点三维坐标进行导线测量的作业方法，突破了传统的导线测量模式，不需分别测边、测角及内业计算就可自动测定三维坐标并自动平差。

This paper describes tire test module's design and implementation of the direct-type Tire Pressure Monitoring System, with Infineon\s SP12 temperature and pressure sensors, Microchip's low-power microcontrollers PIC microcontroller, Maxim\s MAX1479 RF transmitter chip as the core of the tire test module, specifically the optimized circuit connection diagram is given in this paper, and a composite tire ID positioning method is proposed.

作者单位：哈尔滨理工大学，测控技术与仪器黑龙江省高校重点实验室论文摘要：本文针对直接式汽车轮胎压力监测系统，以Infineon公司的SP12温度压力传感器，Microchip低功耗微控制器PIC系列单片机，Maxim的MAX1479射频发射芯片为核心对胎内检测模块进行了设计和实现，并具体给出优化了的电路连接框图。

Introduce and analysed lukewarm the characteristic that controls a system, gave out then the design that gray forecasts ambiguous controller, through Matlab emulation experiment makes clear, when systematic parameter produces change, use this method and photograph of effect of groovy PI control to compare, having better control precision and dynamic character, to actual constant temperature control has certain direct sense.

介绍和分析了温控系统的特征，接着给出了灰色猜测模糊控制器的设计，通过Matlab仿真试验表明，在系统参数发生变化的时候，采用此方法和常规PI控制效果相比，具有着更好的控制精度和动态特性，对实际恒温控制具有一定的指导意义。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。