查询词典 functional unit

A processor is composed of two functional units—a control unit and an arithmetic/logic unit—and a set of special workspaces called registers.

一个处理器由两个功能单元----控制单元和计算或逻辑单元，以及一个叫做寄存器的特殊工作空间组成。

Using some hypothesis,in this paper,a function of the number of check-verifying times in unit time for safety mornitor systems is presented the extreme functional value by the calculus of variations is evaluated and a mathematical model of check-verifying period with the minimum of check-verifying and losing cost is obtained.

在一系列假设的基础上，给出了安全监测系统单位时间内校验次数的泛函，用变分法求泛函极值，得出了校验费和损失费最小的校验周期数学模型。

Some special operational features of the two-dimensional object scanner, which is the fundamental componentof the echotomoscope ETS-01, are the necessity of positioning the measuring markers anywhere on the entire screen, and the broadening of the scope of the functional keys, which demanded the development of a new series of digital modules: a character generator, an address generator, and a frame storage unit.

一些特殊的运行特点、二维对象扫描器的基本componentof echotomoscope的必要性的基础上，是ETS-01定位测量标志在整个屏幕，继续扩大范围所要求的功能键，开发的一种新型系列数码模块：一个字符发生器、一、一帧存储单元。

The experience in using a single-chip microcomputer of type KMI816VE48 for a pilot series of ultrasound diagnostic units has pointed out its broad capabilities in accomplishing such controller functions as servicing a functional keyboard, managing operating procedures of the unit, interaction with the character generator, and formation of markers and cursor lines on the screen of the video monitor.

在利用试验的超声波系列的单芯片微机型KMI816VE48诊断单位的经验指出，在完成的服务功能键盘，管理单位，以字符发生器的互动运作程序等功能，其广泛的控制能力，和形成的标记和光标线对视频监控屏幕。

Due to the nonproprietary characteristic of the functional authority of planning and designing institutional unit, the reform concerning with the systems in should not be confined only within the perfection in management system.

规划设计事业单位的职能具有较强的公益性特点，因此规划设计事业单位体制的改革，就不能仅仅局限于自身的经营管理体制的完善。

Then, on the basis of the functional verification, the system architectures of the radio frequency analog front end and the control logic circuit for the passive UHF RFID transponder are studied and designed with low-power design techniques. The RF AFE circuit includes rectifier, matching network, backscatter, regulator, AM demodulator, voltage reference, local oscillator and power on reset circuit, and so on. The control logic circuit contains clock synchronization module, decoding module, coding module, cyclic redundancy checksum module, power management unit, control unit, shift register and memory.

然后，在功能验证的基础上，重点研究了无源超高频射频识别标签芯片射频模拟前端电路和控制逻辑电路的系统架构，并采用低功耗设计技术对其进行了设计，射频模拟前端电路设计包括了整流器、匹配网络、反向散射电路、稳压器、AM解调器、电压参考源、本地振荡器以及上电复位电路等，控制逻辑电路设计包括了时钟同步模块、解码模块、编码模块、CRC校验模块、功率管理单元、控制单元、移位寄存器和存储器等。

In this article two functional modes of the Fly-back Converter (Continuous Conduct Mode and Discontinuous Conduct Mode) are particularly analyzed, which include their characteristics, applications, the critical pattern of two functional modes is argued, both the exact boundary from the angle of circuit parameters is crystallized, at the same time, basic principle of PFC under the DCM mode is introduced, which settle theoretical basis for the subsequent design; by establishing the mathematic model of the converter, a further investigation of the configuration is made, qualitatively and quantitatively, analyzed to settle exactly theoretical basis for the subsequent emulation and the experimental parameter; from the angle of steady-state analysis, the transfer function of the system is deduced to establish dynamic small-signal state equation, emulating the system with the help of matlab, then according to the simulation result and the theory of PFC revise the system, lastly, we adopt the project which add a zero-pole compensator to the voltage loop, by this way, a satisfied system performance is gained and the PFC scheme is ensured successfully; finally, based on the previously-done work, we combining with the situation of specific design requirement, acquired the numerical value of each unit devices in this converter

详细分析了反激式变换器的两种工作状态，连续模式(Continuous Conduct Mode ，简称CCM)和断续模式(Discontinuous Conduct Mode，简称DCM)以及各自的特点、应用场合，论证了两种工作状态的临界模式，从电路参数的角度明确了二者的界限，同时还介绍了DCM模式下PFC的基本原理，为后面的设计奠定理论基础；通过对整个变换器系统建立准确的数学模型，对此变换器的电路结构做了进一步的研究，定性、定量地分析了变换器各部分的工作状态，为仿真和实验参数的确定以及电路参数的优化提供理论依据；从稳态分析的角度，为系统建立了动态小信号状态方程并推导出系统的传递函数，利用matlab对系统进行仿真，进而根据仿真结果以及PFC的相关理论对系统进行校正，采用在电压环加入零点—极点补偿器的设计方案，得到了满意的系统特性并且保证了PFC的顺利实现；最后，在前面所做工作的基础上，结合设计要求计算出此变换器系统中每个元器件的数值，利用Pspice对其进行了仿真、优化，然后根据仿真结果搭建了硬件电路。

The temperature dependence of functional parameters and the community structure (20-50℃) were studied for colonizing protozoan community by means of polyurethane foam unit and glass slide.

在水温20—50℃范围内，应用PFU和挂片法收集原生动物群落。

Particularly, the neutral anion fluorescence chemical sensor uses cholic acid molecules as the molecule frame, and introduces a neutral thiourea or ureido to the positions of a 3 bit carbon atom and a 24 bit carbon atom to be used as a bonding unit; a fluorescence chemical functional group is introduced to the positions of the 3 bit carbon atom and the 24 bit carbon atom or to other positions and used as a signal unit, and then a neutral anion fluorescence chemical sensor is synthesized.

具体而言是以胆酸分子为分子骨架，在其3位碳原子和24位碳原子上引入中性硫脲或脲基，作为键合单元；在3位碳原子和24位碳原子上或其他位置引入具有荧光化学官能团，作为信号单元，合成中性阴离子荧光化学传感器。

American descriptive linguistics ; grammar study of Chinese language ; substitution of identical form ; functional standard ; class of shape ; syntactical structure ; immediate constituents ; sentence as unit of analysis ; phrase as unit of analysis

本文集中从四个方面探讨描写语言学对汉语语法学的影响：语素分析法及词类归并原则的运用；突出短语结构在句法学中的地位，从形式入手分析句法结构、划定句子成分；直接成分分析法的运用；对汉语语法体系嬗变的影响。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新