| 1. | Circuit unit assembly 电路单元组合 |
| 2. | Moreover it can also be widely applied to vital circuit units in electronic fields like video receiving and data processing 同时,该技术还可以广泛用于视频接收、数据处理等电子技术领域的关键单元设计中。 |
| 3. | A term applied to an electronic device or circuit that contains four ( identical ) circuit units ; ( " a quad inverter " ; " a quad amplifier " ) 用于包含四个(恒等)电路单元的电子器件或电路的一种术语( “四元组反相器” 、 “四元组放大器” ) 。 |
| 4. | For the hardware , the standard components and module circuit units are used ; some reserve functions are kept to extend the unit designing in the future 硬件设计采用了标准化模块设计方法,硬件电路尽可能选择标准化、模块化结构的典型电路,以便扩展。 |
| 5. | To improve the output current further , two circuit units connected in a mutually compensatory manner of the improved converter are simulated with a doubled output current in comparison with a single circuit unit 为了进一步提高输出电流,在仿真过程中将两个单元电路以互补的方式并联,结果显示输出电流为单个单元电路的两倍。 |
| 6. | Furthermore , on the basis of adopting pzt ( lead zirconium titanate ) as the switched - capacitor dielectric , the output current of a single circuit unit is eight times as large as that of the former single circuit unit with identical technology process parameters 针对采用锆钛酸铅铁电薄膜( pzt )作为开关电容介质的设想,在工艺参数不变的情况下,计算机仿真结果表明,其单个单元电路输出电流可提高7倍。 |
| 7. | This digital pattern generator composes of eight parts : interface circuit unit , dual - port sram unit , dsp unit , dac unit , expose / mark signal detection control unit , mark signal diction unit and final expose shape registers unit 本论文中的新型图形发生器由接口电路、双端口存储电路、数字信号处理电路、数模转换电路、曝光标记检测控制电路、标记检测电路、最终曝光数据寄存器单元和束闸控制电路构成。 |
| 8. | Converters switched by cmos switches rather than nmos or pmos ones have been studied in detail and fabricated as some sample dies by cmos technology . in a single conversion circuit unit switched by cmos switches , the test result indicates that the output current can arrive at 9 . 8ma a bit less than the simulation result of 12ma 采用cmos工艺,用cmos开关取代单管nmos和pmos开关,对变换器进行仿真研究并投片试制,测试结果表明其输出电流为9 . 8ma ,比仿真结果12ma略低。 |
| 9. | As the results , more and more serious requirements were raised to the nuclear data acquisition and control system . in order to meet these requirements and to support the advanced study of the interaction between clusters and materials , a key project supported by china national science foundation , we have done the study of the data acquisition and control system for the clusters characteristic in detail , and employed single - chip microcomputers and pc computers to compose a large scale data acquisition and control system . the composition mode of this kind of system and the distribution of tasks , the acquisition and control circuit units based on single - chip microcomputers , the real - time communication methods and the software composition under the windows 98 were also discussed in detail 针对这一问题并为了保证国家自然科学基金重点项目“荷能离子团簇与介质的相互作用”等前沿研究课题的进行,本论文对团簇研究中的数据获取和调控问题进行了详细研究,提出了以pc微机和集群式单片微机为主构成的团簇特性研究用分布式多通道数据获取和调控系统的方法;详细讨论了这种系统的最佳组成模式、任务分配、单片微机数据采控单元、系统内实时通讯网的建立和windows环境下系统软件的编写等硬软件问题。 |
| 10. | This distributed system was consisted of three layers . the first layer is data acquisition and control circuit units which are primarily composed of single - chip microcomputers , cplds and designed according to the standards of nim modules so as to attain the acquisition and control of the data of multi - parameters and to make this kind of nim to be able to communicate directly with upper pc computers . the second one is pc computers which are used to respond and control the multi units of data acquisition and control 这种分布式系统分为三级,第一级数据采集控制单元以单片微机和cpld ( complexprogrammablelogicdevice )器件为主,按照nim插件的机械和电气标准设计,完成多参数数据的采集控制,解决了传统nim系统不能和计算机互连的问题;第二级是pc微机,负责协调和控制多个数据采集控制单元;一、二级构成一个独立的子系统,可以完成多参数及相关量数据的采集和处理。 |