查询词典 synchro-cyclotron

a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

摘 要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案，采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元，阐述利用vc编程实现的电力系统多样信号的产生流程，分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级，由于其准确性和多功能性将加快电能质量标定的步伐。

Has analyzed this company new product (after *SR-30, SR-24, SR-20,*SR-16, the SR-13 3/8 series) the production craft, the treating processes and the production efficiency, design a set primarily to include the guide rail, the driving gear, the chain drive, the reduction gear, the electric motor, the shaft coupling, the axis, the bearing, the key, the circlip by V installment and roll spare part and so on drive wheel installments,And completes the correlation selection and the corresponding mechanics examination, with realizes two to need the butt weld the marine riser automatically to, and in the synchro completes the further welding after the spot welding.

分析了该公司新型产品（包括＊SR-30、SR-24、SR-20、＊SR-16、SR-13 3/8系列）的生产工艺、处理过程及生产效率后，设计出一套以V型装置为主包括导轨、驱动轮、链传动、减速器、电动机、联轴器、轴、轴承、键、弹性挡圈及滚动轮等零部件的装置，并完成相关选材及相应的力学校核，用以实现两根需要正对焊接的隔水管自动对中，并在对中点焊后同步转动以完成进一步的焊接。

The foundation is laid for the experiment research to the synchro-driven system of the simulator's middle gimbal.

为转台中框同步驱动系统的研究奠定了基础。

In this design, a single-phase exciting signal generated by RC oscillatory circuit is applied to the rotor of synchro. The sine and cosine signals induced on stator are amplified by instrumentation amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA, and the converted 16-bit parallel angle data and direction signal are transferred to DSP.

本设计中通过RC振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过FPGA实现数字逻辑控制以及地址解码，将转换后的16位并行转角数据以及方向信号送入DSP中。

In this design, a single-phase exciting signal gener AT ed by RC oscill AT ory circuit is applied to the rotor of synchro. The sine and cosine signals induced on st AT or are amplified by instrument AT ion amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA , and the converted 16-bit parallel angle d AT a and direction signal are transferred to DSP.

本设计中通过RC振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过 FPGA 实现数字逻辑控制以及地址解码，将转换后的16位并行转角数据以及方向信号送入DSP中。

Based on the dynamic change of the intersection traffic flow, two intersection traffic control strategies were proposed, including the variable lane use on certain intersection approach, and the split-phase signal control strategy. Then, the potential applicability, advantages and characteristics of the two strategies were analyzed. With the surveyed data, a corresponding simulation model was built, and the effectiveness of these methods was simulated with the traffic signal control simulation software Synchro.

针对信号控制交叉口实际流量动态变化的特征，在现有传统控制方法的基础上根据交叉口交通流的变化特点，提出采用可变车道控制模式的控制方法、单边轮放控制模式的控制方法，介绍了其潜在的适用条件、优势及特点，并在交通流量调查的的基础上，建立了交叉口的相应仿真模型，利用信号控制仿真软件Synchro验证了在高峰期不同控制方法的效果。

In the 1940s, the first widespread use of the phase-locked loop was in thereceivers to the transmitted sync pulses. Such circuits carried the names"Synchro-Lock" and "Synchro-Guide."

在40 年代，对阶段锁着的圈的第一普遍用途是在水平和垂直的打扫摆动器的同步在电视接收器里对被传送的sync 脉冲。

These special signal timing plans were developed for six incident conditions using the SYNCHRO signal timing software.

利用SYNCHRO信号配时软件建立6种交通事件情况下的信号配时方案。

With a million-dollar budget sustained by their own bingo hall, they are to synchro what the Yankees are to baseball. Their coach, Chris Carver, is a three-time head coach of USA Synchro's Olympic team. And Ms. Carver, who is 66 years old, wants guys in the game.

该俱乐部从自营的博彩业务中拿出100万美元，作为俱乐部的经费，他们喜爱花样游泳，就像纽约人喜欢棒球一样。66岁的教练克丽丝·卡弗尔一心想让男选手进入该项目。

The SYNCHRO METER rotates clockwise,when reaches to 12 clock,close the ACB, then turn off the SYNCHRO METER, carry out load-sharing (raise the keep-running D/G speed or slow down the de-parallel D/G speed).

当同步表指示灯顺时针方向旋转，到达12点钟位置之前，将&ACB&和闸，和闸成功后，关掉同步表开关，然后进行负载转移（即增加运行发电机的转速，减少将要解列的发电机转数）。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。