查询词典 exceed the speed limit

A design and implementation method of the high speed modulation system, which adopted the new techniques of the FPGA and DAC based communication system,is presented in this paper. The effect of the key techniques of this system, such as the high speed digital signal processing for modulation, high speed based-band signal conversion, wide-band modulation, carrier suppression, high frequency and high precision system clock generation, is analyzed, and the solutions and performance analysis is also given. Finally, a high speed modulation system for space applications is implemented, can be used for high speed data transmission with QPSK, 8PSK, QAM or other kinds of digital modulation.

本论文依据正交调制原理，采用基于FPGA和DAC的设计技术，提出了一种高速、灵活的调制系统的设计方法，重点分析了系统组成的调制编码映射、基带脉冲信号转换、信号滤波、调制、系统时钟产生等关键技术环节的影响，解决了高速调制信号处理、高速数据转换、宽带调制、载波抑制、高频率高精度系统时钟的产生等关键技术问题，完成了一种适用于空间应用的高传输速率、多进制数字调制方式和调制体制灵活的数据传输调制系统的设计与实现，可在硬件设计不变的情况下，实现QPSK、8PSK和16QAM等多种调制方式的高速数据传输，QPSK调制速率达到500Mbps。

6"Ball cover, Features beauty,refinement; The precise step enters the electrical engineering to drive, go placidity,go to nicety;shift aptitude, Horizontal speed 0.5°/s---240°/s ,Vertical speed 0.5°/s---200°/s;Vertical running have function to "Auto-flip, 360°continous horizontal flip;Dome speed auto-shift--- The speed of housing become the zoom lens depth to increase its speed pro rata lower gradually, a little bit on guard function; Auto-focus,auto-iris,Tum to surge and lightning strike protector;Menu setup and control function,estate memory before break off electricity and auto-resume fuction in come to electricity; 64initialize spots,5 auto-patrol path;Contain multi-confer;485standard communcation interface;Function to give an alarm to linkage.

6英寸球罩，外型美观，精巧；精密步进电机驱动，运转平稳，定位准确；智能变速，0.5°/S-240°/S水平变速，0.5°/S-200°/S垂直变速；垂直转动有&自动翻转&功能， 360度持续水平转动；云台速度自动调整—云台的速度随变焦镜头深度的增加其速度按比例逐渐降低，守望点功能；自动聚焦，自动光圈，内置浪涌及雷击保护装置；菜单设置及控制功能，断电前状态记忆及来电自动恢复功能；64个预置点， 5条自动巡视路径；兼容多种协议；标准485通讯接口；报警联动功能。具有球机环境温度和摄像机角度数显功能。

The usage technique of radar for high-speed ship s to prevent collision in Three Gorges reservoir;2. Research on Modeling and Simulation of High-speed Ship CPP Propulsion System;3. Based on three typical high-speed ship (high-speed monohull ship,planning hydrofoil craft,wave-piercing Catamaran),a mathematic models of high-speed ship ′s propulsion system(common screw propeller,adjustable-pitch propeller, water-jet propeller) and intelligent control system are established the simulation with the help of Matlab/Simulink is realized.

以三种典型的高速船(高速单体船、翼滑艇和穿浪艇)为例，建立了其推进(普通螺旋桨、可调螺距螺旋桨及喷水推进)系统及智能控制的数学模型，并在Matlab/Simulink上实现仿真；建立了推进系统的优化数学模型，编制了优化算法(混沌算法、遗传算法和粒子群算法)程序，实现了智能推进系统的优化设计；最后，运用Matlab/GUIDE进行界面设计，编制了高速船智能推进系统仿真与优化软件，实现了良好的人机互动。

It puts forward to system compartmentalization , significant functions and design of external interfaces of on-board equipment simulation subsystem by analyzing and research on system structure, functions interfaces of CTCS3 based on SRS of ETCS2. It realized software development of on-board equipment simulation subsystem and significant functions by using C++ Builder 6.0. It realized the function of computing most restrictive speed profiles and dynamic speed profiles, computing on-board odometers, ceiling speed supervision, MA speed supervision, speed comparison intervention, transmitting position report, computing end-point of MA, receiving data by balise etc.

本文通过对CTCS3级系统组成结构、功能、接口的分析和研究，在参照ETCS2级需求规范的基础上，总结出了CTCS3级仿真测试平台中车载仿真子系统的结构划分、主要功能设计、接口设计等，对仿真子系统的软件进行了总体设计，并利用C++ Builder 6.0开发平台实现了CTCS3级车载设备仿真子系统的软件开发，实现了车载设备的主要功能，包括：最严格速度曲线的计算、动态速度曲线的计算、车载里程的计算、顶棚速度监督、MA速度的监督、速度比较干预、发送列车位置报告、计算MA终点，接收应答器报文等功能。

In order to adapt to different production speed, you can use a speed control potentiometer on high speed; adjust the speed of the actual value of the gauge by speed.

为了分适不对别的出不销速率给求，可堵住一个调速电位器不对矮速举行调度，速率的本质值可以堵住速率表辅导出来。

When the system starts, the speed outer ring saturats non-functional, the current inner ring plays a major role to regulate the starting current to maintain the maximum so that the speed linear change, to reach a given value; when it operates steadily, the speed negative feedback from the outer ring plays a major role ,to let the speed changes with the given speed voltage , at the same time the current inner ring regulates the armature current of motor adjustment to balance the load current.

该系统起动时，转速外环饱和不起作用，电流内环起主要作用，调节起动电流保持最大值，使转速线性变化，迅速达到给定值；稳态运行时，转速负反馈外环起主要作用，使转速随转速给定电压的变化而变化，电流内环跟随转速外环调节电机的电枢电流以平衡负载电流。

In recent years, companies have participated in the transformation of old cities, Pingding County, Yangquan City, Xinquan Bridge, A Shengao Su, Pu-He high-speed, transport, wind speed, high Ningbo Ring, Annan high-speed, high-speed bearing Tang, Paul Fu-speed, Yangquan coal mining subsidence management of housing projects, Binh Dinh District, the national, provincial and municipal key projects, which has been repeatedly commended the local government and the owners of the award.

近年来公司相继参与了平定县旧城改造、阳泉市新泉大桥、阿深高速、濮鹤高速、运风高速、宁波绕城高速、安南高速、承唐高速、保阜高速、阳泉市采煤沉陷治理平定区住宅建设项目等国家、省、市重点工程的施工，多次受到当地政府和业主的表彰奖励。

The road traffic accident which announced to the society notifies through recently the Ministry of Public Security transportation administrative bureau, we were allowed to discover, the vehicle drove person traffic offense was creates the traffic accident the main reason, mainly included exceeds the speed limit, weary traffic offense behavior and so on driving, passenger train overstrength, because exceeded the speed limit the lethal population to be most.

通过最近公安部交通管理局向社会公布的道路交通事故通报，我们可以发现，机动车驾驶员交通违法是造成交通事故的主要原因，主要包括超速行驶、疲劳驾驶、客车超员等交通违法行为，其中因超速行驶致死的人数最多。

So important was the invention,so difficult was it to exceed this speed limit that nearly 3500 years later,when the first mail coach began operating in England in 1784,it averaged a mere ten mph.

Book 3，College English双轮马拉战车是一项非常重要的发明，要超过它的最高速度实在困难。过了将近3500年，到了公元1784年，第一辆战车在英国运行，其时速平均只有10英里。

He exceed ed the speed limit once too often.

他又超速行驶了。

They were frequently included in the collections of decretals compiled in the late 12th and early 13th century, and afterwards all were inserted into Pope Gregory IX's Decretals.

他们经常列入收藏decretals汇编第12次和后期13世纪初，后来都被插入教皇格雷戈里九的

GURGLE: What a smart little guy!

多么聪明的小家伙！