高速数字系统的信号完整性问题主要为反射、串扰、延迟、振铃和同步开关噪声等。
The main problems of signal integrity of high-speed digital system include reflection, crosstalk, delay, ringing, simultaneous switch noise, etc.
网同步技术是数字通信系统的关键技术之一，网同步时钟是网同步技术的关键设备。
The network synchronization is one of the key technologies for digital communication and the clock is the most important equipment in the network synchronization.
时钟树的设计是同步数字集成电路设计中的一个重要部分，对系统的性能和可靠性有很大影响。
In designing synchronous digital integrated circuits, the design of clock tree is an important component, which may greatly affect the performance and reliability of the system.
本论文的任务是设计并实现基于FPGA及数字倍频技术的集成保护中数据同步采集系统。
The thesis presents the design and realization of a data synchronous acquisition system in integrated protection based on FPGA and digital frequency multiplying technique.
文章提出了采用一种新型专用智能功率模块ASIPM，结合数字信号处理器DSP开发的永磁同步电动机伺服控制系统；
This paper proposes a servo control system for permanent magnet synchronous machine (PMSM) based on Application Specific Intelligent Power Module (ASIPM) and Digital Signal Processor (DSP).
介绍了IR2172的结构特点和工作原理以及在永磁同步电机数字控制系统中的应用。
The principle and structure of IR2172 is introduced in this paper and also the application of IR2172 in PMSM digital control system is introduced.
设计了一种用于通信系统载波同步的新数字锁相环。
A novel all-digital phase locked loop (PLL), applied to the carrier synchronization of communication systems, is designed.
数字传输系统的关键在于载波同步和信道均衡。
The key of digital transmission system lies in carrier synchronization and channel equalization.
中国地面数字电视广播标准GB20600- 2006是基于时域同步-正交频分复用(TDS - OFDM)系统的。
China digital television terrestrial broadcasting standard GB20600-2006 is based on TDS-OFDM (Time-Domain Synchronous orthogonal Frequency Division Multiplexing) systems.
在数字通信系统中，同步是一个非常重要的问题。
In digital communication systems, synchronization is a very important question.
帧同步电路是数字传输系统中的重要组成部分。
The frame synchronism circuit is the most important part of the digital transmission system.
张力分段控制，采用变频调速或数字直流调速系统，并采用多点同步控制器控制，整机同步运行。
Tension is separately control with inverter or digital D. C. adjusting system. And synchronized operation is realized by multi point synchronous controllers.
提出一种数字传输系统中帧同步码的检测方案，利用容错技术和非容错技术相结合来实现帧同步码检测。
We combine the error-tolerant technology with no error-tolerant technology to carry out the detection of the frame synchronization code.
利用电力系统三相交流电压过零点和高速数字频率合成器解决了跳频系统中同步和快速频率合成的两个关键问题。
The zero-crossings of the AC voltage and digital frequency synthesizer are used in solving the two main problems in frequency hopping system-synchronization and fast frequency synthesizing.
基于该策略开发的车用永磁同步电动机数字化控制系统实验结果证明了该策略的有效性。
According to the proposed strategy, a digital control system is developed and experimental result proves the strategy.
本文主要研究非线性耦合激光系统中的混沌同步以及如何利用混沌同步实现数字通信。
The chaotic synchronization of a nonlinear coupled laser system and the digital communication through chaotic synchronization are investigated in this paper.
第五章设计了一种基于混沌同步的混沌数字保密通信系统。
In chapter 5, we design a new digital chaotic secure communication system that is based on the chaotic synchronization.
全部电路由硬件描述语言实现，可以集成在一片CPLD或FPGA芯片内部，用于数字通信系统接收端的帧同步和定时。
All circuits are designed by HDL and can be intergrated in one CPLD or FPGA chip, used in the frame synchronization and timing of digital communications receiver.
提出了一种基于数字信号处理器的基波相位和频率校正检测方法，可用于电力系统中电压或电流基波分量同步信号的获取。
A novel fundamental frequency and initial phase detection method based on DSP is proposed, which can be used to get synchronous fundamental frequency voltage or current signals of power system.
基于单片机at89c51的数据采集子系统完成对多路声信号的同步采集，并把数字信号保存到片外共享存储器中。
The data acquisition subsystem based on AT89C51 acquires multichannel acoustic signal synchronistically and stores digital signals in the Shared memory.
文中介绍了一种数字化超短波跳频通信系统，并着重讨论了其系统定时、发送数据格式、同步的实现方式、同步保持等关键技术。
A digital VHF FH communication system is introduced, followed by its timing, the format of the data transmitted, the synchronization method and the keeping of synchronization.
提出了一种基于混沌动力系统同步原理的非对称数字水印构造方法。
A method of making an asymmetric digital watermarking based on chaotic synchronization theory is proposed in this paper.
介绍了一种以新型数字同步阀为同步控制元件，运用模糊pid算法进行控制的液压同步系统。
This paper introduces a hydraulic synchronous system, which USES a new-type digital valve as synchronous controller and makes use of a fuzzy-PID control arithmetic.
在现代遥测系统和其它相关的数字通信系统的码同步器中广泛采用了随机徘徊滤波器技术以提高电路的抗干扰能力和系统工作的可靠性。
Random-walk filter is widely used in Bit Synchronizer of modern telemetry system and other digital communication systems in order to enhance anti-jamming ability and reliability of a system.
同时运用线性调频脉冲帧同步法，改善了基于差分相移键控的水声数字通信系统的性能。
With the LFM pulse frame synchronization method, the performance of UWA communication system based on DPSK is apparently improved.
本文提出了基于DSP的永磁同步直线电机全数字伺服控制与驱动系统。
In this paper, the DSP-based all-digital servo and driving system for the permanent magnet synchronous linear motor is proposed.
该系统由多台经纬仪、数字摄像机、时间同步控制器及数据处理终端组成。
The system is made up of theodolites, cameras, computers and time synchronization control systems.
本文提出了基于FPGA技术实现数字复接系统的设计方案，并介绍了有代表性的较简单的四路同步复接器系统总体设计。
This paper puts forward a design method of digital multiplex system with FPGA , and introduces the whole system of four bits synchronous multiplexing .
位同步时钟信号的提取是通信系统中的关键部分，应用数字锁相环可以准确地从输入码流中提取出位同步信号。
Bit synchronous clock recover circuit is the key part of the communication system, it can exactly recover the synchronous signal from input data stream.
该系统采用了片同步技术实现了采样后高速数字信号的可靠锁存，采用高精度的时钟管理芯片和设计合理的时钟路径对时钟抖动做了严格控制。
The Chip-Sync technology has been used to ensure the latch of high-speed signal, and we use high accuracy clock management chips and design reasonable clock way to strict control the clock jitter.
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