查询词典 A.D.

Signal forming and different demodulation of GMSK baseband signal are mainly discussed in the dissertation. Gauss Filter, phase integral, SIN table, matched filter, calculate angle, bit-synchronization、output filter、A/D���D/A and etc of GMSK baseband signal are carefully studied through software emulation in SYSTEMVIEW environment. The modulation and demodulation of GMSK baseband signal are carried out by the way of using TMS320VC549 of TI to integrate software and hardware.

本文重点讨论了GMSK基带信号的形成以及GMSK基带信号的差分解调，系统在SYSTEMVIEW的环境下进行了软件仿真，通过对系统的仿真工作，仔细的研究了GMSK基带信号的高斯预滤波器、相位积分、SIN查表、匹配滤波器、相角计算、位同步、帧同步、输出滤波、A/D和D/A等。

Auditory Brainstem Response, ABR (or Brainstem Auditory Evoked Potentials, BAEP) is a human body physiology parameter at microvolt level. First, we use the TMS320F2812 of TI company, making the signal through D/A transform and high accuracy operational amplifier, and produce the masking white noises, as well as the Tone Burst to be the stimulus. Then, the evoked EEG will be amplified and filtered. At the same time, we use the A/D of TMS320F2812 to collect and process the signals, and get the digital BAEP.

听觉脑干诱发电位(Auditory Brainstem Response，ABR)为微伏级人体生理参量，采用TI公司的DSP TMS320F2812，通过D/A与高精度运算放大器，生成听力级可调整的掩蔽白噪声与短纯音TB进行刺激，同时对诱发脑电进行放大、滤波、并使用TMS320F2812的A/D进行信号采集与处理，得到数字化的脑干诱发电信号。

Designed corresponding A/D, D/A, keyboard, display interface and the water level sensor circuit, available online keyboard parameter setting, timing detection, display, alarm, control output part of one of the use of analog or switch volume control.

设计相应的A/D、D/A、键盘、显示接口和传感器测量水位电路，可在线键盘参数设置、定时检测、显示、报警，其中控制输出部分采用模拟量或开关量进行控制。

We must microcontroller Device get is: 1 at all times be used to measure voltage and current of the A/D converter one under the command and provide the basis for the power transistor Voltage of D/A converter.

我们要从微控制器得到的是：一个在所有时间都用来测量电压和电流的A/D 转换器；一个根据命令为功率三极管提供基准电压的D/A 转换器。

First use of sensors to convert the weight of voltage signal, and then voltage signal amplification input A / D converter, followed by A / D converter tool analog signals into digital signals, the digital signal will be sent to the microcontroller, through the process of Signal processing, and weighing function, and then the weight and keyboard input price multiply calculated lump sum, and the weight and price with LCD display.

首先用传感器把重量转换成电压信号，再将电压信号放大输入A/D转换，利用A/D转换工具将模拟信号转化为数字信号，将得到的数字信号传送至单片机，通过程序对信号进行处理，实现称重功能，然后将重量与键盘输入单价相乘计算出总价，并将重量和价格用LCD显示出来。

In the Single-chip control DC voltage stabilizer transformation, not only to the A/D with high precision and D/A circuit is designed to achieve precise stepper. At the same time adopted three IO mouth with two serial realized the LCD display, which makes the outer circuit, control program are greatly simplified.

在单片机改造数控直流稳压电源时，不仅用到了高精度 A/D及D/A电路来实现设计的精确步进，同时实现了LCD显示，这就使得外围电路大大简化，程序控制也得到简化，这样操作简单。

Its basic idea is to realize all kinds of radio communication functions, such as work band, kinds of modulation or demodulation, data format, encrypt mode and communication protocol by upgradable and displaceable software on a hardware platform which is opening, expanded and simple structure. And it makes wideband A/D and D/A converters close to the antenna, in order to develop more flexible and opening wireless communication system.

它的基本思想是以开放的、可扩展的、结构最简的硬件为通用平台，把尽可能多的通信功能，如工作频段、调制解调类型、数据格式、加密模式、通信协议等用可升级、可替换的软件来完成，并使宽带A/D和D/A转换器尽可能地靠近天线，以研制出具有高度灵活性、开放性的新一代无线通信系统。

Critical aspects on the use of the Δ∑ A/D converter described in the paper including :the necessary of using the highly integrated Δ∑ A/D converter in portable Sunphotometer, the principle diagram interfacing CS5528 to 89C52,the software of initialing CS5528 and the results of experiment.

本文介绍了便携式太阳辐射计的组成原理，分析了在便携式太阳辐射计中使用高集成度Δ∑型A/D转换器的必要性，给出了高集成度Δ∑型A/D转换器CS5528与系统微处理器的连接图、测量初始化程序及模拟测量结果。

Specialized introduction: This specialized raise has the electronic technology and the information system elementary knowledge, can be engaged in each kind of electronic installation and the information system research, the design, the manufacture, the application and the development higher project technology talented person Main curriculum: The signal and the system, the digital signal processing, the correspondence principle, the microcomputer principle and the connection technology, the monolithic integrated circuit principle and the application technology, the DSP technology and the application, the EDA technology, the construction of data, embedded Linux using the programming, the feeling measure technical, the electric circuit theory series curriculum, the computer technology series curriculum and so on individual hobby * software and hardware research and development computer correspondence literature ping pong photography The experience and the personal experience * 2006.6.29-7.8 compile the staff management system management system using the C language, its basic service activity includes: The staff information warehousing, the revision, the inquiry, the insertion, deletes the staff information and so on * 2006.7.10-7.20 monolithic integrated circuit curriculum design period completes the stopwatch the design, namely the initialization timer is 99:99, 0 starts using the monolithic integrated circuit timer fixed time, fixed time arrives when 0s to transmit the signal to cause the buzzer bell, and may realize suspends, the continuation and the replacement function * 2007.7.2- 7.8 practises in Luoyang Big dragon Peony Communication facility Limited company, does has liquid crystal display monitor telephone one, simultaneously visited has served under somebody's banner the correspondence company, and studied has simulated the telephone the design electric circuit, had understood its basic principle * 2007.7.4- 7.18 completed the DSP curriculum in the school to design, realizes the FIR numeral filter, namely transmitted 25 from DSPThe height level, after advocates AC01 D/A to transform the simulation square-wave, then passes to again from AC01 carries on A/D to transform, produces the data signal, after the DSP numeral filter, finally produces the sine wave * 2008.8.1-8.15 to practise in the Zhejiang Jiang hua abundant power tool limited company, studies the computer software and hardware maintenance.

专业介绍：本专业培养具备电子技术和信息系统的基础知识，能从事各类电子设备和信息系统的研究、设计、制造、应用和开发的高等工程技术人才主要课程：信号与系统、数字信号处理、通信原理、微机原理与接口技术、单片机原理与应用技术、DSP技术及应用、EDA技术、数据结构、嵌入式Linux应用编程、感测技术、电路理论系列课程、计算机技术系列课程等个人爱好＊软硬件研发计算机通信文学乒乓球摄影实践经验及个人经历＊ 2006.6.29-7.8 利用C语言编写员工管理系统，其基本业务活动包括：员工信息入库，修改、查询、插入、删除员工信息等＊ 2006.7.10-7.20 单片机课程设计期间完成秒表的设计，即初始化定时器为99：99，利用单片机定时器0开始定时，定时到0s时发送信号使蜂鸣器响铃，并可实现暂停、继续和复位功能＊ 2007.7.2- 7.8 在洛阳巨龙牡丹通信设备有限公司实习，做有液晶显示屏电话机一部，同时参观了旗下通信公司，并学习了模拟电话的设计电路，懂得了其基本原理＊ 2007.7.4- 7.18 在校完成DSP课程设计，实现FIR数字滤波，即从DSP发送25个高低电平，经主AC01 D/A 转换成模拟方波，然后再传给从AC01进行A/D转换，生成数据信号，经DSP数字滤波，最后生成正弦波＊ 2008.8.1-8.15 在浙江华丰电动工具有限公司实习，学习电脑软硬件维护。

The oversampling sigma delta A/D converter is a high-resolution and low-cost A/D converter.

过采样sigma delta A/D变换器是一种高精度、低成本的A/D变换器。

The most precious possession that ever comes to a man in this world is a womans heart.

在这个世界上，男人最可贵的财产就是一个女人的心。

Some 4 years above company and divisional management experience, 6 year foreign enterprises work experience.

有4年以上的公司及部门管理经验，6年外企工作经验。