查询词典 A.D.

The system is composed of MCU, A/D converter, D/A converter and power amplifier.

系统由单片机、 A/D 转换器、 D/A 转换器和功率放大器组成。

And gives a simple introduce to SCM AT89C52 and A/D, D/A converter.

并对所用到的单片机89C52及A/D、D/A转换芯片作简单的介绍。

So, we combine CobraNet audio network technology, data transmitting technology, MCU technology and FPGA technology to develop interface and program of MCU, controlling PCB board, A/D converter PCB board, D/A converter PCB board, digital audio receive PCB board. At last, we construct a audio network and test it's performances.

本文紧密结合CobraNet 音频网络技术、数据传输技术、单片机技术和FPGA 技术，从事了单片机接口及控制程序设计、控制板设计、A/D 转换插卡设计、D/A 转换插卡设计、数字音频信号收发插卡设计，开发出了一系列音频网络设备，并组网测试。

Seamless interfacing of low cost A/D and D/A for analog audio input and output.

低成本的无缝连接的 A/D 和 D/A 可用来模拟音频输入和输出。

Digital IF mainly include: Digital Up Convert、Digital Down Convert.A/D���D/A and Number control oscillator.

数字中频处理主要包括数字上变频、数字下变频、A/D与D/A的处理以及数控振荡器等。

Comparators are widely used in analog circuits, such as: A / D, D / A convertor.

比较器广泛应用于模拟电路中，如：A/D，D/A电路。

The structure of the design include a nucleus manipulator (AT89S52 ), the current, sampling, comparision amplification, A/D,D/A converter, keyboard display, and so on.

它以AT89S52作为核心控制器，包括电源、取样放大、A/D和D/A转换、键盘控制与显示等模块。

The working principle and the structure of a hybrid magnetic bearing are investigated. The hardware of a digital controller system based on a fixed poind digital singal processor TMS320C25, as well as an A/D and D/A converter is presented.

研究了混合磁悬浮轴承系统的工作原理及其控制器，讨论了以定点数字信号处理器TMS320C25为核心的数字控制硬件系统的构成以及A/D，D/A等外围电路的设计。

An 8-bit counter with a 7-bit software programma- ble prescaler, a digital hardware activated watchdog function, a 14-bit voltage syn- thesis tuning peripheral, a Serial Peripheral Inter- face, up to six 6-bit PWM D/A converters, up to 7 8-bit A/D Converter, an on-screen display with 20 characters per line and 192 charac- ters.

一个8位7位规划中的软件，竹叶提取预分频器，一个数字硬件看门狗功能激活，14位电压的SYN -论文调谐外设，一个串行外设间面的，多达6个6位PWM式D / A转换器，多达7 8位A / D转换器，屏幕上显示每行20和192 charac - TER值在一家银行字符的。

The single a machine that should design to adopt serieses MCS-51s primarily conduct and actions main a measurement for, passing spreading feeling machine to the current of air measuring, its change is homologous pulse signal, this pulse signal through A/ D conversion with D/ A conversion after produce the certain electric voltage signal, will show the inceptive pulse signal a discharge for representing to come out at the same time.

而主要注重对其流量的检测并加以显示。该设计主要采用了MCS-51系列的单片机作为主要的芯片，通过传感器对燃气流量的测定，将其转变为相应的脉冲信号，这个脉冲信号经过A/D转换和D/A转化之后产生一定的电压信号，同时会将起初的脉冲信号所代表的流量显示出来。

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。