There were analog multiplexers, A/D conversion(analog digital conversion), FIFO module, CPLD module in the hardware design and CPLD program, USB firmware, USB driver in the software design.
在硬件上包含多路开关、模数转换、FIFO模块、CPLD模块、USB模块； 在软件上包含CPLD编程、USB固件、USB驱动以及应用程序。
In addition to a D-pad, buttons and analog joysticks, there's a full QWERTY keyboard.
除了游戏手柄、按钮和游戏杆之外，它还有一个标准打字机键盘。
That is the analog of force divided by mass equals acceleration, which is d over dt of velocity.
这个类似于，力除以质量等于加速度，就是速度对t的导数。
So digitalizing analog signal is the trend of information technology, in which A/D and D/A plays an important role.
所以模拟信号数字化是信息技术的发展趋势，而A／D和D／A转换器在其中扮演着重要角色。
Joshua Muscat, Ph. D., of the American Health Foundation in Valhalla, new York, also recommends using the newer digital phones, which have less radiation than analog.
纽约凡尔海拉美国保健基金会的乔舒亚？米斯卡博士还建议使用新式的数字手机，它比模拟手机的辐射量要少。
Reference sources are widely used in analog and mix-mode circuits, such as A/D, D/A converters, voltage regulators, measurements, instrumentation circuits, and bias circuits.
基准源模块广泛的应用于模拟和混合电路中，如A/D、D/A转换器，电压调谐器，电压表，电流表等测试仪器以及偏置电路。
The main structure of the device, the selection of the microprocessor, the design of analog inputs, and the A/D sampling method are argued in detail in this dissertation.
论文中对装置的主体电路结构、主控芯片的选择、模拟量输入通道设计和A/D采样方法进行了详细的方案比较和论证。
The 14-bit, four-channel A/D converter MAX1325 is employed to sample the analog input and output voltage of the synchro and then converted them into digital.
模数转换采用了14位，四通道A／D转换器MAX1325，实现了自整角机四路模拟数据的同时、快速采样。
An improved scheme of full bridge PWM for Class-D audio power amplifier is described in the paper, and it is implemented in analog and digital way.
论述了音频D类功率放大器的全桥pwm改进方案，并用模拟与数字的方法实现。
When this system needs to playback, data is gotten from RAM, and it transforms into the analog signal through the D/A switch. Moreover through the power amplifier, the voice signal can be recovered.
在需要回放时，再由单片机控制提取RAM中的数据，通过D/A转换器将数字信号转换为模拟信号，通过功率放大器将语音信号还原后回放出来。
The data acquisition system includes analog input, A/D conversion, data buffering, DMA transferring and PCI interface.
采集系统包括模拟输入、A/D变换、数据缓存、数据DMA传输及PCI总线接口等电路。
One of the important conceptions of Software Radio is to make A/D converter close to antenna, we should convert IF analog signal even RF analog signal into digital signal.
软件无线屯的设计思想之一是将A／D转换器尽可能靠近天线，即把A／D从基带移到中频甚至射频，把接收到的模拟信号尽早数字化。
The analog circuit consists of power-supply modular, signal pickup circuit, analog filter amplifier, gain control circuit, power ground lifting circuit and signal limit circuit of A/D channel.
模拟电路部分包括：电池电源供电模块、信号采集电路、模拟滤波和放大电路、增益调节电路、地电压抬升电路和A/D输入信号限制电路。
Multi-switch selectable through eight analog channels, allowing time-8 analog inputs, common A/D converter to convert.
多路开关可选通8个模拟通道，允许8 路模拟量分时输入，共用A/D转换器进行转换。
System design mainly includes the addition circuit, A/D analog-to-digital conversion module, serial communication module, PC display module, etc.
系统设计主要包括加法电路，A/D模数转换模块，串口通信模块，上位机显示模块等部分。
The temperature and pressure sensor gathered on-the-spot temperature and pressure signal, and A/D converter converted analog signals into digital signals to revise the on-the-spot flow of natural gas;
温度和压力传感器采集现场温度、压力信号并经A/D转换器转换成数字量用于对现场天然气流量进行温度、压力修正；
Since the signal which is disposed by the SCM usually is the Digital Signals, before the Analog signals are checked by the processor, they must be conversed by the A/D converter.
由于单片机所处理的信号是数字信号，对模拟电压信号进行检测处理时首先要用A／D转换器件对其进行A／D转换，然后再进行处理。
In the signal into the A / D converter analog to digital conversion, the final processing of data into the microcontroller, then the output is displayed, and determine whether there is a gas leak.
在把信号送入A/D转换器进行模数转换后，将最后的数据送入单片机进行处理，随后输出显示，并且判断是否有煤气泄漏。
Two approaches are developed:one based on a D flip-flop loop and the other based on a time-division multiplexing digital-to-analog converter (DAC).
为此提出了基于D触发器环路的相控阵信号发生技术和基于时分复用数模转换器（DAC）的相控阵信号发生技术。
Two approaches are developed:one based on a D flip-flop loop and the other based on a time-division multiplexing digital-to-analog converter (DAC).
为此提出了基于D触发器环路的相控阵信号发生技术和基于时分复用数模转换器（DAC）的相控阵信号发生技术。
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