转换器

This paper presents a 12-bit 100 MS/s CMOS pipelined analog-to-digital converter with digital background calibration.

介绍了一个采用数字后台校准算法的12位100MHz流水线模数转换器。

An analog-to-digital converter, as an interface between analog signal and digital signal, especially is demanded in video and wireless communication field.

高性能模数转换器作为模拟信号与数字信号的桥梁，尤其在图形、视频以及无线通讯等领域的需求日益增强。

An anti-aliasing filter is provided at a stage previous to the analog-to-digital converter.

在模/数转换器的前级设置返回防止滤波器。

A low supply voltage sample-and-hold circuit for a pipelined analog-to-digital converter is described.

设计了一个用于流水线型模数转换器的低压采样保持电路。

Stepper motor is a pulse will be transferred into angular displacement of the Electrical and Mechanical-DAC devices.

步进电机是一个将脉冲信号转移成角位移的机电式数模转换器装置。

The tone generator task arithmetically forms tone waveform data by use of the tone controlling parameters and passes the tone waveform data to a CODEC circuit functioning as an A/D converter.

该乐音发生器任务利用乐音控制参数用算术方法形成乐音波形数据并把该乐音波形数据送给数/模转换器作用的CODEC电路。

In this strategy, IPM was used to generate 3-phase power for the AC motor; the WFG unit of 80C196MC was used to generate the control signal of SPWM, A/D convertor unit to complete the sampling of current, and Event Processor Array to complete the detection of speed.

该方案利用受控于单片机的智能功率模块产生电机的三相电压；利用80C196MC单片机中的WFG产生SPWM信号，芯片内的A/D转换器实现电流采样，事件处理器阵列实现了转速检测。

The Pro version will search for RTF, ANSI and ASCI text, and many other document type files via a universal converter.

亲版本将搜索的RTF ， ANSI和asci文本，以及其他许多文件类型的文件通过一项普遍的转换器。

Based on surveying the development of variable frequency power supply and analyzing its development tendency, and considering the practical features of the assignment, the conversion system is designed as follows: it selects the 3-phase Pulse Width Modulation Engine SA4828 as the PWM control signals generator; it chooses the single-chip-computer PIC16F877 as the microcontroller, which integrated the A/D modulation, which cuts down the complexity of the hardware system and strengthens the dependability of the system.

在论述和分析了变频电源及其控制技术发展的概况和趋势的基础上，结合本课题任务的实际要求，设计了一套中小功率的逆变电源。系统中PWM控制信号采用专用集成芯片SA4828生成，减轻了控制器的工作量也提高了系统的可靠性。控制器选用集成了A/D转换器的单片机，使得系统的硬件复杂性降低，提高了可靠性。

Simultaneously, the system also has with the computer asynchronous serial communication interface based on the programmable logic device CPLD.

系统包括模拟开关、测量放大器、AD转换器、CPLD中心逻辑控制器、掉电数据保存单元，系统实现了通过CPLD编程完成与计算机串口间异步串行通信功能。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。