research and design of 16-bit audio sigma-delta analog-to-digital convertor

in a word, two kinds of adc have advantages of themselves, and they are two important column parallel adc.

总之两种ADC各自有着自身的特点和应用环境，是两种重要的列并行模数转换器。

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thanks to its unique techniques of oversampling and noise shaping, sigma delta adc effectively filters out inband noise and enhance signal-to-noise ratio.

尤其是sigma delta模数转换器，由于其特有的过采样技术和噪声整形技术，有效地滤除了带内噪声，提高了信噪比。

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adc ( analog-to-digital converter) converts the analog signal into digital signal, which can be processed by dsp ( digital signal processor).

ADC（模数转换器）将模拟信号转换成DSP（数字信号处理器）可以处理的数字信号。

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in input channel, i/ v transfer circuit was designed to match the output signal of flow-meter and the input signal of a/ d chip-tlc0834.

为使流量计输出信号与模数转换器输入信号相匹配，在输入通道中设计了I／V转换电路，A／D转换采用串口转换器TLC0834。

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the research of the comparable high speed a/ d converter in standard cmos technology has also become the one of such emphases.

其中研制与标准CMOS工艺兼容的高速模数转换器为研究的难点之一。

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an improvement in differential non-linearity of analog-digital conversion dwt error derived from the nonlinearity of adc is discussed.

主要讨论了模数转换器（ADC）非线性对DWT带来的误差。

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the analog to digital converter ( adc) is one of the core modules in the integrated sensor.

模数转换器（ADC）是集成传感器中的核心模块之一。

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in the software design of the slave machine, the pwm pulse which is required to generate triangle wave signal is output.

从机软件设计主要是输出生成三角波所需的PWM脉冲，控制模数转换器进行模数转换并处理模数转换数据。

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an intrinsic accuracy, adjustable resolution ramp generator ip core designed for the column single-slope adc in a cmos image sensor is presented.

基于CMOS图像传感器应用，针对列并行的单斜模数转换器设计了一种内在精度高、分辨率可调的斜坡发生器IP核。

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the development of soc requires a/ d converter, other analog circuits and dsp to be integrated in a chip.

SOC的发展要求模数转换器、其它模拟电路与DSP集成在一个芯片上。

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analog-to-digital converter ( adc)' s performance plays a significant role in the entire electronic system.

模数转换器（ADC）性能的好坏对整个电子系统的整体起着决定性的作用。

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high-performance, low power, low-cost embedded adc becomes an important direction of development.

研发高性能、低功耗、低成本的嵌入式模数转换器（ADC）成为当今模数转换器发展的一个重要方向。

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experimental study on wax deposition in model loop

模型环道的蜡沉积实验

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research on wax deposition from crude oils using model loop

利用模型环道研究原油蜡沉积

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numerical simulation of flow and temperature field in test tube of model loop wax deposition apparatus

模型环道蜡沉积装置测试段流场温度场数值模拟

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there is an important effect for adc error to system performance in data gathering system.

在数据采集系统中，模数转换器（ADC）的误差对系统性能的影响是至关重要的。

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analog-digital converter ( adc) is the important interface circuit between digital and analog system.

模数转换器（ADC）是模拟系统与数字系统之间重要的接口电路。

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for testing environment, this work sets up testing environment of high-speed adc and pcb design.

在模数转换器的测试方面主要设计了高速电路应用的PCB板和整个测试平台环境搭建。

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the application of adc in temperature compensation

模数转换器（ADC）在温度补偿中的应用

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it changes the x-ray energy information into digital signal directly and drives the revolution of the digitalization of radiography equipment.

它取代了模拟图像放大器，以及放大器的摄像机光学系统、图像采集管或CCD摄像机和模数转换器，直接将X射线转换为高分辨率数字图像信号，实现了心血管介入设备的数字化革命。

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