模转换

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。

ADC0809 based on the number of assembly language to program mode, to achieve accurate voltage acquisition and conversion.

详细说明：基于汇编语言的ADC0809数模转程序，能够实现电压的精准采集与转换。

The design includes multi-channel A/D conversion, data pre-processing, the interrupt circuit and data buffer etc.

完成了多路模拟信号的同步高精度模／数转换、数据预处理、中断、数据缓存等电路的设计。

Again, consider using amplifiers that exhibit a smooth input bias current transition throughout the applied input common-mode voltage.

再者，所用的放大器也要考虑在加到输入端的整个共模电压输入偏置电流转换保持平滑。

Again, consider using AMPLIFIER s that exhibit a smooth input bias current transition throughout the applied input common-mode voltage.

再者，所用的放大器也要考虑在加到输入端的整个共模电压输入偏置电流转换保持平滑。

Error analysis of digital instruments on their characteristic parts including sample/holder circuit error and analogue/digital convector error was reviewed in this paper. With the help of some examples and data tables, error origins and the synthetic method were discussed.

评价了数显仪特征部分误差分析方法，包括：采样／保持电路、模数转换单元的误差，并通过典型例子和列表数据分析了多种误差源及其综合计算方法。

After Using the off-line data sampling technology and simultaneous lock, parallel A/D convert technology, the time discrimination ratio was decreased to a duration of 0.83μS. The color adjustment panel and unfactual page exchange technology was used to show arc moving procedure in the software design.

采用硬件时序电路控制数据采集过程、同步锁存和并行模数转换等硬件技术大大地提高了测试过程的时间分辨率；软件设计中，采用调色板技术实现图象的灰度显示，采用虚拟页切换技术实现电弧运动过程的动画显示；采取软硬件结合的办法，可随意改变传感器阵列在二维平面的排列形状和疏密程度，这可以扩大电弧研究工作中测试系统的适用范围。

The laser unit, because of its monochromaticity and small divergency, is used as sensor's light source. Devices and chips provided with high-speed responsing and processing capabilities are employed.

该方案采用光电传感、模数转换的方法，通过信号处理把被摄对象的高速时空信息以最简单最直观的方式展现出来。

The general intelligent controller for building automation system is composed of AT89S52 and RS232 interfaces, modulus conversion chip, dynatron and NE4100 gateway etc.

作者：李雅梅，叶景楼，孙红鸽作者单位：（辽宁工程技术大学电气工程系，辽宁阜新 123000）摘要：楼宇自动化用智能控制器由AT89S52、RS232接口、模数转换芯片、三极管及NE4100网关等组成。

Any change in the excitation voltage results is a change in the analog input voltage seen by the ADC.

任一变化在励磁电压的结果是由模数转换器在模拟输入电压。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。