查询词典 A.D.

This board uses two chips, six channels A/D converter and phase locking synchronous technology for collecting three-phase voltage and current signals in timing and equal-time cycle sampling ways, and the gained data make more reasonable for power quality norm analysis.

并采用了两片六通道高速A/D转换器和运用了锁相同步技术，对三相电压和电流信号能进行定时采样和等间隔采样，这样得到的数据对于下一步电能质量指标进行分析更为合理。

This paper brings forward new method on measuring the plate current density of ESP and introduces each parts of the measuring device such as the transforming of I/O, the magnification of pressure code, the transforming of A/D, the interface circuit, the data receiving method of computer and etc.

本论文就电除尘器的板电流密度的测试提出了新的方法，并就测试装置的各组成部分，如：I/V转换及电压信号的放大、A/D转换及接口电路、微机对数据的接收方法等作了详细的说明。

High-quality mic preamps are teamed with professional A/D converters for excellent sound.

高质量话筒前置放大器和专业的A/D转换器确保出色的音质。

The system comprises three pacts: the detecting of ECG, A/D converter and LCD display.

整个系统包括心电信号的采集、A/D转换、液晶显示三部分。

Basing on TI Corporation's DSP chips TMS320LF2407A as high-voltage protection system CPU in this article, AC analog which comes from high voltage power grid is converted to digital value which DSP can process by 14-bit A/D converter MAX125, monitoring the entire status of the high-voltage power grid in real-time, tripping off by controlling external relay quickly when abnormal operation happened, turn off the power grid to protect the power grid and other electrical equipment.

本文是基于TI公司的TMS320LF2407A型DSP芯片作为高压电继电保护系统的中央处理器。通过MAX125的14位A/D转换器采集高压电网中交流模拟量来转换为供DSP处理的数字量，从而进行数据分析处理，对整个高压电网的运行状况进行实时监控，当遇到不良运转时控制外部继电器迅速跳闸，切断电网，从而保护整个电网及其他用电设备。

This design uses AT89C51 SCM chip controls the charging process, achieving A/D convert and show circuit. The battery voltage information can be detected by the external circuit to choose the correct charge mode, realizing the intelligent conversion mode of the trickle charge, the constant current charging, the constant voltage charging and the float charge.

采用AT89C51单片机芯片作为充电过程的控制芯片进行电路设计，实现A/D转换和显示电路，并根据外部电路检测到的电池电压信息选择正确的充电模式，实现在涓流、恒流、恒压及浮充电模式之间的智能转换。

The design is based on the control of the 8051 MCU,from this, we can realize the functions such as data collection, A/D transformation, range control, display as well as warning and so on.

本设计基于单片机8051的控制，可以实现数据的采集、A/D转换、量程转换、显示以及报警等功能。

Thermostats MCGS software used by A / D conversion of data collection, displayed on the monitor temperature curve.

恒温采用MCGS软件通过A/D转换数据采集，在显示屏上显示温度的变化曲线。

This article from the temperature examination electric circuit, a/D switching circuit, the output control electric circuit, the keyboard and LED display circuit's design and so on several aspects embarks, the dissect and has designed based on monolithic integrated circuit's greenhouse big awning observation system's each partial contents, has designed the monolithic integrated circuit and the peripheral circuit, the parallel connection unites the set of complete procedure algorithm.

本文从温度检测电路、A/D转换电路、输出控制电路、键盘及LED显示电路的设计等几个方面出发，详细研究和设计了基于单片机的温室大棚测控系统的各个部分内容，设计了单片机及其外围电路，并结合一套完整的程序算法。

In his Res Gestae Augustus notes with pleasure the census he took of the Roman citizens, registering their increase in numbers from 4,063,000 in 28 B.C. to 4,937,000 in A.D.

奥古斯都皇帝在他的《功业录》中不无欢欣的写到在他对罗马公民所做的人口普查中，其人口从BC28年的4，063，000增长到A.D.14年的4，937，000。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。