查询词典 analog to digital

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。

We used coupling phototube convert the voltage of reflector voltages of klystron linearly to lower voltage, and convert the lower voltages of standing wave measuring line and crystal detector inputting power linearly to higher voltages by operation amplifier. Then we inputted these voltages to computer by analog-to-digital card and plotted the graphs of working characteristics of reflecting klystron with software .

利用光电耦合器将速调管反射极高电压线性转换为低电压，同时将驻波测量线测得电场强度的电压值和晶体检波器所测得的反射式速调管输出功率的电压值通过运算放大器线性放大，然后经过模数转换卡采集到微机中，利用软件绘制出速调管的工作特性曲线。

The authors used coupling phototube convert the voltage of reflector voltages of klystron linearly to lower voltage and converted the lower voltages of standing wave measuring line and crystal detector inputting power linearly to higher voltages by operation amplifier. Then inputted these voltages to computer by analog-to-digital card and plotted the graphs of working characteristics of reflecting klystron with software.

利用光电耦合器将速调管反射极高电压线性转换为低电压，同时将驻波测量线测得电场强度的电压值和晶体检波器所测得的反射式速调管输出功率的电压值通过运算放大器线性放大，然后经过模数转换卡采集到微机中，利用软件绘制出速调管的工作特性曲线。

Through the elevator shaft DC transmission control system triggers the transformation of the traditional analog to digital trigger into digital trigger.

通过对矿井直流提升机传动控制系统中触发器的改造，将传统的模拟触发器改换成数字触发。

The testing method comprises the following steps:(1) collecting the electrocardio-signal, the phonocardio-signal and the pulse signal of radial artery;(2) performing analog-to-digital conversion to the three signals to form the signal oscillogram;(3) identifying and extracting the characteristic point of each signal;(4) constructing the time series RR of electrocardio-period, the electromechanical delay time series and the pulse wave propagation time series of the combined variability index;(5) testing the validity of each time series;(6) calculating the heart rate variability, the electromechanical delay variability and the pulse wave propagation time variability; and (7) calculating the combined variability index of angiocarpy AV.

本发明提供了一种心血管系统联合变异性指标的检测方法和装置，检测方法包括以下步骤：(1)采集受检测者的心电、心音、挠动脉脉搏信号；(2)对三路信号进行模拟-数字转换，形成信号波形图；(3)识别和提取三路信号各自的特征点；(4)构造联合变异性指标的心电间期时间序列RR，电机械延迟时间序列和脉搏波传播时间序列；(5)检验各时间序列的有效性；(6)计算心率变异性、电机械延迟变异性和脉搏波传播时间变异性；(7)计算心血管联合变异性指标AV。

To change the representation of data from one form to another without changing the information they convey, e.g., radix conversion;code conversion; conversion from punched cards to magnetic tape; analog to digital conversion.

把数据从一种表示形式转换为另一种表示形式而不改变它所表达的信息。例如，基数转换、代码转换、穿孔卡片到磁带的转换、模-数转换。同transform。

Methods: The precise frequency of RMF is controlled by using microcomputer to drive step motor, and intensity of magnetic field is measured by using 10-bit Analog-to-Digital Converter module which is integrated in microcomputer. According, the technique of LCD screen to display relative information, such as, frequency, intensity of magnetic field, time of timer, is applied.

采用高性能单片机实现精确地控制进电机的转速，从而达到控制旋转磁场的频率，并利用其内带的10位A/D转换实现对磁场强度的测量，同时利用LCD显示旋转的频率、磁场强度、定时时间等信息。

PeakStop is a smooth well-controlled soft clipper whose behavior is sonically similar to the gentleness of OverEasy compression; its clipping is much preferable to a power amp's or analog-to-digital converter's.

峰值终止是一个平滑的很好控制的软剪切，如同OVEREASY压缩一样具有柔合性。它的剪切作用在功放或模数转换器中有着优越的性能。

The transition from analog to digital RF technology has generated the need for high-performance RF test tools and has fueled the demand for digital as well as PC-based oscilloscopes or digitizers.

从模拟到数字射频技术的转变产生了对高性能射频测试工具的需求，同时也为启动了对基于 PC 的示波器和数字化仪的需求。

This board has proper strategy to get the data for power quality analysis, because it uses two chip, six channel analog-to-digital converter and phase locking synchronous technology, which make it able to collect three phase electric voltage and electric current signals in timing sampling and equal-time cycle sampling ways.

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。

In this section we look at the theory behind the techniques used in rotary polishing and the effects that they have on paintwork and the results achieved.

在这里看抛光剂使用背后的理论，到底是怎么一回事，我们如何用好的抛光机和好的使用技巧来达到好的效果。

I'll dig like a psychotic rodent if I have to.

那我就帮你挖到中国去。