模转换

Elevating the valid time of using the cell, and using the cell more rationally. The MCU AT89C51 was used as its main CPU and combined with display module, A/D converter, expended memory and watch dog technology in order to satisfy the need; a new type of infrared wireless technology was used to transmit the data collected and was given the real circuit design picture.

能更有效、合理地使用和保养电池组，提高电池使用寿命；该系统采用单片机主机AT89C51结合显示、模／数转换、扩展存储和看门狗技术；数据传输采用RS-232串口转红外无线技术进行传输，并给出了具体电路设计图示。

When the power supply operates under standby mode, a Fly-back converter is used to provide standby power (5V/1.5A).

当电源模组在待机态时，使用返驰式转换器提供5V/1.5A 待机电源。

This new LumiSil LO grade, offered at a 58 gsm basis weight and a 53 micron caliper, is designed for label converters in Latin America, Europe and Asia that use glassine to make die-cut, pressure-sensitive roll labels with paper and film face stocks.

这种新的LumiSil劳年级，开设了58的GSM基础体重和53微米卡尺，是专为标签转换器，在拉丁美洲，欧洲和亚洲使用玻璃纸，使模切，压力敏感的辊标签纸和胶卷脸股票。

Based on the hydrokinetics study of jigging process, the free vibration equations of ideal fluid and actual flow vibration equations have been established. These equations are the theoretical foundation to set the operation parameters and air pressure of the jig. The similar criteria and their related equation of model jig have been deducted by actual flow vibration equation. These similar criteria can be used for parameter transformation between model jig and industrial jig. One set of single cell model jig with measuring system has been constructed in laboratory.

本文通过对跳汰过程的流体动力学研究，建立了跳汰机中理想流体的自由振动方程和实际水流的振动方程，为跳汰机工作制度及风源风压的确定提供了理论依据；利用跳汰机中实际水流的振动方程推导出了跳汰机模型试验的相似准数，建立了模化准则关系式，为工业跳汰机与实验室跳汰机之间的参数转换提供了理论依据；并设计建造了一套实验室单槽模型跳汰机及其实验检测系统，为深入开展跳汰理论的研究创造了条件。

In this circuit, sensing resistor and senseFET were used to sense the inductor's current.

1引言电感电流的检测在电流模PWM DC-DC转换器中发挥着重要的作用。

System model of the infrared multi-mode acquisition and transform is presented in this paper.

摘 要 研究了红外多模采集转换的系统模型，分析了功能状态。

The relationships of signal-to-noise ratio of sampled signal, analog filter before analog-to-digital converter and sampling rate have been discussed, the results of the discussion have instructiveness for the design of digital receivers.

该文讨论采样后信噪比与模数转换器前的模拟滤波器以及采样率之间的关系，所得结论对数字接收系统设计有指导意义。

To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. In the measure of the groove voltage, the method of float-ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square Curvefit is adopted to reduce the system error.

铝电解生产现场电磁干扰非常严重，为此我们将需要测量的模拟信号就近转换为频率脉冲后再传送到控制核心；采用浮地接入方式消除槽电压信号中的共模成分；设计了量程自动切换电路以解决槽电压的动态范围宽和测量精度高的矛盾；用最小二乘法进行曲线拟和以降低测量的系统误差。

The dynamiccomparators which are lack of kickback noise keep the a...

回踢噪声很小的动态比较器的应用使模数转换器在高速采样时钟下能保持各级输出的模拟信号的稳定。

The time sequence was used to drive the CCD.This driving circuit of CCD was not only used by lignum automatic measurement but also by others CCD.

对于CCD输出信号，可以根据CCD像素频率和输出信号幅值来选择合适的模数转换器；而对于C

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。