数字化

Firstly, a quantitative relation about finite deformation and geometrical parameters which exhibit variation of laser spectral image was introduced. And then, particular emphasis was put on some important computer processing steps related to the analysis of spectral image, such as digitizing, segmentation, feature extraction and analytical algorithms. Lastly, some examples about an experiment of a ring subject to large diametral compression were given.

文中首先给出了有限应变和平均整旋角与反映频谱图像变化的几何参数之间的定量关系，然后着重介绍了与频谱图像分析有关的数字化、分割、特征提取和分析算法等重要的图像处理过程，最后给出圆环受径向荷载大变形实验的分析实例。

Then,designed and implemented the digital dielectric loss on-line monitor system in this foundation.

在此基础上设计与实现了数字化介质损耗在线监测系统。

In this paper, multiplier and integrator are used to form differential frequency meter.

直接采用数字化频率差计才是最佳途径。

Checksum, CRC, hash algorism, message digest, digital autograph and public denskey system are thetechnology to transmit relative data, confidential information and veracity confirmation through compuer or internet, and couldbe applied to the government network.

校验和、循环冗余校验码、散列算法、消息摘录、数字化签名和公共密钥加密系统是可用于INTERENT网或用计算机传送的有关数据、信息加密和真实性确认的技术。

According to the demand of high magnetic field power supply, reference is increased with a set ramp rate and stops at a set stable value, so reference system is composed of digital setting and digit to analog converting circuit. But the stability of reference is mostly guaranteed by the performance of D/A circuit, so D/A circuit is particularly studied in reference system. The scheme of D/A circuit, the selection of DAC and its voltage reference, hardware anti-jamming design and PCB design are discussed in detail, and software of remote control and PLC are discussed in brief. Zero-flux DC current transformer well satisfies the demands of the high stability of Load current detection unit, so the principle of zero-flux DC current transformer is analyzed; in the mean time a project which detects the long term stability is designed. During 8 hours, analog signal which is detected with high precision digit multimeter is recorded in computer at 1HZ frequency by GPIB communication. The drift error source and related parameters are explained in the compare-amplify part. Detailed subtraction circuit is designed; also amplifier chip and periphery components are selected and verified according to the theory of error analysis.

根据强磁场电源的需求，参考源应按照软件设定的斜率逐渐上升到设定稳态值，则参考源系统应由数字给定和数模转换电路两大部分组成，而参考源的稳定度主要依靠完成数模转换功能的模拟电路的性能来保证，因此本文对参考源系统的研究以数模转换电路为重点，分别从电路方案的确定、数模转换芯片及其基准电压源的选取和验证、电路板硬件抗干扰和PCB设计几方面进行了论述，然后对数字给定部分的远控组态和PLC程序设计作了简要介绍；采用零磁通原理的直流电流转换器很好地满足了对负载电流检测单元高稳定度的需求，本文详细分析了零磁通检测的原理，并在选定此种类型电流转换器的基础上设计了一套检测长期稳定度的方案，8小时内以1秒为采样周期，通过计算机Labview程序和高精度数字电压表的GPIB通讯，将被高精度数字电压表数字化后的模拟信号采样值连续记录至计算机中；比较放大环节简要阐述了漂移产生的原因和相关参数指标，确定了具体的减法电路形式，并根据误差分析理论对运算放大器和外围元器件进行了选取和验证。

With the rapid development of the information age, power equipment gradually develops in the direction of digit.

随着信息时代的飞速发展，电源设备也逐渐向数字化的方向发展。

In digital manufacturing technology, computer numerical control technology and NC programming technology is one of the most important technology

在数字化制造技术中，计算机数控技术和数控编程技术是最重要的技术之一

The twenty-first century, with the development of science and technology, computer digital popularity in all walks of life.

二十一世纪，随着科学技术的发展，计算机数字化在各行各业的普及。

The company has advanced processing technology, modern production equipment, digital computer management and perfect service system, have many years of technical experience.

公司拥有先进的加工工艺，现代化的生产设备，电脑数字化管理和完善的服务体系，具有多年的技术经验。

The digital control system of the welding inverter based on DSP is designed in this paper.

本文在研究前人的经验成果的基础上，针对基于 DSP 的弧焊逆变电源的数字化控制系统进行了研究和设计。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新