可靠性数字

The results of comparison of analogue model measurements and numerical calculations indicate very good agreement, arid confirm the validity of the analogue method for studying complex two-and three-dimensional induction problems.

模拟模型测量和数字计算的比较结果显示了非常好的一致性，这就进一步证实了模拟模型法对于研究复杂二维和三维感应问题的可靠性。

In order to improve the transmission quality and reliability of the digital communication system, channel coding is proposed.

详细说明：为了改善数字通信系统的传输质量，提高数字通信系统传输的可靠性引入信道编码。

The design does involved research and devisal about anti-jamming from both haedware and software, constructs many concrete anti-interference installation, such as: interference source suppression, channel coupling check, increasing capacity against disturbance of sensor, double contactor mode, digital filtering, add in blank command, install house dog, install software reap, to have a higher reliability.

该系统设计从软件设施和硬件设施两方面进行了对系统抗干扰能力的潜心研究与策划，构建了诸如：抑制干扰源、阻塞耦合通道、提高敏感设备的抗干扰能力、双接触器工作方式、数字滤波、加入空指令、设置看门狗、设置软件陷阱等具体抗干扰设施，从而提高系统工作的安全性和可靠性。

Additional,to enhance the concealment and stability in communication,the information is encrypted and the digital digest is compute before hiding.

为了进一步增加隐秘性和可靠性，待隐藏信息在隐藏之前进行了加密和数字摘要计算。

Comparing with traditional analogue counterparts, digital receivers are of better resolution, reliability, anti-jamming and agility.

与传统的模拟接收技术相比，数字接收机具有高分辨率、高可靠性、抗干扰能力强、灵活可变等许多优点。

Alleged network doorplate, use a group namely 8, 12 arabic numeralses replace original unit address, label of number of every network doorplate all has uniqueness and reliability, once register a success, won't change forever.

所谓网络门牌，就是用一组8—12位阿拉伯数字代替原有的单位地址，每个网络门牌号码标识均具有唯一性和可靠性，一旦注册成功，则永远不会改变。

It with wired compares mainly has the cost to be low, carries conveniently, omits the wired wiring the worry; Specially is suitable to grasping the equipment the correspondence, the battery power supply equipment, the vehicles monitoring, the remote control, the telemetering, the small wireless network, wireless copies the table, the system, the plot messenger call, the industry data acquisition system, the wireless label, the status recognition, must contacts the RF smart card, the small wireless data terminal, the safe fire protection is systematic, wireless domain and so on in external guidance system, biological signal gathering, hydrometeorology monitoring, robot control, digital audio frequency, numeral image transmission the low power loss, the microminiaturization is the current wireless correspondence product then takes along the product in particular the urgent need and the key question.

它与有线相比主要有成本低，携带方便，省去有线布线的烦恼；特别适用于手持设备的通信、电池供电设备、车辆监控、遥控、遥测、小型无线网络、无线抄表、门禁系统、小区传呼、工业数据采集系统、无线标签、身份识别、非接触RF智能卡、小型无线数据终端、安全防火系统、无线遥控系统、生物信号采集、水文气象监控、机器人控制、数字音频、数字图像传输等领域中。低功耗、微型化是当前无线通信产品尤其是便携产品的迫切要求和关键问题。无线通信的另一个关键问题是数据传输的可靠性，这取决于诸多因素，如频率选择、同频干扰、传输距离、天线选择等，这些在设计无线通信系统时都要认真考虑和比较。

Account to compare with the traditional frequency, the single-chip-machine frequency that join together accounted to simplify with the FPGA the electric circuit knothole designs, increasing the system design of realize sex with dependable, measure the scope of frequency comes to an a software for, realizes arithmetic figure system hardware turns, this is the new trend that arithmetic figure logic design.

和传统的频率计相比，单片机和FPGA结合的频率计简化了电路板的设计，提高了系统设计的实现性和可靠性，测频范围达到了100MHz，实现了数字系统硬件的软件化，这是数字逻辑设计的新趋势。

Considering the randomness of the structural physical parameters and utilizing the random variable's functional moment method and the algebra synthesis method, the mean value and the variance of the mean square value of the structural displacement response under stationary random excitation are computed firstly from the expressions of structural stationary response in frequency domain. And then the expressions of the mean value and the variance of stochastic rigid frames dynamic reliability are educed from the Poisson formula of calculating dynamic reliability.

考虑结构的物理参数具有随机性，从结构随机响应的频域表达式出发，利用求解随机变量数字特征的代数综合法和矩法，导出随机参数刚架结构在平稳随机激励下的位移及速度响应均方值的数字特征，再由动力可靠性的Poisson公式导出结构动力可靠度的计算公式。

In this paper,we analysed the problem of the analogue electric control system which was adopted in the shaft hoist in Zhangji coal mine,and put forward the scheme of technical reconstruction by using the digital analogue circuit system.

针对张集煤矿提升机电控系统由模拟电路改造为数字系统，由原有模拟电路所存在的问题入手，分析了其问题所在，并提出了改造方案，从而从根本上解决了原有的问题，数字电控系统具有可靠性高、稳定性好等优点。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。