数字信号

This digital thermometer design uses the American DALLAS Semiconductor Company after DS1820 promotes one kind of advanced version intelligence temperature sensor DS18B20 takes the detecting element, the temperature measurement scope may amount to 0.0625 degree Celsius for the - 55--125 degree Celsius biggest resolution, may the direct readout measure the temperature to plant, moreover used the three-wire system and the monolithic integrated circuit is connected, reduced the exterior hardware circuit, has at the same time the characteristic which the low cost and easy to use it to have the microminiaturization, the low power loss, the high performance, the anti-jamming ability strong, easy to match merits and so on microprocessor, the especially qualify in constituted the multi-spot temperature observation system, might directly the temperature inversion serial digital signal for microcomputer processing, moreover each piece of DS1820 had onlyThe product number and may store in its ROM, in order to constitution large-scale temperature observation system time hangs on the single track meets willfully many DS1820 chips.

本数字温度计设计采用美国DALLAS半导体公司继DS1820之后推出的一种改进型智能温度传感器DS18B20作为检测元件，测温范围为-55——125摄氏度最大分辨率可达0.0625摄氏度，可以直接读出被测温度植，而且采用三线制与单片机相连，减少了外部的硬件电路，具有低成本和易使用的特点同时它具有微型化、低功耗、高性能、抗干拢能力强、易配微处理器等优点，特别适合于构成多点温度测控系统，可直接将温度转化成串行数字信号供微机处理，而且每片DS1820都有唯一的产品号并可存入其ROM中，以便在构成大型温度测控系统时在单线上挂接任意多个DS1820芯片。

This design use temperature sense organ to collect environment temperature, change the simulate signal into digital signal.

设计中利用高精度可达0.1的温度传感器AD590采样环境温度，将温度传感器输出的模拟信号经A/D转换器转换为数字信号，再经单片机加工处理，转换为八段显示码，由接口电路输出，驱动数码显示管。

Telecommunication cables with paper or thermoplastic insulation; coaxial telephone cables; cables for digital transmission; signal telecommunication railway combined cables; signal cables and cables for measuring-setting technique.

电信缆绳以纸制或热塑料为绝缘材料，电话缆绳，缆绳以数字信息传输，数字信号通信缆绳，通信缆绳和测量设置技术

According to the current high real time peculiarity and high precision demands of beacon beam processing subsystem of space optical communication and the requirements of our project, the method that uses digital signal processor to solve the image position error signal extraction of beacon beam is proposed in this dissertation. It have the following advantages: the small system volume, the slight weight, the small power, the high real time peculiarity and the high precision and so on.

根据目前空间光通信对信标光处理子系统提出的高实时性和高精度性的要求以及课题的需要，本论文提出用数字信号处理芯片DSP来解决空间光通信中信标光的像面位置误差信号提取的问题，其优点就是系统体积小、重量轻、功耗低、实时性高、精度高等。

It can increase the automatic degree to sedimentation test as well as improve its test accuracy by on-line error compensation. And have the ability of field-bus communication and data storage, so the information can be communicated for long-distance or stored for long-term. With the SIMATIC S200 series PLC as a core and mated with the field-bus communication module and related components, I bring forward a complete design of hardware, and design some related procedure of the PLC and monitor computer.

本文将介绍一种基于数字信号处理和现场总线技术的新型高速公路沉降仪，不仅提高了沉降测试的自动化程度，而且通过在线误差补偿手段提高了测试精度，并且具备现场总线通讯和强大的数据存储能力，可实现信号的远距离传输或长期存储。

The ratio of signal-to-noise is raised and the system reliability is improved by using the digital signal processing technology.

采用的数字信号处理技术，有效地提高了采样信号的信噪比，增强了系统的可靠性。

This article introduced a kind of pattern recognition method the rhythm code with the psychological rhythm characteristics by use of DSP.

本文提出一种由数字信号处理DSP系统控制的含有心理节奏特征的节奏码的使用及一维信号模式识别方法。

What I do is a Micro Controller Unit correspondence blast-off device, it can show the digital signal, and also can send out the signal .

我所做的是单片机串行通信发射机，它能显示数字信号，还能将信号发射出去。

What I do is a Micro Controller Unit correspondence blast-off device, it can show the digital signal, and also can send out the signal .

摘 要：本设计所做的是单片机串行通信发射机，它能显示数字信号，还能将信号发射出去。

As for characteristics of computer information leakage, at present, signals of each part of computers are mainly of the binary digital signal form.

计算机信息泄漏的特性，目前，计算机各部分中的信号形式主要是二进制数字信号。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。