查询词典 digital

The single-wire digital temperature sensor used in this system can give digital temperature signal directly, which is connected to the port of SCM AT89C2051 to form a water temperature control system with simple structure and low cost.

本系统采用 DS18B20单线数字温度传感器，直接输出数字温度信号，与单片机 AT89C2051接口相连，形成水温控制系统，结构简单，并且制作成本低。

Equipped with international advanced binding equipment: Martini long linkage binding, digital computer lock-ray machine, digital automatic visco-box, etc., after the Public Works equipment peritoneal, cutting, silver gilt, UV, such as riding a well-equipped nail.

配有国际先进的装订设备：马天尼联动胶装龙、数字电脑锁线机、数字自动粘盒机等，后工设备腹膜、模切、烫金银、UV、骑钉等设备齐全。

The vestigial side band and coded orthogonal frequency division multiplexing digital transmission systems are accepted in digital HDTV transmission system. This paper gives a theoretical view to the performance of these two systems and the results of the systems simulation.

从理论上对数字高清晰度电视的两种传输方式——VSB和COFDM数字传输系统的性能进行了比较，给出了系统模拟结果，理论分析和模拟结果都证明这两种传输系统在性能上是等价的。

Keywords: regulated power supply of direct current; single2ch ip m icrocomputer, digital control Abstract:This system to dc voltage source as the core, mainly AT89S52 SCM, through the keyboard controller to install dc power supply output voltage, setting stepping class can reach.01v output voltage, the range of 0-9.9 V, the maximum current 330mA for, and can show the actual pipe by digital output voltage values.

数控直流稳压电源论文关键词：论文关键词：直流稳压电源单片机数字控制论文摘要：论文摘要：本系统以直流电压源为核心，AT89S52 单片机为主控制器，通过键盘来设置直流电源的输出电压，设置步进等级可达 0.1V，输出电压范围为 0—9.9V，最大电流为 330mA，并可由液晶屏显示实际输出电压值。

Digital business card printing and membership card making for screen business card printing and membership card accepted by making operators, it is no longer seen as a threat, but a very interesting opportunity, that's why we screen business card printing and membership card making enterprise why do I have to enter the digital business card printing and membership card industry.

数码制卡和会员卡制作已为网版制卡和会员卡制作业者所接受，它的存在不再被看作是一个威胁，而是一个很有意义的机会，这就是我们网版制卡和会员卡制作企业为什么必须要进入数码制卡和会员卡制作领域的原因。

The digital image "Lena" often used by image processing workers and the school badge of Tianjin University of Science and Technology were chosen as watermark images. The robust digital watermarking algorithm based on DCT domain and MATLAB software were applied to do imbedding and extracting,and robustness detecting of the images.

选取基于DCT域的鲁棒水印算法、数字图像处理工作者常用的Lena图和天津科技大学校徽图像作为嵌入的二值水印图，利用MATLAB软件进行水印图像的嵌入、提取实验和鲁棒性检测实验。

One is the comparison with violet durable, inexpensive source of light, in a variety of plate without treatment process; three is to speed up the plate sanshang, scale; 4 is to increase the digital source of lead characters chromatic number, step up, process, color management, so that the traditional business card printing products can be easier to keep up with the digital proofing.

一是拔存紫激光等比力耐用、昂贵的光源；二是拔存百般版材不任办理工艺；不一是放慢版材的国产冻、范畴冻；四是补充数码打样机色数，放松泉源、历程、终端摆设的色彩处置，以便使古板制卡产物可以比力便当不天追上数码打样的成果。

This experiment counts based on the direct digital frequencysynthesis the basic principle, fully II and hardware LT - IV testedthe box using ALtera Corporation's FPGA chip FLEX10 in softwareMaxplus in the platform to complete the DDS system design, hasdesigned a frequency and the phase may control has the sine and thecosine output direct numeral frequency synthesizer, was allowedto control and to observe the profile through the downloading boardand the Oscilloscope , completed in the enhancement request hascontrolled the frequency and the phase through the downloading boardon pressed key, as well as many kinds of profiles, includingsquare-wave, saw-tooth wave, triangle wave and cosine wave choiceoutput, In addition on digital tube dynamic demonstration productionprofile frequency, and produces the tbl document from the simulationprofile, simultaneously draws the profile using the matlab higherorder language.

帮忙翻译一下，谢谢本实验基于直接数字频率合成计的基本原理，充分利用ALtera公司的FPGA芯片FLEX10在软件MaxplusⅡ和硬件LT—IV实验箱的平台上完成了DDS系统的设计，设计了一个频率和相位均可控制的具有正弦和余弦输出的直接数字频率合成器，通过下载板和示波器可以控制和观察波形，在提高要求中完成了通过下载板上的按键来控制频率和相位，以及多种波形，包括方波、锯齿波、三角波和余弦波的选择输出，此外在数码管上动态显示生成的波形频率，并且从仿真波形中生成tbl文件，同时利用matlab高级语言画出波形。

This experiment counts based on the direct digital oscilloscope frequencysynthesis the basic principle, fully II and hardware LT - IV testedthe box using ALtera Corporation's FPGA chip FLEX10 in softwareMaxplus in the platform to complete the DDS system design, hasdesigned a frequency and the phase may control has the sine and thecosine output direct numeral frequency synthesizer, was allowedto control and to observe the profile through the downloading boardand the oscilloscope, completed in the enhancement request hascontrolled the frequency and the phase through the downloading boardon pressed key, as well as many kinds of profiles, includingsquare-wave, saw-tooth wave, triangle wave and cosine wave choiceoutput, In addition on digital oscilloscope tube dynamic demonstration productionprofile frequency, and produces the tbl document from the simulationprofile, simultaneously draws the profile using the matlab higherorder language.

帮忙翻译一下，谢谢本实验基于直接数字频率合成计的基本原理，充分利用ALtera公司的FPGA芯片FLEX10在软件MaxplusⅡ和硬件LT—IV实验箱的平台上完成了DDS系统的设计，设计了一个频率和相位均可控制的具有正弦和余弦输出的直接数字频率合成器，通过下载板和示波器可以控制和观察波形，在提高要求中完成了通过下载板上的按键来控制频率和相位，以及多种波形，包括方波、锯齿波、三角波和余弦波的选择输出，此外在数码管上动态显示生成的波形频率，并且从仿真波形中生成tbl文件，同时利用matlab高级语言画出波形。

This experiment counts based on the direct digital frequencysynthesis the basic principle, fully II and hardware LT - IV testedthe box using ALtera Corporation's FPGA chip FLEX10 in softwareMaxplus in the platform to complete the DDS system design, hasdesigned a frequency and the phase may control has the sine and thecosine output direct numeral frequency synthesizer, was allowedto control and to observe the profile through the downloading boardand the oscilloscope, completed in the enhancement request hascontrolled the frequency and the phase through the downloading boardon pressed key, as well as many kinds of profiles, includingsquare-wave, saw-tooth wave, triangle wave and cosine wave choiceoutput, In addition on digital tube dynamic demonstration productionprofile frequency, and produces the tbl document from the simulationprofile, simultaneously draws the profile using the matlab higherorder language.

涂层测厚仪-帮忙翻译一下，谢谢涂层测厚仪-帮忙翻译一下，谢谢帮忙翻译一下，谢谢本实验基于直接数字频率合成计的基本原理，充分利用ALtera公司的FPGA芯片FLEX10在软件MaxplusⅡ和硬件LT—IV实验箱的平台上完成了DDS系统的设计，设计了一个频率和相位均可控制的具有正弦和余弦输出的直接数字频率合成器，通过下载板和示波器可以控制和观察波形，在提高要求中完成了通过下载板上的按键来控制频率和相位，以及多种波形，包括方波、锯齿波、三角波和余弦波的选择输出，此外在数码管上动态显示生成的波形频率，并且从仿真波形中生成tbl文件，同时利用matlab高级语言画出波形。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。