数字信号

After that, the issue, which should be solved in the picture additive process, is discussed in detail. On the base of analyzing digital television signal data construction, TBC processes is put forward to apply in each group signal. Effective data taken off from the key signal is also solved. And the choice and insertion is used to protect assistant data.

接着，详细讨论了在图像叠加过程中应解决的问题，在分析了数字电视信号数据结构的基础上，提出了对各路信号进行TBC处理的方法，同时解决了对键信号进行有效数据提取的问题，并通过选择插入的方式对辅助数据进行了保护。

The dew point demand option consists of the following: Digital Dew Point Display, Adjustable Set Points, Demand Cycle Light, High Humidity Alarm Light With Dry Contact, 4~20mA Output for Remote Annunciation.

该功能包括：数字显示露点、可设定的控制点、露点控制指示灯、高露点报警指示灯及报警信号、输出露点信号（4-20mA的电流信号）。

With the modern electronic measurement technology that can produce all kinds of signals in the digital waveform signal generator application of more and more, this paper, a DDS as the basic unit of the digital shift, I believe the generator design .

摘 要：随着现代电子测量技术的发展，能够产生各种波形信号的数字式信号发生器的应用越来越广泛，本文介绍了一种以DDS为基本单元的数字移相信号发生器的设计方法。

Firstly, we analysis the principle of fluorescence emitting. Secondly we design a signal detection system based on digital BOXCAR, considering with the feature of the fluorescence signal and the noise background.

首先分析了荧光信号产生的机理，在此基础上考虑到荧光信号十分微弱的特点和在强噪声背景环境下检测，设计了基于数字BOXCAR的信号检测系统。

This means that the CPWM signal carry digital information can play the role of synchronization signal as well.

即混沌脉冲宽度调制信号既可作为调制信号携带数字信息又可作为同步信号使收、发端混沌振荡电路系统同步。

The study and application of the primary current limiting harmonic excluder for the type of the thermal resistor ;2. A recorder based on the thermal resistor s is used to monitor and record the state of the dielectric sample which is put into HV square wave life testing.

该仪器通过PTC 热敏电阻监测高压回路中限流电阻温度变化提取介质击穿信号，以单片机AT89c55为运算控制中心，采用热信号时间差分数字算法处理及控制信号。

The vector signal analysis is a type of signal analysis technologies arisen these years.

本文首先简单介绍了数字调制和数字解调原理和技术，介绍了数字调制信号的测量方法和原则。

A new algorithm for digital audio watermarking is proposed in this paper. This algorithm bases on the wavelet transform. By using this algorithm, the watermarked speech signal sounds the same as the original one. The tiny difference is neglectable by human ear.

主要研究了在数字语音信号中加入数字水印的方法，提出了一种基于小波变换的数字水印隐藏与检测算法，用这种算法隐藏水印具有很强的隐蔽性，对原始语音的影响基本上察觉不出来。

A simple digital device for detecting human balance function is described. The device acquires data of a shaking body of quizzee using a micro sensor for measuring rotator, transforms the data into digital pulse signal, and displays the metrical results through digital display and an audio annunciator.

一种用于人体平衡功能检测的简易式数字检测系统，它通过旋转型传感器采集被测人体的晃动信息，并转化成数字脉冲信号，配合数字显示和声音报警来显示检测结果。

Really, white doctor is at the outset in digital TV industry arduous and cultivated when, he cannot think of probably, the United States already had the family that is as high as 70% above to turn into digital TV platform entirely nowadays, now summerly Beijing Olympic Games more came true first the number of whole journey is high-definition the direct seeding of signal.

确实，白博士当初在数字电视产业中辛勤耕耘时，他或许并没有想到，如今美国已有高达70%以上的家庭全部转入了数字电视平台，而今夏北京奥运会更实现了首次全程的数字高清信号的直播。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。