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digital signals相关的网络例句

查询词典 digital signals

与 digital signals 相关的网络例句 [注:此内容来源于网络,仅供参考]

Hybrid computer: A digital computer that processes analog signals which have been converted into digital form.

混合电脑:把模拟讯号转为数字形式处理的数字电脑。

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。

By analyzing present methods for digital channeling,a novel digital channelizing method based on polyphase filter technique is demonstrated,which is more suitable for processing discrete real signals.

为处理双通道采样带来的冗余数据并进一步解决实时性问题,推导出了一种更实用的基于实信号多相滤波的数字信道化方法。

Broadband Digital Cross-connect System. B-DCS is a generic term for an electronic digital cross-connect system capable of cross-connecting signals at or above the DS3 rate.

宽带数字交叉连接系统。B-DCS是一种有关电子数字交叉连接系统的专业术语,能够在大于等于DS3速率上交叉连接信号。

In this paper, the FIR low-pass digital filtering method is first introduced for reducing the effects of noise signals in the experiment of velocity measurement of high-temperature flue gas flowing in pipe. The experimental results indicated that, only one peak presents in the cross-correlation graph, which is in good agreement with theoretical analysis result. Secondly, the temperature and pressure pulse signals of the high-temperature flue gas, obtained by thermocouple and pressure sensor, are introduced to explain the applicability of sensor characteristics.

本文介绍在测量管内流动的高温烟气流速的实验中采用FIR低通数字滤波器滤波方法可以排除干扰信号的影响的研究,实验结果证明,经过滤波处理后的信号互相关函数的图形不会出现大小相当的多个峰值,符合理论分析的结果;其次,本文还介绍了用热电偶和压力传感器采集的烟气温度和压力脉动信号,分析了传感器特性对相关测速的适应性。

The sending end when the use of pulse modulation approach will be a binary digital signal into a frequency modulation of the pulse sequence, and driver fired infrared tube to the form of light pulses sent receiver will receive the pulse of light conversion to electrical signals , and then, after amplification, filtering and other treatment to the demodulation circuit after demodulation, reduced to a binary digital signal after the output.

发送端采用脉时调制方式,将二进制数字信号调制成某一频率的脉冲序列,并驱动红外发射管以光脉冲的形式发送出去;接收端将接收到的光脉转换成电信号,再经过放大、滤波等处理后送给解调电路进行解调,还原为二进制数字信号后输出。

The preliminary chromatogram data were resolved with Mallat algorithm of wavelet analysis theory. This method that resetting the high frequency signals, reconstructing low frequency and then correcting the background signals in the original signal was to avoid the data skewness with negative digital points after background correction and achieve the baseline correction; according to the study and analysis of simulated data including curve background and real data of the needle-plate and free metal partials insulation defects, the method is effective; the best wavelet function of the background correction is Db5 and the best resolution times of the background correction is 8 for chromatogram data of SF_6 decomposition products, based on the calculation with different wavelet functions and resolution times.

在初步获取的气相色谱数据基础上,运用小波分析技术中的Mallat算法对色谱数据进行小波分解,采取将高频信号置零,重构低频背景信号,再用原始信号扣除背景信号的方法,并对背景信号进行纵向平移以避免扣除后出现负数据点造成色谱峰失真的题目及达到色谱图基线校正的目的;通过对含曲线背景信号的模拟色谱数据和针-板、自由金属微粒缺陷下的真实数据的计算研究表明,该方法的应用是有效的;并通过对不用小波函数和不同分解次数的背景扣除计算,确定了SF_6气体放电分解组分色谱背景扣除所选用的最佳小波函数为Db5小波和最佳分解次数为8次。

By generating all essential clock signals for MPEG playback, and converting digital video inputs to either NTSC or PAL video signals, the SP232EEN-L is an essential component of any low-cost solution for video-CD playback machines.

通过产生所有必要的MPEG播放时钟信号,并转换为数字视频输入或NTSC或PAL视频信号,SP232EEN - L是一个任何视频光盘播放机的低成本解决方案的重要组成部分。

The 5mV of the audio signal which comes from the microphone to linear amplificated by the audio signals amplifier,then mixes with music signals from other sound sources(eg:the tape 、CD) by the hybird amplifier . By the control of the digital volume controller the mixed signal ,then amplificated again by the preamplifier,when integrated power amplifier for idling time realizes the signal enlargement factor respectively is 10、100、1000 times;moreover is capable of delivering 3V of output to a 600%26Omega; load. the amplificate signal makes the loudhailer work at last.

该音频信号放大器能够将来自话筒5mV的音频信号进行线性放大,然后和来自其他音源的音乐信号通过混合放大器来混合,混合后的信号经数字音量控制器对高低频的增益进行提升与衰减,再通过前置放大器放大,当集成功率放大器为空载的时候实现信号的放大倍数分别为10、100、1000倍;另外再实现当负载为600%26Omega;的时候,输出幅度为3V,最后经扬声器发出悦耳的声音。

Firstly it introduces relevant technical developments and trends, the task background and significance of the study, then analyzes hardware circuit of using image sensor as images collected, and utilizes the SAA7113 chip to deal with video image beforehand, SAA7113 lets the output of standard digital video signals to storage in FIFO memory, and decodes clock signals, Highlighted microprocessor control external circuit design of false coin and counting, and DSP control external circuit design, such as memory expand ect;Finally analyses CPLD as logic controller to control the logic and scheduling of some part ,and gives the undee emluator of some logic circuit.

文章首先阐述人民币智能分捡器相关技术的发展状况、发展趋势以及课题背景与研究意义;然后设计了利用图像传感器采集人民币图像输出模拟视频信号的硬件电路,以及利用视频解码芯片(SAA7113)对模拟视频图像进行预处理,SAA7113输出的标准数字视频信号存入FIFO存储器,同时还解码输出场、行同步信号、像素时钟信号送入CPLD等部分电路;重点设计了单片机控制验钞、点钞等外围电路,以及DSP控制的外围电路,如存储器的扩展等部分;最后完成CPLD对部分器件的逻辑和时序控制设计,并对逻辑电路的功能进行仿真,仿真结果令人满意。

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