查询词典 digital signal

After introducing the principle of Direct Digital Synthesizer, the paper analyses the performance of output signal.

在介绍数字频率合成的原理之后，论文首先对对输出信号的性能进行了分析。

ABSTRACT Based on a summarization of the prevailing techniques for periodic signal measurements, the error sources in digital analyses and the latest progress in the research on reducing spectra leakage, through deep observation and analysis to some real world process phenomena, a novel concept of period domain analysis for process signals is firstly proposed in this dissertation.

基于对周期信号参量测试的发展、数字化分析的误差来源，以及减小频谱泄漏方面国内外的研究现状和发展方向的综述，通过对现实世界中某些过程信号的。。。

Combined the NI PXI-5124 digitizer with the principle of digital quartered demodulation,the software demodulates the dispersed signal efficiently while showing the results perspicuously.

结合NIPXI-5124数据采集卡及数字正交解调的基本原理，该软件可实现对离散化的数字调制信号进行解调分析，同时直观地显示处理结果。

The preamplifier which functions as a digital AV control center which does not perform any signal magnification as a preamplifier, but unifies all program sauce other than Phono.

前置放大器的作用是作为一个数字影音控制中心不执行任何信号的前置放大器放大，但所有程序统一调味以外唱机。

Using a combination of fiber array,electron-multiplier phototube and digital oscilloscope for recording a comb fringe signal,the velocimeter was capable of 1 ns time resolution and 86 μm spatial resolution.

系统采用梳状干涉条纹做为信号载体，利用1维光纤阵列＋光电倍增管＋数字示波器替代变像管扫描相机作为记录设备，记录伪推挽四路干涉信号，实现1 ns时间分辨和86 μm空间分辨。

Therefore, the study of digital audio signal storage, processing and playback system has a very important practical significance.

所以，研究音频信号的数字化存储、处理和回放系统有着很重要的现实意义。

The paper provides the design of battery supervision and control module for local telecommunication power supply supervision and control system, including the signal preadjustment circuit, on-line range conversion circuit and analog to digital conversion circuit.

文章对本地用通信电源监控系统中下位机模拟量采集模块的设计进行了深入研究，包括信号预调理电路、量程在线转换电路以及模数转换主电路等。

In order to adapt orthogonal digital video signal processing,it adopts orthogonal processing technology,advanced methods of range error extraction,high accuracy range quantization error and high-speed code complement counter etc.

为了适应正交数字视频信号的处理，采用了正交处理技术、先进的距离误差提取方法、高精度距离量化误差及高速反码计数器等新技术

However, the CMOS image sensors can provide stronger anti-radiation capacity than CCD as well as Single Chip Integrating with image sensors array, drive and control circuit, signal processing circuit, A/D conversion circuit and Completely Digital Interface Circuit. The CMOS image sensors also possess high quantum efficiency, wide spectral response, good response uniformity, low supply voltage and low request of clock. At the same time, the small bulk, high reliability, low power consumption and low cost are the prominent advantages of the CMOS image sensors too, thus CMOS image sensor has more exploiture foreground in X-ray real-time radioscopy imaging system.

由于CMOS 图像传感器比CCD 具有更强的抗辐射能力，还具有将图像传感器阵列、驱动和控制电路、信号处理电路、模数转换电路、全数字接口电路等实现单片集成以及量子效率高、光谱响应宽、响应均匀性好、工作电压低、对时钟脉冲要求低、体积小、重量轻、功耗低、高可靠、低成本等优点，因此在X 射线实时检测中更具有开发前景。

The initial phase relative stability of signal is very important to digital phase range finder.

在相位激光测距仪中，信号初始相位的相对稳定性对测距仪的测量精度非常重要。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。