signal n. 1.信号,暗号;信号器。 2.动机,导火线 (for)。 3.预兆,征象。 call signal 【无线电】呼号。 an alarm signal 警报(器)。 an information signal 〔美国〕暴风警报(旗)。 an international code of signals 国际通用信号。 a signal of distress =a distress signal 船只失事信号。 adj. 1.暗号的,作信号用的。 2.显著的,非常的,优越的。 a signal victory [defeat] 大胜[败]。 vt.,vi. (〔英国〕 -ll-) 发信号[警报]给(人、船等);用信号[警报]通知(暴风、危险等);用动作[手势]示意;预示。 a signaling bomb 信号弹。
A flexible and efficient sinusoidal modeling using matching pursuits suited for signal compression 一种适于信号压缩正弦模型的匹配跟踪方法
Still , we generalize our work and give a preview of the prospect in the digital audio signal compression field 在论文的最后,对本文所做的工作做了总结并展望了该领域的前景。
Because of enormous volume of video digital signal , this requires more advanced technique in video signal compression 由于视频图像信号具有庞大数据量,这就对视频图像压缩技术提出很高的要求。
In order to unfold the whole essay , a general description of the presellt research condition in the field of digital audio signal processing especially in the field of digital audio signal compression is presented 本文针对当前实时实现mp3音频编码和解码的研究课题,首先概述了当前数字音频信号领域尤其是音频信号压缩领域的研究现状。
With the rapidly development of multimedia signal compression and broadband networks technologies , methods of transmitting high - quality multimedia information via networks have become one hottest point of it technologies 随着多媒体信息压缩技术和宽带网络技术的快速发展,通过网络传输高质量的多媒体信息已经成为信息技术领域研究的热点之一。
2 . analyse lfm signal compression performance with high compression ratio , program the correlative test software , compare the pulse compression performance with various window - functions and get the satisfied results . 3 分析了lfm信号在高压缩比情况下的压缩性能,并编制了相关测试软件,对不同加窗情况下的脉冲压缩性能进行了比较,取得了满意的效果。
The primary advances in speech and audio signal processing that contributed to multimedia applications are in the areas of speech and audio signal compression , speech synthesis , acoustic processing , echo control and network echo cancellation 语音和音频信号处理的改进对多媒体应用的贡献在下述范围:语音和音频信号压缩、语音合成、声学处理、回声控制以及网络回声消除。
Experimental result shows that for sonant part of speech signal , 3 ~ 5 common ridges is enough to describe the main characteristics . signal compression is achieved by choosing proper way to represent the ridge information and use it to reconstruct the original signal 在信号重建过程中,选择合适的方法用少量数据来描述起关键作用的参数,并用这些参数来重建信号,可以达到信号压缩的目的。
To solve these problems , an effective presentation of the biomedical signals is needed , terainologically called data compression , so the research on biomedical signals compression has great significance both in theory and application 要解决这些问题,关键就在于如何有效地压缩信号的数据量以满足实际应用的要求,因此生物医学信号压缩技术的研究无论在理论上还是在实际应用中都具有重要的价值与意义。
We study the wavelet neural network theory and how to build models . the wavelet networks can be used in ecg signal compression by adjusting wavelet basis and weight values . at the same time , this algorithm also can reconstruct the ecg signal very well 在理论研究了小波变换方法和神经网络的基础上,提出了基于小波神经网络的ecg数据压缩算法,并分析研究了基于小波神经网络压缩ecg数据的原理和模型的构建方法。