1) video codin-g
数频信号
2) number of frequency bins of signal
信号频点数
1.
This paper develops a novel method for evaluating SNR of sine signals in communication system simulation,in which FFT is applied,and analyzes the influence of number of frequency bins of signal,sampling rate and measurement time on the results.
本文提出了在通信系统仿真中采用FFT估计正弦信号信噪比的新方法,并分析了信号频点数、采样率及量测时间对估计结果的影响。
3) digital video signal
数字视频信号
1.
This paper presents a method of the I2S standard audio data and ITU-R 656 format digital video signal processing through synchronous serial port and parallel peripheral interface in DSP.
介绍了一种采用DSP的同步串口和并行外设接口,对I2S标准音频数据和ITU-R 656格式数字视频信号进行处理的方法。
2.
This system obtains digital video signal through ten cameras that are fixed on the cash desk.
介绍了一种超市防盗用10路视频监控系统的设计,该系统通过安装在收银台的摄像机进行数字视频信号的采集,根据传感器信号的情况,通过切换控制器将视频信号送入视频采集卡,进行实时视频处理,当有异常情况发生时及时发出报警信号。
4) digital audio signal
数字音频信号
1.
By mean-quantization,two complementary watermarks were embedded in a digital audio signal s wavelet coefficients.
首先介绍了均值量化(mean-quantization)方法嵌入水印比特信息的基本原理,在此基础上提出了数字音频信号的多目的水印嵌入算法,该算法在对数字音频信号作离散小波变换基础上,充分利用均值量化的优势,将视觉可辨的水印—二值图像嵌入小波低、中频系数中,实现了鲁棒性水印和脆弱性水印同时嵌入音频信号中,达到版权保护和内容认证的双重目的。
2.
The fundamentals of embedding watermark bit data with mean quantization are explained, and the watermarking algorithm is presented for a digital audio signal.
首先给出了均值量化(mean-quanti-zation)方法嵌入水印比特信息的基本原理,在此基础上提出了数字音频信号的水印嵌入算法。
3.
In this paper,a new watermarking algorithm based on wavelet transform for digital audio signal is proposed.
文中主要研究了数字音频信号嵌入数字水印的基本原理。
5) Frequency logarithmic mod-ulation signal
对数频调信号
6) Digitized IF Signal Generator
数字中频信号源
1.
Integrative FPGA Design of GPS Digitized IF Signal Generator;
GPS数字中频信号源一体化FPGA设计
补充资料:数不胜数
1.数也数不清。形容很多。
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