1) bit rate
码率
1.
The use of wavelet packet transforms in audio coding is studied, and a new medium and low bit rate mixed domain audio coding algorithm has been given based on the good localization of wavelet packet transforms in both time domain and frequency domain.
研究了小波包变换在声音编码中的应用,通过利用小波包变换在时域和频域都具有良好局部性的特点,提出了一种新的中低码率混合域声音编码算法。
2.
This paper points out that if the f s=2f sc of sub-Nyquist Sampling and DPCM_encoding is used for TV signal, the bit rate may be more compressed and transmission band is reduced.
目前数字电视的最大问题是传输码率太高,传输频带太宽。
3.
To realize the stable video feedback in the satellite self-servicing telerobotics system,a scheme based on scalable bit rate control is proposed.
为实现卫星自维护遥操作系统中稳定可靠的视频反馈目标,提出一种基于分层码率控制的视频传输策略。
2) code rate
码率
1.
The simulation on the AWGN channel shows that the performance curve is convergent at increasing iteration times, and eTPC outperform TPC near 1 dB at high code rate.
在AwGN信道下进行性能仿真,结果表明,eTPC随着迭代次数的增加,性能曲线收敛;在码率较高的情况下,eTPC比TPC编码增益高出近1 dB。
2.
This paper gives simulation and research on multidimensional turbo product codes at different code rate、code pattern and dimension number.
对多维Turbo乘积码在码率、码型、维数各不相同的情况下的性能进行了仿真研究,得出结论:在相同码率的前提下,选择性能优良的码型,增加码的维数,都可以提高码的性能;并在此基础上提出了一种新型的针对无线信道的码率自适应系统;仿真结果显示,在误码率为10-5时,该系统与固定码率系统相比,在信息传输速率上有明显的优势。
3.
With the increase of the code rate, the production distance between the constellation of the unitary group code decreases rapidly and deteriorates the performance of the system.
随着码率的不断增加, 酉空时码群中的各个星座点之间的乘积距离会变得越来越小, 从而导致性能恶化。
3) rate
[英][reɪt] [美][ret]
码率
1.
One-rank rate control scheme and two-rank rate control scheme are proposed to perform dynamic rate control efficiently during the near lossless coding procedure.
对JPEG-LS图像压缩方案的编码特性进行数据分析,提出一阶码率控制策略与二阶码率控制策略,有效地实现了近无损图像编码过程中的码率动态调整。
2.
Basing on the introduction of the Turbo Code and the coding program in CDMA2000,we build simulation platform and investigate some parameters:interleave sizes,the number of iterations,and rate.
介绍了Turbo码的编解码技术,并且结合CDMA2000中编码方案的具体要求,对Turbo码的参数:交织长度、迭代次数、码率等因素进行了深入分析,仿真结果表明选择合适的交织长度、迭代次数、码率能减少译码的复杂度和减小译码的延时。
4) Bitrate
码率
1.
Results of simulation experiment prove its better performance in improving picture quality and reducing video stream bitrate.
并通过仿真实验验证了该系统在提高图像质量和降低视频流码率上的较好作用。
5) bit-rate
码率
1.
For resource limited, the motion-video data stream with high bit-rate value used in MPEG-2 standard can not forward exactly by media.
MPEG-2的视频数据流在带宽资源不够条件下,常常无法正常地传输,或者在一定的带宽资源条件下,如何传输更多的节目流,更有效地利用带宽资源?要解决如上问题,核心技术是进行MPEG-2的运动视频数据流的码率变换。
6) Low rate code
低码率码
补充资料:HP-241B色带打码机/HP-30手动打码机
适用材料:
塑料薄膜PT、PE、PVC、OPP、KT、铝箔、饮料瓶商标;各种塑料复合材料、塑料袋、纸(不干胶、卡片)、皮革、布;包装容器袋、塑料制品;电子元件外壳。
工作原理及结构特点:
采用热打印带代替油墨打印,采取特殊的活字装卸换字结构,可在任何软包装材料上打印。印字清晰,不易擦掉;卫生干净,无油墨污染之优,是一种经济卫生的打印方式。
HP-241技术参数:
最高速度:70-120次/分 可调
打印间距:任意
打印行数:1-3行
电 压:220V±10% 50Hz
功 率:200W
热打印带宽度:25-35mm
HP-30技术参数:
电 源:220V/50Hz
功 率:≤40W
尺 寸:225×200×155mm
重 量:2.5kg
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条