1) adaptive coding
自适应编码
1.
In this paper, an adaptive coding technique is proposed, namely, adaptive Exp-Golomb codes (AEG), in order to mitigate the efficiency loss due to mismatch.
首先介绍了当前最新的几种视频编码标准并且进行了比较,熵编码是每一个视频编码标准必须认真研究的课题,为了减少由于失配所带来的效率损失,本文提出了一种自适应编码技术:自适应指数哥伦布码,并与自适应算术编码进行了比较。
2.
A number of methods are available for the compression of ECG signals, and the method presented is based on wavelet transform and adaptive coding that can reduce distortion in signal reconstruction with the compression rate being 5-12.
对于心电信号压缩的方法有很多,文章提出了心电信号小波变换自适应编码压缩方法,与其它压缩方法相比,此方法减少了信号重建时的失真,压缩比5到12。
3.
In next mobile communication system to suffice more and more high-speed data service and demand of Qos(quality of service) many new wireless link layer transport technologies are going to be used such as MIMO(multiple input multiple output), OFDM(Orthogonal Frequency Division Multiplexing), channel coding and ACM(adaptive coding modulation) etc.
下一代移动通信系统为了满足移动用户对高速、宽带数据传输业务不断增长和更高服务质量的要求,采用了许多新的无线链路传输技术,包括多天线发射和接收技术、正交频分复用技术、信道纠错编码技术和自适应编码调制技术等。
2) Rate adaptive encoding
自适应码率编码
3) adaptive modulation and coding(AMC)
自适应调制编码
1.
16e systems,a cross-layer optimization method was proposed,which efficiently combined the sub-packet transmission scheme at data link layer and the adaptive modulation and coding(AMC) at physical layer.
16e系统中的混合自动重传请求(HARQ)协议,将数据链路层的子包传输机制与物理层的自适应调制编码技术(AMC)有效地结合,提出一种基于跨层设计的自适应参数优化选择方法,该方法以最大化系统吞吐量为目的,研究了HARQ子包数目和调制编码方式的联合最优解。
2.
An scheme of Adaptive Modulation and Coding(AMC) based on Filtered Multi-tone(FMT),is proposed in this paper.
文章提出了一种基于滤波多音调制(FMT)的自适应调制编码(AMC)方案,将AMC与FMT相结合,研究它在WiMAX物理层中的性能,具体研究了基于FMT的正交QAM(OQAM)调制系统,并将它与基于OFDM的AMC进行对比。
4) adaptive entropy coder
自适应熵编码器
5) adaptive precoding
自适应预编码
1.
Focusing on the problem that the intersymbol interference and multipath interference exist in multiple-input multiple-output fading channels,a scheme of adaptive precoding with low-complexity is proposed,in which the precoder and the receiver based on zero forced algorithm are placed at transmitter and receiver respectively.
针对多输入多输出衰落信道中存在的码间干扰和多径干扰问题,提出了一种具有低复杂度的自适应预编码方案。
6) adaptive modulation and coding
自适应调制编码
1.
Combined with the adaptive modulation and coding technology,this algorithm reallocates the residual power by effectively utilizing the discrete modulation orders according to the different priorities of sub-channels under the limitation of quality of service over the block fading channel.
在满足服务质量要求的前提下充分利用星座图尺寸的离散性,将残余功率按照各子信道的不同优先级进行二次分配,并结合自适应调制编码技术改善低信噪比时的系统吞吐量。
2.
Adaptive Modulation and Coding (AMC) is one of the key technologies for High Speed Downlink Packet Access (HSDPA),and it can change the style of modulation and coding according to channel quality, thus reasonably using and allocating system resources.
自适应调制编码(AMC)是高速下行分组接入(HSDPA)的关键技术之一,它可以根据信道质量情况的改变调整调制与编码方式,从而合理地利用和分配系统资源。
3.
Adaptive modulation and coding is a key link adap ta tion technology to overcome the time variable in wireless channel The l ink adaptation technology includes adaptive transmit power control, adaptive mod ulation and coding, adaptive frame length control etc This paper introduces two adaptive modulation and coding and analysis their merits and disadvantage
自适应调制编码技术是克服无线信道的时变性的一种重要链路适应技术。
补充资料：自适应自整定调节
分子式：
CAS号：
性质：在调节系统中，对象的动态特性往往是变化的,如果变化不大或调节的质量要求不高时，可以采用固定规律的调节器，假若变化大，质量要求又高时，需要选择可变规律调节器。调节器参数的改变是直接按照对象特性的变化进行的，叫作自适应调节。对象的识别和调节器的规律的计算都用一个计算装置进行，就叫自适应自整定调节，或简称自整定调节。
CAS号：
性质：在调节系统中，对象的动态特性往往是变化的,如果变化不大或调节的质量要求不高时，可以采用固定规律的调节器，假若变化大，质量要求又高时，需要选择可变规律调节器。调节器参数的改变是直接按照对象特性的变化进行的，叫作自适应调节。对象的识别和调节器的规律的计算都用一个计算装置进行，就叫自适应自整定调节，或简称自整定调节。
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