differential coding
英 [ˌdɪfəˈrenʃl ˈkəʊdɪŋ]
美 [ˌdɪfəˈrenʃl ˈkoʊdɪŋ]
网络 差分编码; 差分编解码
双语例句
- Signal Constellation of Differential Unitary Space-time Coding by Multi-Transmitting Antenna
多发射天线的差分酉空时调制信号星座图 - The differential coding is performed in the time domain, while the space-frequency coding is processed in the frequency domain to achieve the diversity ga.
该方法在时域进行差分编码，而在频域进行空频编码以获得分集增益。 - For a QAM system embracing differential coding procedure, the proposed approach is capable of supplying stable and optimal synchronization information for subsequent demodulation without specially designed pilot signal.
对于包含差分编、译码的QAM系统，上述方法不需要专门设计同步头即可为正确解调提供稳定可靠的同步信息，非常适宜数字实现。 - The high quality differential coding CDMA ( diffCDMA) system with instantaneous phase that is new technology in communication field has been devised.
提出了一种带有瞬时位相调制技术的高性能差分型码分多址系统。 - Differential coding was utilized to solve error propagation problem introduced by the overlapped detection windows.
引入差分编码解决了重叠窗带来的误码传播问题。 - Kalman blind multiuser detection based on differential space-time block coding
基于差分空时分组码的卡尔曼盲多用户检测 - A novel COFDM scheme is proposed. It employs Turbo codes, OFDM modulation and differential coding technologies and is termed as Differential Turbo coded OFDM ( DT-OFDM).
提出了采用Turbo码的COFDM系统，它是将Turbo码与正交频分复用（OFDM）调制技术、差分编码技术相结合，称为差分Turbo-OFDM（DT-OFDM）。 - Differential Space-Frequency Coding Over Frequency-Selective Fading Channels
在频率选择性信道中的差分空频编码 - It combines the discrete wavelet transform, differential coding, binary reduction, order bit plane transmission and adaptive arithmetic coding.
该算法包含了小波变换、差异编码、二进制化简、有序数据平面传输及选择性代数编码等。 - The accumulation of differential coding error of motion vectors is reduced;
水印嵌入对差分编码运动矢量造成的误差累积减小； - This thesis studies several techniques in the framework of MIMO, including differential space-time coding, single-carrier frequency domain equalization, multi-user downlink precoding, and user scheduling.
本论文研究了MIMO系统中的差分空时编码技术、单载波频域均衡技术、多用户下行链路预编码技术以及用户调度技术。 - In this thesis, space-time block coding and differential space-time coding are discussed on the basis of one-ring correlated channel model.
本文基于一种单环相关信道模型，对空时分组码和差分空时码进行了分析和研究。 - Adaptive MOE Receiver for DS-CDMA Downlink with Space-time Block Differential Coding
基于差分空时分组码的DS-CDMA系统下行MOE自适应接收机 - The correcting capability of the quadriphase differential coding and decoding is also analysed in theory.
对四相差分编译码的校正能力作出了理论上的分析。 - An optimized compression algorithm for linear structure stripe image was discussed in this paper, which is Freeman differential chain code Huffman coding.
提出了一种适合于对线状结构的条形纹线二值图像进行压缩的最优化Freeman链码压缩算法&Freeman差分链码Huffman编码。 - Intra-frame Differential Coding for Speech Waveform in Time Domain
波形变换域语音波形的帧间差分编码 - The differential space-time block coding system with multiple co-channel users
差分空时编码系统中的多共道用户应用 - It shows that, by cascading a differential coding network, the optimization of a linear code ( block or convolutional) in its Hamming distance is the same as in the Euclidean distance of its modulated sequences.
指出在插入一个简单差分编码网络后，线性码的优化问题在汉明距离与在欧氏距离上是一致的，从而解决了线性码编码的MSK调制问题。 - STC technology can divide into: Layered space-time coding ( LSTC), space-time trellis code modulation ( ST-TCM), Unitary space-time coding ( USTC), differential space-time coding ( DSTC).
空时编码分为：分层空时编码、空时格型编码和酉空时编码、差分空时编码。 - Simulation results show that the concatenated system has better performance than unconcatenated differential space time coding under the same spectral efficiency and signal constellation.
仿真结果表明，在相同的频谱有效性和信号星座条件下，这种级连的系统比非级连差分空时编码系统有更好的性能。 - According to the characteristics of GPS data in static measurement, information source coding was carried out for the received GPS data collected from the observation spot with the help of the combination of eliminating redundancy of data, dictionary coding and differential Huffman coding method.
针对静态测量中GPS数据的特性，采用去除信息冗余度、局部字典编码和差分霍夫曼编码相结合的策略，对测点采集的GPS数据进行信源编码。 - For rapidly time-varying MIMO channels, a block differential space-time coding scheme is proposed by utilizing the basis expansion model ( BEM) for time-varying channels.
针对快时变MIMO信道，利用时变信道的基扩展模型，提出了一种块差分空时编码方法。 - According to the statistical rule of remote sensing information content, differential coding compression method is proposed.
依据遥感信息量统计规律，，提出了差分编码压缩方法。 - The proposal of District Forecast differential coding compression is brought forward.
并专门针对卫星遥感影像数据，提出了分区预测差分编码压缩的建议。 - In the fast moving environment, sometimes receiver cannot get channel state information accurately, but differential space-time coding technology may decode effectively in this condition.
空时编码是在发射分集的基础上发展起来的。在快速变化的环境中，接收端有时不能精确地获得信道状态信息，在这种条件下，差分空时编码技术可以实现有效地解码。 - Differential coding is attractive alternative channel coding method, when the channel estimation is difficult.
在信道估计困难时，差分编码是一种很好的解决方案。 - The thesis not only discusses the differential space-time block coding scheme that is suitable for the situation when the channel information is unknown but also stimulates for different numbers of transmitting antennas.
本文还分析了未知信道信息的情况下适用的差分空时分组编码方案，并针对不同的发射天线数进行了模拟仿真。 - So, the differential space-time coding which do not need the CSI at receiver and can be decoded by the adjacent receiver signals has been proposed.
由此产生了一种不需要CSI的差分空时编码，它利用两个相邻的接收信号矩阵进行差分解码。 - The fundamental research and the simulation result indicated that this corrective method can also obtain the high diversity gain and BER property under the frequency selectivity fading channel. Secondly, studied the differential space-time coding which circumvents the need for channel estimation.
理论研究和仿真结果均表明，该改进方法在频率选择性衰落信道下也能得到较高的分集增益和误比特率性能。其次研究了不需要信道估计的差分空时编译码方案。 - The transmitted matrices must satisfy some restriction for the procession of differential modulation ( e.g. for the differential unitary space-time coding, the transmit matrices must be unitary).
但要实现差分空时码的编码和解码，其编码矩阵则需要满足一定的约束条件（例如差分酉空时编码要求其传输矩阵是酉矩阵）。