differential modulation
英 [ˌdɪfəˈrenʃl ˌmɒdjʊˈleɪʃən]
美 [ˌdɪfəˈrenʃl ˌmɑdʒəˈleɪʃən]
网络 差分调制
双语例句
- Structure and performance of noncoherent receivers for differential space-time modulation in correlated time-varying fading channels
相关时变衰落信道中DSTM非相干接收机的结构与性能 - Adaptive Differential Pulse Code Modulation
自适应差分脉冲编码调制 - Multiuser MIMO block diagonalization system with differential unitary space-time modulation
多用户MIMO块对角化系统的差分酉空时调制 - The modulator, based on the digital controlled PWM technique, realizes the phase differential modulation of two channel output of identical frequency pulse signals;
前者利用数控脉宽调制方法对两路输出的同频脉冲信号进行相位差调制； - Differential Space-Time Modulation Technology Suitable for Fast Fading Channels
适用于快速衰落信道的差分空时调制技术 - The Application of Differential Pulse Modulation Circuit in Sensors of Resistance Strain Beam Type
差动脉冲调宽电路在剪切梁式电阻应变传感器中的应用 - Frequency Ambiguity Resolution Algorithm for OFDM Systems Based on Phase Differential Modulation between Adjacent Symbols
OFDM系统中基于符号间相位差分调制的频偏估计模糊度校正算法 - This paper introduces the way and programme of compressing a speech ADPCM code from 8 bit to 4 bit, by the technology of adaptive differential pulse modulation in speech waveform coding.
本文论述利用语音的波形编码技术中自适应差分脉码调制.将8位码的语音数据区缩成四位数据的方法和程序。 - That is what we called Differential Unitary Space-Time Modulation ( DUSTM).
之后，[14]提出了差分酉空时调制（DUSTM）方案，统一了信道状态已知和未知两种情况下的设计准则。 - Compared with the existing differential space-time modulation designs, our scheme imposes no restrictions on underlying signal constellation, and therefore can improve the spectral efficiency by exploiting efficient modulation techniques such as QAM, APSK etc.
与已有的差分空时调制方法相比，ADSTBC对信号星图无任何限制，因而可采用高效的调制技术（如QAM、APSK等）提高频谱效率。 - To improve the performance of differential communication, our researches focus on the differential modulation and differential detection.
本文以提高差分通信系统性能为目标，对无线通信系统中的差分调制和检测技术进行了系统而深入的研究。 - Adaptive Differential Pulse Code Modulation ( ADPCM) is an effective algorithm of speech coding. It adopts the method of adaptive quantization and adaptive prediction to compress pulse code modulation ( PCM) signal.
自适应差分脉冲编码调制（ADPCM）采用自适应量化方法和自适应预测方法，对PCM（脉冲编码调制）语音信号进行再压缩，是一种有效的语音信号波形编码压缩方案。 - The thesis presents a new differential modulation, Coherent Amplitude and Differential Phase Shift Key ( CADPSK).
本文提出了一种新的差分调制方式，我们称之为相干幅度差分相移键控（CADPSK）。 - An Inter-carrier Interference Cancellation Scheme for the OFDM System Based on the Differential Modulation
一种基于差分调制消除OFDM系统子载波间干扰的方法 - Differential Modulation Using Space-Time Trellis Codes
基于空时格形码的差分调制 - A Differential Space-Time Modulation Scheme with Reduced Receiver Complexity
一种降低接收机复杂度的差分空时调制方案 - A new scheme ( LDPC-DSTM) combining irregular low-density parity-check ( LDPC) code with differential space-time modulation ( DSTM) is used for coded modulation ( CM).
提出一种新的结合低密度校验码（LDPC）和差分空时调制（DSTM）的联合编码调制方案。 - A Novel Header Extraction for Optical Packet Switched Networks Using a Modified TOAD with Differential Modulation Scheme
一种基于改进TOAD结构的全光分组信头提取方案 - The effects of the channel bit error on the reconstructed images of the Differential Pulse Code Modulation ( DPCM) systems are analysed in this paper.
本文分析了信道误码对DPCM图象传输系统重建图象的影响。 - This paper also touches upon the features of differential modulation and demodulation.
分析阐述了差分调制与解调的特点。 - Differential space-time modulation scheme for rapidly time-varying MIMO fading channels
用于快时变MIMO衰落信道的一种差分空时调制技术 - Concatenated Turbo Codes with Space Time Block Codes and Differential M-PSK Modulation
级联的Turbo码和差分M-PSK调制的时-空分组码 - Relying on basis expansion model, this paper presents a differential space-time modulation method for flat rapidly fading channels.
利用基扩展模型，针对平坦快衰落信道提出了差分空时调制方法。 - Capitalizing on the basis expansion model ( BEM) for time-varying channels, a differential space-time modulation scheme was proposed for rapidly time-varying multiple-input multiple-output ( MIMO) flat fading channels.
针对快时变多输入多输出（MIMO）平坦衰落信道，利用时变信道的基扩展模型（BEM），提出了一种差分空时调制方案。 - Simultaneously, a theoretical analyses and research of the implementations of an Forward Error Correction ( FEC) sub-system and a Differential Pulse Position Modulation ( DPPM) sub-system are done in this paper.
同时本文对前向纠错（FEC）编码和差分脉冲位置调制（DPPM）子系统的实现做了详细理论分析研究。 - None linear distortion is avoided during signal processing. ( 3) Modulation and multiplexing module: this module consists of several sub-modules such as QPSK modulation, frequency interleaving, differential modulation and OFDM.
在信号处理过程中避免了由于削减信号数据位宽而导致非线性失真。（3）调制复用模块：包括QPSK调制、频率交织、差分运算以及OFDM等主要子模块。 - In the chapter four, the system of channel coding combined with differential modulation will be introduced.
本文的第四章主要是研究了信道编码结合差分调制系统。 - Also focusing on introducing a new proposed staggered differential phase modulation code ( SDPSK), and trying to introduce it into WDM-PON, discussing whether if this code with a variety of advantages can improve the performance of WDM-PON system or not.
也重点介绍了一种新提出来的交错差分相位调制码，将其引入WDM-PON中，设计实现SDPSK/OOK的再调制WDM-PON系统，讨论这种有着各种优势的调制格式能否提高系统性能。 - However, the differential modulation may make bit error rate doubled and generate additional SNR cost.
然而，差分调制会导致信号误码率加倍，产生额外的信噪比代价。 - 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）。