digital modulation
英 [ˈdɪdʒɪtl ˌmɒdjʊˈleɪʃən]
美 [ˈdɪdʒɪtl ˌmɑdʒəˈleɪʃən]
数字调制
双语例句
- Aiming at the spectrum spread problem of traditional digital modulation signals, a time-phase modulation ( TPM) method with abrupt phase change characteristic is proposed.
针对传统数字调制信号频谱扩展问题，提出具有相位突变特性的时相调制（TPM）方式。 - Automatic Recognition for Digital Modulation Signals at Low SNR Situations
低信噪比下数字调制信号的自动识别 - A new digital modulation recognition method based on instantaneous information is proposed for the application under the low signal-to-noise ratio ( SNR).
针对数字调制识别在低信噪比下的应用，提出一种新的基于瞬时信息的调制识别算法。 - The Design of Digital Modulation Transmitter Based on FPGA
基于FPGA的数字调频发射机设计 - New algorithm for digital modulation recognition under low SNR
一种新的低信噪比下的数字调制识别方法 - Automatic digital modulation classification algorithm based on novel combined feature vector
基于联合特征向量的自动数字调制识别算法 - Realization of Digital Modulation Based on DSP Builder
基于DSPBUILDER的多种数字调制的实现 - A classification method based on Support Vector Machine ( SVM) is given in the digital modulation signal classification.
给出了一种基于支持向量机的数字调制信号分类器设计方法。 - Spectrum line based modulation classification for constant modulus digital modulation signals
基于谱线特征的恒包络数字调制方式识别方法 - The Research and Realization on Digital Modulation of Software Radio Based on DSP Technology
基于DSP的软件无线电的数字调制技术研究与实现 - A Method for Channel Estimation and Digital Modulation Identification Based on Higher-Order Cumulants
基于高阶累积量的信道估计及数字调制识别方法 - Digital modulation recognition has found important applications both in military and civil, while the feature extraction is the preliminary step for digital modulation recognition.
通信信号调制识别技术在军事和民用领域都具有重要的应用前景，而特征参数的提取是调制方式识别的首要问题。 - Identification of Digital Modulation Signals Based on Cyclic Spectral Density and Statistical Parameters
利用循环谱和参数统计的数字调制信号识别 - To the90's, a complex digital modulation with the rapid development of communication technology, testing signal mainly based digital modulation signals.
到了90年代，复杂的数字调制加上通信技术的迅猛发展，测试信号主要以数字调制信号为主。 - Automatic recognition of digital modulation schemes ( ARDMS) is substantial to communication signals analyzing and processing.
数字信号调制模式的自动识别是无线通信中信号分析和处理的关键步骤之一。 - OFDM is a multi-carrier digital modulation technique suitable for broadband systems.
OFDM技术是一种适用于宽带系统的多载波数字调制技术。 - This paper proposed a digital modulation signal identification method using the HHT and SVM methods.
提出了一种基于HHT和支持向量机的实际数字调制信号识别算法。 - Application of DDS in Digital Modulation
DDS在数字调制系统中的应用 - In this project, the writer developed a digital modulation and demodulation system, which based on the MSK modulation.
在本设计中，笔者开发了以MSK调制方式为基础的一套数字调制解调系统。 - Firstly, this paper introduces the principle of digital modulation and digital demodulation simply, as well as the method and the principia of measuring digital modulation signal.
本文首先简单介绍了数字调制和数字解调原理和技术，介绍了数字调制信号的测量方法和原则。 - The π/ 4QPSK. digital modulation and demodulation algorithm and the digital modulation and demodulation system were simulated and validated using the software MATLAB and System View.
本文利用MATLAB和SYSTEMVIEW对选用的π/4QPSK数字调制解调算法和整个数字调制解调系统进行了仿真验证。 - Digital television transmission system based on the OFDM consists of Error correction processing and digital modulation parts etc.
基于OFDM的数字电视传输系统由纠错处理和数字调制等组成。 - M-ary phase shift keying ( MPSK) is a popular digital modulation technique in digital communication.
相移键控MPSK调制技术是数字通信中常用的调制技术。 - With the rapid development of digital communication, a variety of digital modulation methods are continuously improving and developing.
随着数字通信的迅速发展，各种数字调制方式也在不断的改进和发展。 - This paper discusses the process of digital modulation signals detection and demodulation, which base on DSP and CPLD.
详细论述了基于DSP和CPLD的数字调制信号的识别和解调过程。 - In software design, it is divided into logic control and digital modulation algorithm in two parts.
在软件设计方面，本设计分为整体逻辑控制和数字调制算法实现两部分。 - In this paper, a complete application example design is provided, which uses the full MSK digital modulation and demodulation method based on FPGA.
本文提供了一个完整的应用设计实例，采用了全数字化调制解调方法，基于FPGA系统设计出了全数字MSK调制解调器。 - Digital modulation and demodulation techniques are important parts of air interface standards in 3G mobile communication systems.
数字调制解调技术是3G移动通信系统中空中接口标准的重要组成部分。 - In wireless communication, the digital modulation and demodulation is a key technology.
在无线通信中，数字调制与解调技术是一项关键技术，他的好坏直接决定了通信系统的好坏。 - Introduced the demand of modulation technologies for mobile communication system, and then analyze the modern digital modulation characteristics, the principle of QAM modulation and demodulation, the main parameters and the modulation signal constellation diagram of the distribution structure.
介绍了移动通信系统对调制技术的要求，分析了现代数字调制技术的特点，详细分析了QAM调制解调的原理、主要参数和调制信号星座图的分布结构。