对MS K信号,分析了正交解调和差分解调算法。
Analyze the quadrature demodulation and difference demodulation algorithm of MSK signal.
本文主要研究适合短波跳频信号截获的FSK解调算法。
This paper is mainly on the FSK demodulation algorithms suitable for HF frequency hopping signal interception.
在载波频率已恢复的情况下给出了IQ正交分量的解调算法。
The demodulation algorithm for IQ components is given under condition that the carrier is recovered.
首先研究了AM和FM信号的解调算法,分析了其抗噪声性能。
Firstly, the demodulation algorithms for AM and FM signal and their anti-noise performance are analyzed.
本文主要研究和分析了基于处理转发器的QPS K解调算法。
This paper mainly researches and analyzes QPSK-demodulated algorithms based on processing transponders.
论文主要研究了调频收音机中RDS信号解调算法及其算法的进一步探讨。
The main target of this thesis is description the de-modulation algorithm of the RDS (Radio Data System) system in FM radio and further research in this topic.
调制解调算法在每一个软件无线电中发挥着核心的作用,并且直接影响到系统的性能。
Modulation Demodulation algorithm is the core of software radio and affects the system performance directly.
通过把图像分割和聚类分析方法应用于8fsk信号的频谱分析,提出了基于模式识别的解调算法。
Under the application of image segment and clustering analysis methods into 8fsk signal's spectrum analysis, a demodulation algorithm based on pattern recognition is proposed.
结果表明,文中提出的改进QPS K解调算法具有运算相对简便和低功耗的特点,更合适用于星上的解调系统。
The results show that because of its low computational complexity and low power consumption, the QPSK-demodulated algorithms in the paper is more suitable for on-board demodulation system.
虚拟无线电技术正在不断的蓬勃发展,该文提出了一种基于虚拟无线电思想的二进制差分相移键控信号软件解调算法。
The technology of virtual radio is developing rapidly, a new DPSK signal software demodulation algorithm is proposed based on virtual radio.
根据光纤法珀应变传感器的腔长DFT解调算法的原理,推导了对光谱数据作补零处理时的DFT腔长计算公式,并作了精度分析。
Based on the principle of DFT gap-demodulating method, the expression of gap in case of zero-padding on spectrum sequence was derived, and its accuracy was analyzed.
目前已经提出的一些数字开环解调算法在运算过程中时常会出现某些特殊相位点互相混淆的问题,这会导致系统输出错误的解调结果。
In the demodulation process of some digital open-loop algorithms, some special phase points will confuse with each other and cause an error output value.
在软件无线电平台上研究并实现了ASK、FSK、QPSK等方式的调制解调算法,并给出了调制解调的流程图和主要部分的程序。
Having realized the modulation and demodulation algorithm of ASK, FSK, QPSK on the software radio platform, and has provided the modulation and demodulation flow chart and the main part procedure.
提出了一种嵌入式系统设计方案及实现方法,主要通过ARM进行远程数据通信,通过DSP实现解调算法,并扩展了多种输出接口。
The design scheme and realization method of embedded system are presented. ARM was used to communicate data and DSP implemented phase demodulation, and it expanded several interfaces.
在讨论了系统结构及原理的基础上,提出了一种相位解调算法,用以解决系统对大扰动信号的定位问题,并用软件实现了信号的解调。
On the basis of the structure and principle of the system, a phase demodulation algorithm is proposed to determine the large disturbances.
在实际的硬件实验中,完成了2FSK调制解调的自环测试。 试验结果表明:在非实时解调的过程中,该调制解调算法具有较高的准确性,能够正确解调出发送的数据。
The experiment result demonstrates that in the non real time demodulating process, the 2FSK algorithm is able to demodulate the transmitted data with an upper veracity.
本文阐述了DTTL全数字符号定时恢复算法在8psk解调系统中的实现。
This paper presents the implement of the all-digital symbol timing recovery using the DTTL Algorithm over 8psk demodulation system.
文章基于多相滤波的数字正交变换技术,通过数学推导,提出了一种软件无线电中的数字化正交解调新算法。
Based on polyphase filtering technology for digital quadrature transform, this paper presents a new algorithm for digital quadrature demodulation in SR through mathematical derivation.
为了在自主研发设备的基础上,从软件算法上提高光纤光栅传感解调系统的精度,利用装有标准光纤光栅阵列的解调系统,提出一种动态曲线拟合方法。
A dynamic fitted curve algorithm is proposed to improve the precision of demodulation system of Bragg grating sensor, when only relative software needs to be changed.
采用常用的最小均方误差(LMS)自适应算法,研究了自适应解调方法对A SK信号的解调及其性能。
The demodulation and performance of adaptive demodulation method to ASK signals was studied by Least Mean Squares algorithm (LMS) in common use.
而TMS320C 5402则作为目标数字信号处理核心,在TI公司的CCS2.0软件开发平台上完成调制解调器的主要功能和算法。
Concretely, TMS320C5402 is selected to be the core processor, and all the main functions and algorithms of the MODEM. is realized on the platform of CCS2.0, provided by ti company.
通过Matlab仿真了调制解调过程,分析了三种功率谱估计算法对解调误码性能的影响。
By simulating the modulation process using MATLAB, the influence of different power spectrum estimation algorithm to the bit-error-rate performance of the demodulation technique is analyzed.
本文深入研究了美国推出的短波高速跳频CHESS电台的G函数算法,涉及到跳频图案、信息调制与解调等。
G function arithmetic of a HF high speed FH CHESS radio produced in U. S. is deeply studied in this paper, which involves FH pattern and the modulation and demodulation etc.
进行了FSK,MSK和GMSK调制解调的算法的研究,并在此基础上总结了部分数字信号调制的通用的算法。
It also studies the algorithms of FSK, MSK, GMSK modulation and demodulation mode, and summarizes the general the software modulation and demodulation algorithm.
详细介绍了用DSP实现2fsk调制解调的算法,并就解调中所应用的数字滤波器做了具体分析。
This paper introduces the realizations of 2fsk modulation and demodulation algorithm with the DSP and discusses the digital filter that is used in the demodulation algorithm in detail.
重点研究了基于离散短时傅里叶变换解调2FSK信号的方法,分析了几种码元同步算法和码元判决算法。
Secondly, a DSTFT(Discrete Short Time Fourier Transform )-based demodulation method for the 2FSK signal is studied and algorithms for symbol synchronization and symbol decision are analysed.
微分方程组数值解方法,包括调制,解调,信噪比计算,借鉴了主成分分析算法(PCA)。
Numerical solution of differential equations method, Includes the modulation, demodulation, signal to noise ratio calculation, it draws on principal component analysis algorithm (PCA).
微分方程组数值解方法,包括调制,解调,信噪比计算,借鉴了主成分分析算法(PCA)。
Numerical solution of differential equations method, Includes the modulation, demodulation, signal to noise ratio calculation, it draws on principal component analysis algorithm (PCA).
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