A reduced power spectrum algorithm is designed simultaneously.
设计并验证了简化的功率谱密度估计算法流程。
Compared with the other spread spectrum algorithm, this one is more robust against the typical image processing attacks such as adding noise, filtering and JPEG compression.
水印对剪切、JPEG有损压缩、中值滤波、抵抗噪声干扰等常规图像处理手段比较其他的随机序列扩频算法具有更好的鲁棒性。
SSCA (Strip Spectral Correlation Algorithm) is widely used as a time-smoothed method for estimating cyclic spectrum.
分段谱相关算法(SSCA)是循环谱估计常用的一种时域平滑算法。
With modern spectral estimation algorithm, spectrum analysis on Doppler frequency caused by vehicles radar movement is carried out in DSP chip.
利用现代谱估计的算法,在DSP芯片中对检测车辆雷达运动产生的多普勒频率进行频谱分析。
Through research on cooperative game theory, a one to one matching game spectrum allocation algorithm which can be used in single carrier system is proposed in this paper.
在研究了合作博弈论的基础上提出了一种适用于单载波系统的一对一匹配博弈频谱分配算法。
Spectrum interpolation method is obtained by use of approximation interpolation, from algorithm comparison of discrete system matrix, and some useful results are obtained.
从离散系统状态转移矩阵的算法比较方面。借助逼近插值给出频谱插值法,结果较为实用。
In matching game spectrum allocation algorithm, spectrum allocation problem is abstracted to a two-sided matching market problem, assignment spectrum to user by using deferred acceptance algorithm.
在匹配博弈分配算法中,将频谱分配问题抽象成一个双边市场匹配问题,使用延迟接受算法将频谱分配给用户。
After analyzing the signals of the manifold pressure sensor, the sampling algorithm is received by the spectrum characteristics.
在深入分析汽油机进气压力传感器信号的基础上,基于频谱特性确定了信号采集算法。
This paper mainly discusses the speech enhancement algorithm based on the Minimum Mean Square Error (MMSE) estimation of speech short time spectrum.
本文主要讨论基于语音短时谱估计的语音增强算法。
For improving the precision of the frequency measure, presents a frequency measure algorithm by integrating automatic adjusting the sampling parameter and spectrum correction.
为提高频率测量精确度,提出一种自动调整采样参数与频谱校正相结合的频率测量算法。
Basic theory of spectrum analysis and Fast Fourier Transform (FFT) algorithm are briefly introduced.
简介了频谱分析的基础理论和快速傅利叶变换(FFT)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.
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。
In the end, the RSFPA algorithm is validated by using star spectrum data as experiment data.
最后,利用恒星光谱作为数据集,实验验证了RSFPA算法的正确性和有效性。
The paper presents a data flow distributing FCG algorithm, analyses the shape and parameters of ECG power spectrum, and gives a contrast example.
本文用数据分流fcg算法分析心电信号的功率谱图形的形状和参数并给出对照实例。
This paper proposes a frequency spectrum analysis method and a fast algorithm on the interpolation signal with equal samples interval.
本文提出了等间隔加密信号的频谱分析方法和计算加密信号的快速算法。
Simulation results show that this algorithm demonstrates better performance than modified spectrum subtraction algorithm both in thee nvironment of white or colored noise.
实验表明,算法对于有色噪声干扰下的语音信号有较好的增强效果,并且性能优于改进减谱法。
The basic principle of some spatial spectrum estimation algorithm such as MUSIC, ESPRIT was described at the beginning, and their performance was analyzed and compared.
本文首先介绍了MUSIC,ESPRIT等经典空间谱估计算法的基本原理,并进行了性能分析和比较。
Based on the cross-power spectrum estimation, the algorithm has the advantages of lower complexity and better precision over wide frequency band.
该算法基于互功率谱估计,具有算法复杂度低、精确度高、适用频率范围广等优点。
Aiming at the security and credibility requirement of power protection equipment, power spectrum estimate algorithm which based on multiple orthonormal tapers is researched and modified in this paper.
针对电力保护设备的安全性和可信赖性指标要求,研究了基于多正交窗分析的功率谱估计算法,并从计算量的角度出发对算法进行了改进。
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.
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。
To solve the above problem, two spectrum allocation algorithms, which included spectrum allocation algorithm based on user requirement and joint proportional fairness algorithm, were proposed.
为解决上述问题,提出基于需求以及联合比例公平两种频谱分配算法,这两种算法均将用户需求作为频谱分配时需要考虑的因素。
What this paper tells of, analyzes and summarizes is some common detection model and spectrum estimation algorithm based on the interference temperature.
文章介绍了常用的基于干扰温度的探测模型以及频谱估计算法,进行了分析与总结,并且提出了目前频谱探测技术的不足之处。
The second part is the third chapter, which explains the PN code adopted by spreading spectrum in this system and the power testing algorithm.
第二部分为第三章主要从软件算法实现方面进行阐述,该部分包括系统扩频码选取及不同长度扩频码性能比较分析和功率检测算法。
An algorithm for the suppression of narrowband interference in the direct sequence spread-spectrum (DSSS) systems is presented.
提出了直接序列扩频通信系统中抑制窄带干扰的一种算法。
This article takes the spectrum allocation algorithm as the object of study. Firstly, introduce the background, present situation and applications of cognitive radio and so on.
本课题以频谱分配算法为研究对象,首先对认知无线电的研究背景、现状以及应用等知识做了简要介绍。
Experimental results demonstrate that the proposed algorithm is more tamper resistant than general spread spectrum watermark algorithm and the false detection rate is decreased considerably.
实验表明,该算法有效降低了检测错误的概率,显著地提高了扩频水印的抗攻击能力。
Being different from applying the window with better spectrum characteristic to reduce the long-range leakage, a new method, named multi-spectrum-line interpolation correction algorithm MICA.
据此,不同于以往应用性能较好的窗函数来减小长范围泄漏效应的作法,提出一种能同时修正长、短范围泄漏的多谱线插值新算法。
First, it introduces the principle and algorithm of frequency spectrum analysis.
首先讲述了频谱分析的原理以及实现的算法。
Simulation results demonstrate that the proposed algorithm is effective to improve the spectrum utilization and increase system throughput by multiple allocation.
数值仿真结果表明,该算法通过多次分配有效地提高了频谱的利用率,增加了系统的吞吐量。
Simulation results demonstrate that the proposed algorithm is effective to improve the spectrum utilization and increase system throughput by multiple allocation.
数值仿真结果表明,该算法通过多次分配有效地提高了频谱的利用率,增加了系统的吞吐量。
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