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- Fast Frequency Estimation of Single Pulse Carrier 单个脉冲载波频率的快速估计
- Fast Frequency Estimation of Single Tone 正弦波频率快速估计方法
- fast frequency estimation 快速测频
- Fast frequency hopping avoids interference. 快速跳频避免干扰。
- The Cram?r Rao Bound (CRB) for the frequency estimation from Laser Doppler Anemometer (LDA) measurements is derived. 本文推导了激光多普勒测速 (LDA)频率估计的Cram r Rao下限。
- Frequency estimation is one of the key techniques in a DFH communication system. 跳变频率检测是实现DFH的关键技术之一。
- The sinusoid frequency estimation algorithms for all phase spectrum analysis are studied. 摘要研究了应用于全相位频谱分析的正弦波频率估计算法。
- The fast frequency synthesizer used in the CNI system is discussed in this thesis. 本课题对该系统所需的快速跳 频频率合成器进行了初步的研究。
- By using a Bayesian maximum likelihood(BML) technique, a high-resolution algorithm is discussed for direction-of-arrival(DOA) and frequency estimation. 根据贝叶斯最大后验估计原理，研究了波达方向及频率估计的超分辨方法，提出了多目标波达方向及频率估计的快速算法；
- A power spectrum compensating algorithm is presented for frequency estimation of single sinusoids in colored noise at low SNR. 摘要针对色噪声条件下的低信噪比单音信号频率估计问题，提出了一种色噪声功率谱补偿算法。
- This algorithm not only is computationally simple and can provide supperresolution frequency estimation, but also is robust to mismodeling errors. 该算法不仅计算简单并可获得较高的频率分辩率,而且对信号模型具有较强的鲁棒性。
- Fast frequency hopping avoids interference Adaptive output power minimizes interference Short data packets maximize capacity during interference. 快速跳频避免干扰可变的电源输出使干扰减小到最小采用短数据包传输增强抗干扰能力。
- This paper focuses on the research of the frequency estimation of DFH signal in (colored) Gaussian noise by using ARMA-based method with fourth-order cumulants. 本文利用四阶累积量研究了(色)高斯噪声下基于ARMA建模法的DFH信号频率检测,并针对由于模型阶数估计过高而产生的虚检频率,提出一种充分利用信号先验信息的改进算法。
- Meanwhile, synchronization is also the difficulty of the development of FH system, which needs supplicated design especially in the fast frequency hopping(FFH). 同时跳频同步也是跳频通信系统开发的难点,特别在高跳速工作时实现同步捕获和跟踪需要精心设计方案。
- The performance of Turbo coded optical fast frequency hopping CDMA network(FFH OCDMA) using binary PPM modulation(BPPM) was analyzed. 在不考虑噪声和仅考虑散粒噪声两种情况下 ;分析了 Turbo码对二进制脉冲位置调制( BPPM)的快跳频光码分多址 ( FFH OCDMA)系统性能的影响 ;并对该系统进行了数值模拟 .
- It is excellent in frequency accuracy, frequency stability, frequency resolution, fast frequency switching speed and multiple modulated types. 该信号发生器具有输出频率准确、频率稳定度高、频率分辨率高、频率转换速度快、产生调制信号种类多和杂散抑制良好等特点。
- A new chaotic spread spectrum communication system FFH-FMDCSK is presented, which is based on FMDCSK and fast frequency hopping techniques. 本文提出一种基于差分混沌频率调制(FMDCSK)的快速跳频扩谱通信系统(简称FFH-FMDCSK)。
- FFH-OFDM combines fast frequency hopping (FFH) with regular OFDM symbols, and it shows better performance in anti-fading of time-varying multi-path. 摘要快速跳频正交频分复用(FFH-OFDM)在常规的OFDM符号中加入快速跳频预编码矩阵(FFH)，使其在多径时变的衰落环境下具有良好的抗衰落性能。
