To estimate carrier frequency of digitally modulated signal whose modulation type is unknown, a carrier frequency estimation method for digitally modulated signal is proposed.
针对未知调制类型情况下数字调制信号的载波频率估计问题，提出了一种适用于数字调制信号的载波频率估计方法。
Research results show that vortex frequency estimation method based on HHT can estimate vortex signal frequency accurately, and increase the antiinterference ability of the vortex flow meter.
研究结果表明，基于HHT的涡街频率估计方法，可以精确估计涡街信号频率并提高涡街流量计的抗干扰能力。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
A novel symbol synchronization and carrier frequency offset estimation method is presented for 39-tone OFDM systems.
针对短波39音OFDM系统，提出了一种新型的符号同步和载波频偏估计方法。
The method consists of real-time estimation of signal frequency, synchronous tracking of sampling frequency and error correction of harmonic coefficients.
该方法包括信号频率实时估计、采样频率同步跟踪和谐波系数误差校正几个要素。
Based on uniform circular array and its elements output signal delay, a novel method for estimation of spatial frequency, azimuth and elevation is presented.
本文基于圆阵列及其输出时延提出了一种空间信号频率、方位角和仰角的联合参数估计新方法。
A joint blind estimation method based on spectrum overlap for uplink interleaved orthogonal frequency division multiple access carrier frequency offset and timing synchronization is proposed.
提出了一种基于功率谱叠加的交织正交频分多址系统上行链路载波频偏和定时同步联合估计算法。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用(OFDM)系统。
S-wave inverse quality factor is related to the shear-modulus versus frequency dispersion, which can be used to develop method for estimation of S-wave attenuation.
横波品质因子的倒数与剪切模量一频散有关，由此可以建立横波衰减的估算方法。
Aiming at the phase ambiguity of the blind channel estimation in frequency domain, a blind channel estimation method in frequency domain based on dissymmetrical modulation constellation was proposed.
针对频域信道盲估计的相位模糊问题，提出了基于非对称调制星座的频域信道盲估计方法。
It's proved by theory and emulation that this spectrum estimation method has a better frequency resolution and a higher estimation accuracy than that of FFT under the condition of short data signal.
理论和仿真结果都证明，在短数据信号情况下，这种谱估计方法其频率分辨率和估计精度都要高于FF T方法。
Based on the analysis, a new method to detect carrier frequency of FSK signal named time-domain joint and modern power spectrum estimation is put forward.
对电力远动通道FSK信号进行了时域和频域分析，在此基础上提出了一种新的FSK信号载波频率测量方法—时域拼接结合现代功率谱估计的方法。
This dissertation analyses the estimation of steady state frequency method based on the calculating of real-time dynamic power flow.
本文分析了基于实时动态潮流计算的预测电力系统的稳态频率的方法。
The effect of Signal-Noise-Ration (SNR) to the estimation of Doppler central frequency has been studied using theoretical method and simulation technique, and results are given in curves.
该文从理论和仿真两个角度研究了信噪比对多普勒中心频率估计的影响，给出了多普勒中心频率和信噪比的理论及仿真关系曲线。
A more precise estimation method of the Zero Doppler Time has been improved, and the frequency synchronization is achieved.
文章改进了零多普勒时间的估计方法，提高了其估计精度，从而较好地实现了频率同步。
A combined channel estimation method of time-frequency-selective fading channels in MIMO-OFDM systems was proposed.
提出了一种适用于时间频率选择性衰落信道的MIMO - OFDM系统的组合信道估计方法。
An estimation method of direction of arrival (DoA) and Doppler frequency for signals in the presence of array errors is proposed.
在均匀线阵存在误差的情况下，提出了一种信号波达方向和多普勒频率的估计方法。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上，提出了一种高耦合系数条件下径向速度估计的新方法。
A cost function is presented, and by applying Gaussian-Newton type recursive prediction error based method, a stable and efficient online frequency estimation algorithm is derived.
在此基础上，建立了最小方差损失函数，并结合高斯·牛顿预测误差方法，提出了稳定的，高性能的，在线的复频率直接估计算法。
Based on characteristics of the proposed pilot, an improved frequency domain least squares channel estimation method is proposed.
根据该导频的特性，提出了一种改进的频域最小二乘信道估计算法。
Finally, it makes the asymmetric estimation with high-frequency data in a specific period, using the method of realized volatility and the line model.
最后，在一个具体的时间段采用高频数据对不对称性作出估计，我们应用已实现波动率的方法并用线形模型做出了估计。
The MIMO-OFDM channel estimation method is researched based on the system design, and a space-frequency domain optimal pilot-tones design algorithm is presented.
从系统设计角度研究了MIMO-OFDM系统的信道估计方法，提出一种基于空频域的最优导频设计算法。
To aim at the actual application of electronic countermeasures, a method for the hop rate accurate estimation is proposed for the frequency hopping (FH) signals.
针对电子对抗的实际应用，提出了一种精确估计跳频信号跳速的方法。
For the problem of the parameter estimation of multi-component chirp signal in the additive colored noise, a method based on phase difference and time-frequency signal filter was proposed.
针对加性色噪声背景下的多分量线性调频信号参量估计问题，提出了基于相位差分的时频子空间方法。
When frequency sweeping method being used properly for measuring amplitude-frequency characteristics, the analysis and estimation of errors in measurement results could be avoided.
正确使用扫频法测量幅频特性，可以避免大量测量结果中误差的分析与估算。
A new blind frequency offset estimation method based on cyclic prefix and virtual subcarriers in coherent optical orthogonal frequency division multiplexing (CO-OFDM) system is presented.
在相干光正交频分复用系统中，本文提出了一种新型的基于循环前缀和虚载波的盲频偏估计方法。
It presents a new method of DOA estimation in time-frequency domain, via establishing the STFD matrix and combining the traditional methods of array.
通过构建空间时频分布矩阵，和传统的阵列信号处理方法相结合，从而得到一种新的时频域的波达方向估计方法。
Simulations demonstrate that this method provides an accurate estimation of nonlinear residual frequency errors with high computation efficiency. An experimental result was also given.
仿真试验表明，该方法能够精确地估计调频非线性剩余频差，具有较高的运算效率，并给出了一个实际试验结果。
On the basis of signal phase matching principle and the method of least squares of parameter estimation, a method for single-frequency signal detection is presented in this paper.
根据信号相位匹配原理及其信号参数的最小二乘估计方法，提出了一种单频信号检测方法。
The iterative method of frequency estimation based on multi-channels, with high estimation precision, low SNR threshold, is easy to implement with hardware.
多通道迭代的测频算法，具有测频精度高，测频信噪比门限低，具有易于硬件实现的特点。
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