信号频率

色噪声下的信号频率估计：基于互高阶累积量的MUSIC方法

Signal Frequency Estimation in Colored Noise : Cross High-order Cumulant Based MUSIC Method

快速双正弦信号频率估计的FPGA实现

Fast Frequency Estimation of Dual Tones Implemented by FPGA

使用CycloneⅢFPGA及相关外围电路，实现了对高频信号频率的测量。

Achieved the measurement of high-frequency signal frequency by Cyclone ⅲ FPGA and related peripheral circuits .

采用相位推算法测量低频FSK信号频率

Measuring Frequency of Low FSK Signal Adapting Phase Deducted Method

Chirp信号频率估计

Frequency Estimation of Chirp Signals

采用小波变换的LDA信号频率测量

LDA 's Frequency Measurement Using Wavelet Transforms

基于现代谱估计的PSK信号频率估计方法

Methods of Frequency Estimation Based on Modern Spectral Estimation

首先，在匀速运动单阵元被动合成孔径模型的基础上分析了单阵元被动合成孔径所面临的信号频率和DOA的估计模糊问题。

Firstly , the ambiguity of frequency and DOA is analyzed based on the uniformly moving single sensor model of passive synthetic aperture .

特别针对流量参数的测量，提出了一种基于DFT的快速、精确的频率估计方法，实现了对传感器信号频率的估计。

A quick and exact method based on DFT carried out the estimate of input signal frequency , especially directs to the parameter measurement of the flux .

基于ZC序列的TDD-LTE同步信号频率校正研究

Study on the frequency offset correction of TDD-LTE synchronization signal based on ZC sequence

其次，利用Matlab仿真了输入信号频率、阵元个数、阵元间距以及输入信号的延迟等因素对线阵列扬声器指向性的波瓣宽度、旁瓣和方向的影响。

Secondly , we use Matlab to simulate the directive property of beam-width , side-lobe and beam-direction of linear loudspeaker arrays in different parameters such as the frequency of input signal , the number and distance between elements and the signal delay .

基于ASIC的方法与其他频率测量方法相比，MPU外围电路简单，能自适应输入信号频率的变化。

Compared with other frequency measurements , the method based on the ASIC makes use of simple periphery circuit around MPU and can self-adapts the variation of input signal frequency .

横向电阻（沿垂直于骨骼肌纤维方向）大于纵向电阻（沿骨骼肌纤维方向），而且受电流信号频率的影响较明显，尤其是在5￣100kHz范围内。

The transverse resistance was bigger than the longitudinal resistance , and was affected by the electric current signal frequency obviously .

本文介绍了用单片微处理机对10cm信标机的信号频率进行实时采集和处理的工作原理。

In this paper , with the help of microprocessor , acquisition and real-time processing of the signal frequency of the 10 cm beacon receiver is introduced .

通过数字测频算法，获取PCM/DPSK信号频率突变点，根据DPSK调制原理，实现PCM/DPSK信号的解调；

The method gets skip position of frequency by digital frequency measurement , thus realize the demodulation for PCM / DPSK signal according to the regulation of modulation of the signal .

所以显示板工作信号频率低于20kHz，不需要外部时钟脉冲信号和电容。

Therefore , the frequency of panel controlling signal is lower than 20 kHz , and no external clock signals and capacitors are needed .

论述了VISAR测速中信号频率与被测速度增量的关系和光电倍增管、数字示波器所能响应的最高速度增量。

The relation between signal frequency and measured velocity variation and the largest velocity variation , which can be responded by photomultiplier and digital oscilloscope in the VISAR application are discussed .

本文提出了一种实用测试方法，可在某一测试信号频率下同时测出湿敏元件简化等效电路中的电阻分量Rp和电容分量Cp，复阻抗模Zp可由计算得到。

This paper proposed a practical measuring method to determine simultaneously the resistance ( Rp ) and capacitance ( Cp ) of the cell at certain frequency of the testing signal . The modulus of the cell 's complex impedance ( | Zp | ) can be worked out spontaneously .

多滞后时刻四阶累积量的正弦信号频率估计

Frequency Estimation of Sine Signals Based on Multi-delay-time 4th Order Accumulation

杜芬振子阵列实现弱正弦信号频率检测

Weak Sinusoidal Signal Frequency Detection Via The Array Of Duffing Oscillators

小波变换和傅立叶变换在信号频率分析中的比较

Comparison of wavelet transform and Fourier transform in analyzing signal frequency

环境噪声对声信号频率辨别阈的影响

The effect of environmental noise on sound signal frequency discrimination

精确测量信号频率的一种简易方法

A Simple Method for the Accurately Measuring of Signal Frequency

基于高阶统计的欠采样多信号频率估计

Multiple Frequencies Estimation for Signal Sub-nyquist Sampling Based on High Order Statistics

一种准周期信号频率的精确递推算法

A Precision Recursive Algorithm For Quasi - pereodic Signal Frequency

精密低频信号频率与占空比测量电路的设计与应用

The measure circuit design for frequency and duty cycle of low-frequency signal

参考信号频率自调整的数字相敏检波器算法的研究

Study on the DPSD Algorithm Automatically Adjusting the Frequency of Reference Signal

任意几何结构阵列下的空间信号频率估计

Estimating frequencies of spatial signals for arbitrary geometry array

白噪声背景下正弦信号频率和功率估计的有效算法

An efficient algorithm for estimating frequencies and powers of sinusoids in white noise

高分辨率差分跳频信号频率检测

A High Resolution Frequency Estimation Algorithm for DFH Signal