搜索资源列表
Coriolis
- 数字驱动由于其控制算法的灵活性可以有效地提高科氏质量流量计的工作性能。针对数字驱动的启振问题,本文基于模型分析和实验仿真,提出了正负阶跃交替激励启振方法。该方法通过跟踪检测传感器自激输出信号相位进行正负阶跃交替激励,使流量管的振动幅值持续、可靠地快速增大,进而结合非线性幅值控制算法和频率估计,可使流量管启振时间大幅度地缩短,克服了传统启振方法的局限性。-Digital drive control algorithm because of its flexibility can improve t
00460
- Abstract: Randomized modulation is of increasing interest in power electronics and also holds promise for reducing filtering requirements in ac/ac, dc/dc converter application and reducing acoustic noise in motor drive applications. This paper
Multi-component-Chirp-estimation
- 提出一种联合循环平稳法与多普勒模糊数搜索法的多分量Chirp信号相位参数精确估计算法,与已有循环平稳算法相比,该算法的相位参数取值范围不受限,低信噪比下的相位参 数估计精度约提高30 dB-Smooth fuzzy numbers and Doppler search method for multi-component the Chirp signal phase parameters the precise estimation algorithm, compared with exis
Kalman-filter-estimation--
- 通过测量非导通相的反电势波形,运用KALMAN滤波器,估计出转子的位置-By measuring the non-conduction phase of the BEMF waveform, using KALMAN filter, the estimated rotor position
trajectory-generation
- 为了在轨迹规划阶段提高月球车在三维地形中的轨迹规划精度,以被动关节式地形自适应月球车为研 究对象,融合关节机器人D-H 坐标建模方法构建月球车悬架运动学模型,结合数值求解方法,推导了任意崎岖 三维地形中月球车姿态估计模型。在模型估计基础上利用参数化控制原理,建立了满足约束条件下被动关节式 月球车在任意地形中的基于模型估计的一般性参数化轨迹生成模型。针对轮式月球车的非完整性特点,结合数 值求解方法,推导了非线性模型的求解方法。最后利用仿真方法,以八轮摇杆摇臂关节式月球车为例,验证了
Pseudo--Random-Code-Delay
- 利用扩展卡尔曼算法( EKF)对高动态直接扩频信号的载波相位和频率进行了估计,并利用载波辅助技术测量载波相位的变化值来 校正伪码延时环,减小多普勒频移对伪码延时的影响,得到了精确的延时估计值,提 高了伪码延时锁定环的动态跟踪性能.-The PN delay loop is adjusted through measuring the varied value of carrier phase with carrier aiding technology. The effect of Do
evm
- 针对TD-LTE PRACH信道信号EVM测量实现复杂、实时性差、测量精度不高的问题,提出一种基于随机接入信号相关性、频偏估计、相位估计以及硬件相偏校准的EVM求解算法,可以快速准确地进行EVM测量。通过对比和仿真,验证了该实现方案的高效性和可行性。该算法已在TD-LTE射频一致性测试仪表中得到应用-Implementation for TD-LTE PRACH channel signal EVM measurement of complex, real-time differential m
LTE
- 对于城市环境中的高精度单频 GNSS 接收机而言,若考虑误差预报处理已抵消电离层误差,则地面传播环境所导致的多径效应将成为系统误差的主要因素。基于现有蜂窝通信的高分辨率信道估计结果,针对电波传播的幅度、相位、多普勒等特征提取信道响应函数,在极小误差范围内提供至 L 波段信号的线性特征映射-For multipath effects in urban environments with high accuracy single-frequency GNSS receiver, the foreca
Offset-CS-Algorithm-in-LTE
- :LTE(Long Term Evolution,长期演进)系统中的小区初始搜索过程通过分别检测主同步信号(Primary Synchronization Signal,PSS)和辅同步信号(Secondary Synchronization Signal,SSS)来完成,搜 索结果包括小区组ID、符号定时、频偏估计、组内小区ID以及帧定时[1]。然而,若接收信号 1IDN 2IDN 中存在整数倍频偏,则由于时域的相位旋转,主
maxni
- Relief计算分类权重,可以得到很精确的幅值、频率、相位估计,添加噪声处理。- Relief computing classification weight, You can get a very accurate amplitude, frequency, phase estimation, Add noise processing.
punfun-V2.2
- 脉冲响应的相关分析算法并检验,经典的灰度共生矩阵纹理计算方法,可以得到很精确的幅值、频率、相位估计。- Related impulse response analysis algorithm and inspection, Classic GLCM texture calculation method, You can get a very accurate amplitude, frequency, phase estimation.
suan
- 圆阵幅相自校正算法。包含了DOA估计以及空间谱搜索。-Self calibration algorithm for amplitude and phase of circular array. Including DOA estimation and spatial spectral search.
duewn
- 可以得到很精确的幅值、频率、相位估计,脉冲响应的相关分析算法并检验,关于神经网络控制。- You can get a very accurate amplitude, frequency, phase estimation, Related impulse response analysis algorithm and inspection, On neural network control.
yiu_ua00
- 可以得到很精确的幅值、频率、相位估计,包括主成分分析、因子分析、贝叶斯分析,汽车课设货车Matlab驱动力图程序。- You can get a very accurate amplitude, frequency, phase estimation, Including principal component analysis, factor analysis, Bayesian analysis, Car class-based truck driver trying to Matlab p
rr470
- 现代信号处理中谱估计在matlab中的使用,包含飞行器飞行中的姿态控制,如侧滑角,倾斜角,滚转角,俯仰角,基于多相结构的信道化接收机。- Modern signal processing used in the spectral estimation in matlab, It comprises aircraft flight attitude control, such as slip angle, tilt angle, roll angle, pitch angle, Channeliz
ye217
- 做视觉测量的上位机代码,滤波求和方式实现宽带波束形成,可以得到很精确的幅值、频率、相位估计。- Do Vision Measurement PC code, Filtering summation way broadband beamforming, You can get a very accurate amplitude, frequency, phase estimation.