提出了一种数字FIR速度滤波器以及数字PID速度控制器的实现机制,分析了各控制系统的功能及结果。
A digital FIR speed filter and a digital PID speed controller are designed. The performance and results of the system are analyzed.
积分时间和滤波器的量值等因素会影响仪器总的测量速度。
Certain actors such as integration period and the amount of filtering may affect overall instrument measurement speed.
这种新的结构与传统的查表结构自适应滤波器相比,具有复盖较长时延的信号响应和收敛速度快的特点。
Compared with the traditional lookup table adaptive filter, the new configuration can synthesize a signal response with a long time delay and has the characteristic of fast convergence speed.
利用本算法构造CL多小波前置滤波器的实验结果表明,本算法不仅计算速度快,而且稳定性也得到了显著提高。
The results of the experiment using this arithmetic to construct CL multi-wavelet pre-filter show that not only the compute speed is fast, but also the stability is remarkable improved.
该方法将主惯导数据测量延迟时间扩展为卡尔曼滤波器的一个状态变量,并同时考虑了测量延迟时间对速度和姿态测量量的影响。
The method augments the measurement delay as a state of conventional Kalman filter as a state, and impacts on both velocity and attitude measurements owing to the time delay are also considered.
该滤波器与通常的声光可调滤波器相比,带宽更窄,调谐速度更快。
Compared with conventional tunable acoustic-optic filters the present filter offers more narrow bandwidth and faster tuning speed.
并针对点钞速度给出了信号提取滤波器通频带的计算方法,以及在带内分离强干扰的实用电路。
In the paper, the calculating method of signal extraction filter pass-band according to the paper-counting speed and the utility circuit of separating strong interference in pass-band are given.
本文详细介绍了以下几个方面:线性调频信号的波形、匹配滤波器、模糊函数、速度分辨力、距离分辨力及抗干扰能力;
This paper gives a detailed account of the waveform, matched-filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti-interference of the Chirp signal.
为了提高系统图像处理速度,利用卡尔曼滤波器对跟踪的特征点进行预测,并用窗口处理技术减小图像处理区域。
In order to improve the speed of image processing, the Kalman filter is used to predict the next place of tracked point.
通过使用带低通滤波器的前置放大器降低了读出噪音,研究了读出噪音与读出速度的关系。
The CCD signal preamp with low pass filter is used to minimize the readout noise. The relationship between the readout noise and the readout speed is researched.
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统,以实现高性能高速度的功率因数校正。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
在分析系统特性的基础上设计以某一速度为基准的、ITAE性能指标最优的固定增益鲁棒pid控制器和前置滤波器。
Based on the analysis on system characteristics, a robust fixed gain PID controller and prefilter with optimum ITAE performance indicator are designed for a base speed.
该检测器通过两个滤波器分别控制检测器的收敛速度和稳态性,并在最小均方误差的准则下调整权值比例。
The convergence speed and misadjustment can be controlled separately using a complementary pair filters. And under the criterion of the least mean square error, the proportion of weight is adjusted.
在滤波器设计中,特别是实时信号处理场合,有时对滤波器的性能要求并不高,但对处理速度要求高。
In the design of filter, especially for the real time signal processing, the demand on the filter performance is not as high as that on the filter velocity.
这种滤波器结构简单、插损小、易于控制、可调范围宽、响应速度快以及重复性好。
This kind of filter keeps a lot of merits such as compact structure, small insert loss, fine controllability, wide adjusting range, rapid response rate, good repetitiveness and so on.
本文针对无速度传感器异步电机矢量控制系统,提出了一个基于卡尔曼滤波器的异步电机速度辨识方法。
For a vector control of a speed sensor less induction motor drive system, a novel speed estimated method using an extended Kalman filter is proposed.
相对于基于堆栈滤波器边界检测法,该方法对堆栈滤波器的优化训练速度大大提高,所需内存大为减少;
Contrast to the stack filter based edge detection. the proposed method gainis higher speed, uses less memory for optimal training of stack filter.
巴斯过滤器是每倍频程滤波器,最大限度地减少低音能量以同样的速度逐步建立一个简单而优雅分贝的喇叭指示能量向更广泛的角度。
The Bass Filter is a simple and graceful 6dB per octave filter that cuts the bass energy progressively at the same rate as the loudspeaker directs energy to a wider angle.
其次对位置环的控制进行了改进,将位置前馈改进为速度前馈和加速度前馈,并在前向通路中增加了一个数字阶式滤波器组成复合运动控制器。
Secondly, the control of position loop was improved by using compound control with velocity and acceleration feed-forward control and digital notch filter control in feeding servo system.
设计了针对空间非合作目标对接段的滤波器,能够提供对接段相对位置、速度、姿态角及角速率估计信息。
A filter design for rendezvous and docking with non-cooperative target was also given which can provide estimation information of relative position, velocity, attitude Angle and angular rate.
设计了针对空间非合作目标对接段的滤波器,能够提供对接段相对位置、速度、姿态角及角速率估计信息。
A navigation filer design is provided for final docking phase to provide estimated information of relative position and velocity and Angle and angle-rate.
该滤波器能够有效滤除海浪杂波的干扰,获得高质量的高度信号和垂向速度信号。
With the estimation of the zero drift of accelerometer, the precision of the vertical velocity and height can be improved and the measurement of the acceleration can be got without zero drift.
本文研究设计了适于MEMS电容加速度传感器读出电路的低通滤波器。
This paper is to research and design the low-pass filter of the MEMS capacitive accelerometer sensor readout circuit.
为了验证理论分析,设计了射频调制法测试介质膜滤波器群速度延时的实验装置。
To validate the theoretical analysis, a test system for group velocity delay was set up based on RF modulation.
根据匹配滤波器输出峰值位置可以获得目标距离的估计,但运动目标径向速度造成的回波和样本失配将导致匹配滤波器检测性能下降。
But the mismatch between echo and replica caused by moving target's radial velocity will degrade the detecting performance of the matched filter.
在时滞滤波器的设计中全面考虑系统的零极点,可以大大提高系统的响应速度。
By considering all the poles and zeros of the system the system response can be quicken up.
滤波器参数对视线角加速度估计的消噪噪声和制导精度提高作用明显,一般宜采用低阻尼比的二阶低通滤波器。
The estimator parameters selected properly was benefit to the reducing of the noise and error. In general, the damp ratio of the second-order low-pass output filter should be small.
并采用一种前馈型的时滞滤波器技术,对加速度控制信号进行滤波来有效地控制抓斗的摆角。
A time delay filter technique is applied to shape the acceleration control signal, thus prevents the swing grab.
本文基于NGMIMU九加速度计配置方案,利用卡尔曼滤波器抑制误差的累积,并且推导了卡尔曼滤波器的状态方程和预防方程。
To alleviate the accumulation error, a Kalman-filtering approach based on a nine-accelerometer configuration of NGMIMU is proposed. The state equation and estimation equation are also deduced.
介绍了速度信号滤波器硬件电路的设计,分析了其工作原理、响应特性和参数选取原则等,给出了微机控制中速度信号处理的软件实现方法。
The working principle, response characteristics and parameter selection rules, etc. are analysed. The software realizing method for speed signal processing in computer control is given out.
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