The problems in the broadband return systems CATV networks are return noise and error code radio.
在CATV宽带网络反向传输通道的设计中比较突出的问题是反向噪声的积累和数据传输的误码率。
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.
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。
To filter out the noise and error arising out of various physical measurement processes and limitations of the acquisition technology, a Gaussian weight is assigned to each point acquired.
首先,为了去除测量产生的噪声和误差,引入高斯核函数为每个采样点加权;
The resulting limit, given in units of bits per second, is the absolute maximum rate of error-free communication given signal strength and noise level.
在给定信号强度和噪声水平的情况下,以比特每秒为单位给出的最终限制是无差错通信的最大绝对速率。
The medium vibration during solving process is a noise rather than a more real simulation to medium mechanical behavior and could cause calculation error for elastoplastic medium.
求解过程中的介质振动,是一种噪音,可引起弹塑性介质计算结果误差,而弹性介质的计算结果几乎不受影响。
These error sources include offset voltages, noise and common-mode current, and reversal errors.
这些误差来源包括偏置电压、噪声和共模电流以及反向误差。
Threshold of word length, sliding template, and double threshold of error are applied to minimize influence of environmental noise.
在识别算法中采用字长阈值法、滑动模板法和误差双阈值法来减小环境噪声的影响。
The smooth operator is inferred based on the Optimal Discrete Filter's theory, which can reduce the influence of noise, false edges and image error.
在最优滤波器理论基础上,推导出离散域的最优平滑算子,抑制了图像的分割错误、噪声和伪边缘的影响。
The estimations of model parameter, model error and noise error are given.
文中给出了模型参数、模型误差和噪声误差的估计。
This paper discussed the error in the measurement of noise figure—The method of Y factor , The error is caused by mismatch of RF attenuater and IF attenuater and the others in the measurement system.
本文讨论了常用的噪声系数测试方法—Y因子法中高频及中频衰减器本身失配和测试系统中其它部分的影响所造成的测试误差。
There are many kinds of image fusion methods, such as information entropy, mutual information, mean square error, peak signal to noise ratio and mean grads.
医学图像融合的效果评价方法有很多,如信息熵、互信息、均方值、峰值信噪比和平均梯度等。
It obtains low average mean squared error (MSE), fast convergence velocity and decreases the noise sensitivity at the same time.
该方法计算简单、均方误差小、收敛速度快,并且降低了算法对噪声的敏感性。
Using this technique, digital weight and digital system error modification for noise octave analyzer can be realized by software.
利用这一方法,可以以软件方式完成噪声倍频程分析的数字计权处理,并且能够实现系统误差修正。
This article is concentrated on data processing, mainly including spectrum estimation and error compensation, and system software developing which applied in a kind of phase noise measurement system.
本文重点介绍了应用于一种相噪测试系统中的频谱估计及误差校正等数据处理方法,以及该系统相噪测试主机系统软件的研制。
Result computerized control technique, Improving the stability and controllable - ability of traction, and decrease the traction error and working noise.
结果使本设计的牵引床牵引力的平稳性和可控制性显著增强,并减少了牵引力误差和工作噪声。
Extend the expressions of the minimum mean squared error bounds of the references, and give the relations of the minimum mean squared error bounds of pose Angle and noise standard deviation.
对文献中已给的目标方位角的最小均方误差表达式进行了推导,并且给出了方位角的最小均方误差和噪声偏差之间的关系。
Error propagation caused by noise can be avoided by precoding the data at the transmitter prior to modulation and decoding operation of received signals.
在调制信号前采用数据预编码,对接收信号进行相应译码,以消除信道中噪声引起的差错传播。
It provides example for error analysis and modification of virtual instrument system. It discusses the error analysis and modification of virtual noise analyzer and virtual ECG analyzer.
虚拟仪器系统的误差分析和修正方法的案例研究:讨论了虚拟式噪声分析仪、虚拟式心电分析仪的误差分析和修正。
The error analysis shows that the measurement error is caused by the noise of the accelerometer, discrete double integration, noise of beacon and frequency characteristic error.
对线加速度计辅助惯性姿态角测量的误差分析表明,测量误差由加速度计噪声、二次积分离散化、信标噪声和加速度计频率特性误差组成。
This paper proposes a method so that each of the navigation track error, speed error and heading error can be equivalent as an additive measurement noise.
本文提出了把航迹、航速和航向误差等效为附加的测量噪声的方法。
Smooth order amplitude variance was expressed by using state equation, and measurement error and noise were expressed by adopting observed equation.
状态方程表示了阶比幅值的平滑变化,观测方程表示了测量误差和噪声。
However, nonlinearity of the responsibility and noise result in the nonuniformity error.
然而由于响应率的非线性和噪声等原因两点线性校正后仍然存在误差。
The error factors such as intensity distortion, noise and geometry distortion will affect matching performance, so the paper gives the opposite processing methods.
灰度失真、噪声、几何失真等误差因数会影响匹配性能,本文给出了相对应的处理方法。
The experiment results show this method is robust to noise and misregistration error.
实验结果表明,这种方法对噪声和配准误差都有一定的鲁棒性。
When there are unknown spectral lines missing from the measurement model, the measurement noise is not white and model error is produced.
当一些未知谱线没有被测量模型考虑时,测量噪音不再是白色的,模型误差也就随之产生。
Finally, the influences of the measurement noise and the fractional order error to the stability of this algorithm are analyzed in one-dimensional case, respectively.
最后在一维情形下分析了探测噪声和光路位置调整误差对算法稳定性的影响。
Triggering time synchronization error model is derived, and based on phase noise model of frequency source, random synchronization error is considered.
本文建立了触发时间同步误差模型,结合频率源相位噪声模型,初步分析了随机型时间同步误差对成像的影响。
Error locating for form data field because of form image deforming, skew, noise and shift when printing and so on will lead to data extract failure.
表单图像变形、倾斜、噪声干扰、打印错位等问题往往使表单的数据域定位不准确,从而导致表单数据域提取失败。
The paper analyses the energy and signal noise ratio (SNR) with grating to measure passive laser wavelength in real time, provides the theoretical basis for measurement and error from the method.
从理论上分析了利用光栅实时测量被动入射激光波长的能量分布及信噪比,给出了计算公式及误差分析。
With covariance matching technique and innovation information of filtering, the noise variance is dynamically adjusted and the mean square error of the fusion system always keeps minimum.
该算法采用协方差匹配技术,依据滤波新息,动态调整测量噪声方差,使融合系统的均方误差始终最小。
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