从那时起,一张罚单开始慢慢累积,每天几美分。据纽约社会图书馆非正式估计,总计已超过4000美元。
Since then, they've been steadily collecting a fine of a few cents each day, adding up to more than $4,000 by the New York Society Library's informal estimate.
可以通过角速率值的时间积分来估计当前的横滚角度,前提是没有误差的累积。
You can approximate the current roll Angle by integrating the roll rate over time, but you can't do so without some error creeping in.
精度估计是线性参数处理中重要的一部分,而累积法是进行线性参数处理的一种新方法。
Accuracy estimation is an important part in linear parameter processing, and cumulative-sum method is a new method for linear parameter processing.
介绍了三阶累积量和1(1/2)维谱定义及估计算法。
The definitions and the estimation algorithm of the 1(1/2) dimension spectrum and the high-order cumulation are introduced.
提出了一种基于频域高阶累积量的信号频率和到达角联合估计算法。
In this paper, a new cumulants-based method for the joint estimations of frequency and DOA of spatial signal was discussed.
以均匀直线阵和四阶累积量为基础,提出了一种新的空间特征盲估计算法。
Based on uniform linear array and fourth order cumulant, a novel blind algorithm for spatial signature estimation was presented.
针对加性高斯有色噪声背景下的一维、二维线性调频信号的参量估计问题,引入高阶统计量,提出了一种基于四阶累积量的新方法。
For the problem of parameter estimation of one dimensional and two dimensional chirp signal in additive colored Gaussian noise, a new method based on fourth-order cumulant is proposed.
在存在背景噪声干扰的情况下,本文提出了一种基于三阶累积量的自适应参数型多径时延估计方法。
Taking into account the noises correlated with signals, multipath time delay estimation based on adaptive parametric approach using third-order cumulants is proposed in this paper.
阐述了三阶累积量时延估计方法基本原理,并将该方法用于断层检测和落差估计。
The principle of third-order accumulation method is used to detect fault and estimate the throw of fault.
本文首先引出地震子波估计和外推的最新方法—高阶累积量法。
The novel method of Estimation and extraction of seismic Wavelet-Higher order cumulants is presented in this thesis at first.
为了提高新息改进GM(1,1)模型的预测精度,引入累积法对新息改进GM(1,1)模型的参数进行估计,给出了新的参数估计公式。
In order to improve the forecast precision of modified GM (1, 1) model, a new parameter estimation formula based on accumulating method to modified GM (1, 1) model is proposed.
就盲分离在阵列信号处理中的应用,提出了一种基于四阶累积量的源数估计方法。
Based on the application of BSS in array signal processing, a method of estimation signals number was proposed.
本文针对一种均匀圆阵列对相干信号的DOA估计所做的变换处理,引入高阶累积量来进行参数估计。
In this paper, an introduction of the use of cumulants to a kind of DOA estimation of uniform circular array is proposed.
和原算法相比,改进算法充分利用了输出信号的累积量矩阵固有结构,从而提高了算法的估计性能。
Compared with the existing algorithm, the improved algorithm fully utilizes the inherent structure of cumulant matrix of the output signals and improves its performance of estimation.
论述了最大似然(ML)算法测向以及四阶累积量阵列扩展的基本原理,在此基础上给出了一种基于最大似然算法和四阶累积量的DOA估计新方法。
The principle of ML direction finding and fourth-order cumulants array extension is dissertated, then a new DOA estimation method based on ML estimation and fourth-order cumulant is presented.
由于四阶累积量对高斯噪声和干扰不敏感,从而可提高估计的分辨性能。
Because the fourth order cumulant is insensitive to Gaussian noise or interference, the performance of the estimates can be increased.
基于低空测角模型,提出了一种基于四阶累积量的直达波方位估计算法。
According to the model of low Angle bearing, a new direct signal DOA estimation algorithm is proposed based on fourth-order cumulant.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法,实现了跳频频率和码速率等参数的高精度估计。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
基于快速循环累积量实现了对LPI雷达信号频率的高精度估计。
Based on the fast cyclic cumulants method, the frequency of LPI signal was estimated accurately.
用四阶累积量构造了一个较通用的累积量矩阵,该矩阵符合MU- SIC算法的结构,从而可进行波达方向(DOA)估计。
This paper gives a general fourth order cumulant matrix which conforms with the structure of MUSIC algorithm. Therefore we can estimate the direction of arrival (DOA).
本文针对多径的影响,分析了多径情况下的信号模型,并采用基于高阶累积量的方法来解决多径情况下的DOA估计。
In this paper, we analysis signal model of multi-path environment, and use high order cumulant method, together with some general DOA estimating method, to estimate DOA of multi-path accurately.
针对单信道中时频重叠双信号的载波频率估计问题,提出一种基于二阶循环累积量的载波频率估计方法。
Aiming at time-frequency overlapped two-signals in single-channel, this paper proposed a method to estimate carrier frequency based on second-order cyclic cumulants.
针对单信道中时频重叠双信号的载波频率估计问题,提出一种基于二阶循环累积量的载波频率估计方法。
Aiming at time-frequency overlapped two-signals in single-channel, this paper proposed a method to estimate carrier frequency based on second-order cyclic cumulants.
应用推荐