查询词典 impulse response

The design of a FIR linear phase filter based onBP neural network algorithm is introduced, get the unit impulse response of the filter by training the wieght of the BP neural network.

摘 要：本文将BP神经网络算法应用于FIR线性相位数字滤波器的设计中，通过训练神经网络的权值，得到滤波器的单位冲激响应。

The inversion approach has advantagesof ensur ing reliability of pseudo-impulse response , reducing non-uniqueness solution of unstable equation and evaluating uniqueness of solution.

该联合反演方法确保了伪脉冲响应的可靠性，缩小了解的非唯一性，并能评价解的唯一性程度。

The impulse response on even velocity model and simple lateral variable velocity model shows that the symplectic method can decrease the frequency dispersion and adapt to the lateral velocity variation.

脉冲响应的计算也表明文中的近似方法具有降低频散效应和适应横向变速的能力。

The impact of the mobilization under local war is surveyed through co-integration test, vector error correction model, impulse response function and variance decomposition based on vector autoregression.

外汇储备动员除了关乎局部战争胜负这一显而易见的军事功效外，其最为显著的影响就是对基础货币所带来的冲击。

Econometrics ; cointegration ; Granger casuality model ; quantity of cash put into circulation ; impulse response.

计量经济；协整； Granger因果检验；现金投放；脉冲分析

Digital Signal Processing Module, including convolve, deconvolve, correlate, Signal Generator, Hartley Transform, Fourier Transform, Windows Function, Finite and Infinite Impulse Response Filter.

通用软件平台主要由六类软件开发包来实现，包括： 1。数字信号处理软件包：负责基础的数据处理，针对仪器所分析的信号从单独离散量，到一维谱图、二维图像及动态分析系统的多维数据等，提供信号生成、时域处理、频域处理、窗函数和滤波器设计等功能函数。

Inherent inter-symbol and inter-carrier interference elimination ability of orthogonal frequency division multiplexing system attribute to its cyclic prefix. But the case of multipath fading channels whose the channel impulse response length exceeds the duration of cyclic prefix causes intersymbol interference and intercarrier interference, which may degrade system performance severely.

正交频分复用系统中的循环前缀具有一定的抗码间干扰和子载波间干扰的能力，但是当多径衰落信道的最大信道脉冲响应长度超过了循环前缀长度时，OFDM系统的性能将会严重下降。

The algorithm analyzes the system in the frequency domain, then simplifies the finite-impulse-response channel estimate into several memoryless systems.

该算法从频域角度出发，从而将有限冲击响应信道的识别简化为一系列的无记忆系统识别问题。

Most of the sound field simulation focuses on researching the impulse response in closured sound field,and then calculates other sound parameters,due to various environment in outdoor sound field,there is less research.

大部分声场仿真侧重于在室内封闭声场的前提下研究声场能量脉冲响应，进而获得其他声学参数，而室外声场环境由于差别较大，考虑因素较多因此研究较少。

Wavelet transform is Mallat algorithm in substance but a key point of Mallat algorithm is that wavelet's filter is convolved with function, so the calculation of coefficients of impulse response of filter of wavelet is very importment for Mallat algorithm.

在信号和图象处理中小波变换的实质是Mallat算法，而Mallat算法中其基点是小波所对应的滤波器和原函数作卷积，因此小波所对应的滤波器的冲激响应系数的计算对Mallat算法的实现具有现实的意义。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。