查询词典 impulse response

Measurement and analysis of the in vivo posteroanterior impulse response of the human thoracolumbar spine: a feasibility study.

测量和分析了脊柱在人体内的胸腰椎后前脉冲响应：一个可行性的研究。

The m-sequence with Cyclic Prefix is inserted between OFDM symbols in time domain as training sequence. The cross-correlation is calculated between the received sequence with CP removed and the appointed circular shifted m-sequence, which takes reliability of the estimation of channel impulse response on account of the two-valued auto-correlation property of the m-sequence, thereby the channel frequency response can be advisably decided.

在时域OFDM符号之间插入附加循环前缀的m序列作为训练序列，在接收端将去掉循环前缀的接收序列与指定的循环移位m序列作相关运算，然后利用m序列的二值自相关特性获得信道的冲激响应估计，从而得到信道的频率响应估计。

This paper mainly discusses adaptive model algorithmic control based on impulse response model.

本文主要研究了基于脉冲响应模型的自适应模型算法控制。

In Amplitude Analysis in time domain, the step impulse response acts as an important parameter to evaluate the performance of audio device. It reflects the response sensitivity of audio system to sudden changed signals.

在音频设备的时域特性分析中，阶跃脉冲响应检测是衡量系统性能的重要方法，它反映的是音频设备对于突变信号的响应灵敏度。

According to induced response method, the expression in frequency domain of pressure response at the end of pipeline is derived using impulse response method and convolution theorem. The expression indicates that that transfer function is only related to the characteristics of pipeline system and the Fourier transform of flow variable only depends on the operating characteristics, and the pressure response in frequency domain is linear with the Fourier transform of flow variable.

基于激励响应法，应用脉冲响应方法和卷积定理得出了管道末端压力响应在频域中的表达式，此式表明：传递函数只与系统的特性相关，流量变量的傅立叶变换只与操作特性相关，且压力频域响应与流量变量的傅立叶变换为线形关系，根据此式在理论上能够得到管道泄漏点的重要信息。

Information of system auto and cross spectrum, auto and cross correlation. coherent function, signal to noise ratio, frequency response and impulse response was established to help the study and arrangement of the module components.

由力规及加速规两量测之时域讯号，经快速富利叶转换，计算其自频谱及互频谱，再经反富氏转换回时域之自相关及互相关函数、相通函数、讯噪比、频率响应函数、脉冲响应函数。

In the meantime,impulse response function and variance decompositions are used to research dynamic response feature.

同时，利用正交脉冲响应函数和方差分解分析了电力消费与影响因素的动态响应特征。

Stability can be precisely defined in terms of the impulse response of a continuous system, or Kronecker delta response of a discrete-time system, as follows

连续系统的稳定性是根据脉冲响应精确定义的；同样，离散系统根据Kronecker 响应定义如下

The NWPM uses the Mallows' theory of sample selection probability to design the weight coefficients according to the respective impulse response of FIR filter with the desired spectral response.

基于Mallows样本选择概率理论，由FIR滤波器的脉冲响应来获得伪中值滤波器加权系数，使其具有和FIR滤波器一样的频率选择特性。

In addition, since the channel frequency response is usually oversampled by the pilot sub-carriers, the channel power will be concentrated to a relatively small number of samples in the effective channel impulse response vector.

这种情况下，如果在进行基于DFT的内插之前，我们不用一个窗函数对观测到的信道频率响应向量进行加窗处理，则内插后，由能量泄漏而引起的混叠现象将导致信道估计的错误平底。

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。