The fourth audio signal is convolution of the second audio signal and the environment channel impulse response.
第四音频信号为第二音频信号与环境信道脉冲响应的回旋积分。
The voice signal is convolution of an original voice signal and the environment channel impulse response.
声音信号为原始声音信号与环境信道脉冲响应的回旋积分。
In order to produce stable and continuous adjustment impulse signal, it has been realized using FPGA based on analyzing the theory of continuous signal produce.
为了能够产生连续可调和稳定的脉冲信号，在分析连续信号产生原理的基础上，采用基于FPGA技术实现。
The experimental results show that the circuit can generate typical impulse noise, white noise and mixed noise that has wide applying value in the study of signal processing.
实验结果表明，这种电路能产生典型的冲击干扰、白噪声以及在信号处理研究中很有实用价值的混和噪声。
If it's really an analog signal with an impulse of such magnitude, it might contain information of importance.
如果这真是个类比讯号，又有这么强大的脉冲，很可能其中有什么重要的讯息。
Whether there exists a periodic impulse component in a vibration signal is an important sign of a mechanical device being faulty.
机械设备振动信号中是否存在周期性的冲击分量是其有无故障的重要标志。
Vibration response signal of impulse fault is generally time variant. It is difficult to early detect and diagnose by means of traditional methods.
冲击故障的振动响应信号是时变的，用传统的诊断方法一般难以进行早期发现和诊断。
It is difficult to detect the periodic impulse component in the vibration acceleration signal with conventional analysis methods such as time domain wave and frequency spectrum.
通过时域波形和频谱等基本分析手段来探测振动加速度信号中的周期性冲击分量往往是困难的。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
针对电能质量扰动信号的特性，本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
The Hilbert-Huang Transform(HHT) methods is used to extract the weak impulse radio signal from interferential and noisy environment in this paper.
本文提出采用希尔波特-黄变换（HHT）方法从干扰和噪声中提取微弱的冲击无线电信号。
And it has functions of outputting different analog signals, impulse signal with different frequency, amplitude and different wave form.
同时具有输出各种模拟信号、不同频率和幅值的脉冲信号及各种波形信号的信号源功能。
In this method, the static resistance at pile toe can be calculated directly with the rebound at pile top and impulse duration from the acceleration signal at pile top.
在该公式中，桩端土的静阻力可以直接从桩顶的加速度信号中获得的桩顶回弹和冲击力持续时间计算得到，并且计算结果和土阻尼无关。
On the basis, the position controller with a non-linear integrator combined with impulse signal is proposed.
在此基础上，提出了结合冲击信号的非线性积分器控制器。
The RF signal may be a FM telephone signal, a FM television signal or an impulse radar signal.
干扰信号可以是调频电话信号、调频电视信号或脉冲雷达信号。
The inverse theories and calculated methods of the material constant (damage degree) of damaged concrete media are studied using both of incident impulse signal and received impulse response.
利用瞬态波的脉冲入射信号以及脉冲响应对损伤混凝土介质的材料常数（损伤度）进行反演，研究反演理论和反演计算方法。
A standard impulse signal generator with high stability is an important equipment for routine test and calibration of digital recorders for measurement in high-voltage impulse tests.
高稳定标准冲击信号发生器是高电压脉冲数字化量测误差校验的必备设备之一。
A typical Ultra Wideband Radar system emits impulse signal, which has wide band, but limited operating range.
典型的超宽带雷达系统发射的是冲激脉冲信号，具有很大的带宽，但限制了系统的作用距离。
The principle of impulse radio (IR), several kinds of pulse generators, pulse modulation and signal emission for UWB radio, as well as characteristics of UWB-IR are mainly presented and concluded.
重点分析了脉冲无线电方式的原理，脉冲的几种产生方法，调制、发射以及脉冲信号的技术特点。
However, in respect of a vibration acceleration signal, the signal to noise ratio (SNR) is often so small that the periodic impulse component is submersed in its intense background noises.
通常检测的机械振动加速度信号，由于信噪比太低，即使存在周期性的冲击分量也往往被淹没在强的背景噪声之中。
Finite impulse response (FIR) digital filters are widely used as common components in many digital signal processing (DSP) systems.
有限脉冲响应滤波器作为普通器件在许多数字信号处理系统中广泛使用。
The audio frequency inspection system is mainly composed of the impulse excitation device, acoustic sensor, signal conditioning circuits, data acquisition card and micro-computer and so on.
音频检测系统主要由脉冲激励装置、音频传感器、信号调理电路、数据采集卡和微型计算机等部分组成。
Differential rank order impulse detector was improved for the impulse noise's detection. The impulse noise was detected more exactly and signal details were preserved.
在检测脉冲噪声时，本文改进了差分排序脉冲噪声检测法，改进后的方法提高了脉冲噪声检测的准确率，保护了信号的细节信息。
We apply sparse signal processing to OFDM channel estimation under impulse noise.
我们将稀疏信号处理应用于冲击噪声下的OFDM信道估计问题。
The invention relates to a method and a system for modeling I-UWB (Impulse-Ultra Wide Band) signal multipath transmission characteristics in an indoor visual range environment.
本发明涉及对室内视距环境下i - UWB信号多径传播特性进行建模的方法和系统。
We study the sidelobe suppression for the pulse compression of the LFM signal, and analyze the spectrum weighting and the impulse response weighting method.
本文研究了线性调频信号脉冲压缩的旁瓣抑制问题，分析了频谱加权法和冲激响应加权法的原理。对两种方法的谱平滑效果。
The instantaneous signal amplitude can be increased due to the impulse drive characteristic of the infrared source, the adaptability to the surface condition of the workpiece can be thus improved.
利用光源的脉冲驱动特性，加大了瞬时信号功率，改善了光学传感器对工件表面的适应性。
This paper has presented a new method of measuring ground impedance by generating impulse current signal .
本文提出了利用发出冲击电流信号测量接地阻抗的新方法。
The pulse interleaving technology is adopted to make the transmitter or receiver synchronize with the transmission and the reception of the impulse radio signal pulses.
采用脉冲交错技术使发射机或接收机能同步于收发冲激无线电信号脉冲。
By using the proposed method, both the periodic and the impulse response waveforms can be separately extracted from the signal.
方法能有效地提取平稳的周期波形和非平稳的冲击衰减响应。
By using the proposed method, both the periodic and the impulse response waveforms can be separately extracted from the signal.
方法能有效地提取平稳的周期波形和非平稳的冲击衰减响应。
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