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计算声音信号的总声压级
- 计算声音信号的总声压级,1/3/倍频程声压级,总响度,特性响度,尖锐度,Calculation of the total sound pressure level of the voice signal, 1/3/octave sound pressure level, the total loudness, loudness characteristics, acute severe
hdhx1
- 无多普勒频移的海底混响点散射模型(matlab编程)-Doppler frequency shift of the seafloor reverberation point scattering model
chap06
- ex5_1 I-型线性相位FIR滤波器 ex5_2 II-型线性相位FIR滤波器 ex5_3 III-型线性相位FIR滤波器 ex5_4 IV-型线性相位FIR滤波器 ex5_5 矩形窗频响 ex5_6 希尔伯特变换器设计-汉宁窗 ex5_7 低通滤波器设计-汉明窗 ex5_8 带通滤波器设计-布莱克曼窗 ex5_9 低通滤波器设计-凯塞窗 ex5_11 频率采样技术:低通,朴素法 ex5_12 频率采样技术:低通, 最优法T1 & T2 ex5_13
zdcscx
- LabVIEW平台开发的振动测试程序,可实现时域分析,频域分析,频响分析等功能-LabVIEW platform for the development of vibration testing procedures, time-domain analysis, frequency domain analysis, frequency response analysis functions
matlab
- 在采样点之间的频率响应是由各采样点的加权内插函数叠加而形成的,因而有一定的逼近误差。该误差大小取决于理想频率响应的形状,理想频响特性变化越平缓,内插值越接近理想值,逼近误差越小;反之,如果采样点之间的理想频响特性变化越陡,则内插值与理想值之间的误差越大,因而在理想滤波器不连续点的两边,就会产生尖峰,而在通带和阻带就会产生波纹。用频率采样法设计的实际滤波器频率响应如图1所示。由图1可知,实际滤波器的阻带衰减取决于内插函数第一旁瓣幅度值的大小,其大小决定了所设计的滤波器的阻带性能。-Interpol
MTI-simulation
- MTI仿真,单延迟对消器频响图 ,单延迟对消器频响图-MTI simulation,function [resp] = single_canceler (fofr1)
yuandaima1
- MTI雷达(动目标检测雷达)能够抑制杂波保留目标信号,本人提供了单延迟线MTI对消器频响,双延迟线MTI对消器频响,利用参差重频消除盲速影响,讨论MTI雷达参差比取不同的值对盲速的影响的matlab仿真源代码MTI_radar -MTI radar (moving target detection radar) can suppress clutter to keep the target signal, I provide a single delay line MTI cancell
general_freqresponse_solution
- 通用振动方程频响求解,包括位移平频响,速度频响,加速度频响等-general frequency response function solution.
deferent-of-FFT-FRF-and-FM
- 显示了对labview中FFT频谱、频响、和频谱测量三个vi的区别。-Shows the difference for labview in FFT spectrum, frequency response, and spectral measurements three of vi.
frequency-response-function
- 频率响应函数简称,频响函数。为互功率谱函数除以自功率谱函数得到的商-frequency response function. means the mutual power spectrum function, divided by the power spectrum function
chenxu
- (1)录制一段语音信号,完成对信号的采样,画出信号的时域波形和频谱图,确定信号的频谱范围; (2)给信号叠加噪声(噪声类型分为如下几种:a白噪声;b单频噪色(正弦干扰);c多频噪声(多正弦干扰);d其它干扰。),画出受噪声干扰的信号时域波形和频谱图; (3)采用窗函数法设计FIR低通滤波器,画出滤波器的频响特性图; (4)用所设计的滤波器对受噪声影响的信号进行滤波,画出滤波后语音信号的时域波形图和频谱图; (5)对滤波前后的信号进行对比,分析信号的变化;回放语音信号,并与原始语音信号对比
yuyinchuli
- 在matlab平台利用GUI界面实现录音,播放。并对语音信号进行频谱分析,特定人语音识别,混响,混频等基础功能。(On the MATLAB platform, the GUI interface is used to record and play. And the speech signal spectrum analysis, specific speech recognition, reverberation, mixing and other basic functions.)