def sine_wave_generator(frequency, sample_rate, duration): t = np.arange(0, duration, 1/sample_rate) for value in np.sin(2 * np.pi * frequency * t): yield value 波形数据生成器的应用场景有哪些? 波形数据生成器可以广泛应用于多个领域,例如信号处理、音频合成、机器学习等。在音频处理中,生成...
这里先构建一个输入2Vpp的sine波,先不加窗,然后fft变换后得到频谱 importnumpyasnpimportmatplotlib.pyplotasplt# sine wave generatorfs=250e3t_interval=1/fsfin=5e3n_period=100sample_N=int(fs/fin*n_period)# sample_N = 16384t=np.arange(0,sample_N*t_interval,t_interval)xn=1*np.sin(2*np.pi*...
运行结果: ➜ wave-generator git:(master) ✗ py tone_wave_generator.py sine 900 1800 10 out26.wav File 'out26.wav' created! Wave Type: sine Frequency_one: 900hz Frequency_two: 1800hz Play Time: 10 seconds 三 结果分析 生成的wav文件波形图: 对应的频谱图发布...
2. «interface»SignalGenerator+generateSignal()+plotSignal()SineWaveGenerator+generateSignal()SquareWaveGenerator+generateSignal() 解决方案 为了解决问题,我们需要编写一个自动化脚本来正确生成方波信号并且优化生成过程。可以使用numpy的sign函数来创建方波信号。 接下来是修复的流程: 开始确定参数生成方波信号绘制...
➜ wave-generator git:(master) ✗ py tone_wave_generator.py sine 900 1800 10out26.wav File'out26.wav'created! Wave Type: sine Frequency_one: 900hz Frequency_two: 1800hz Play Time:10 seconds 三 结果分析 生成的wav文件波形图:
SignalGenerator+generate_sine_wave(frequency: float, duration: float)+add_gaussian_noise(mean: float, std_dev: float)+plot_signals()Noise+generate_mean(mean: float)+generate_std_dev(std_dev: float) 甘特图 2023-10-012023-10-012023-10-012023-10-022023-10-022023-10-022023-10-022023-10-03Cre...
NumPy,即Numerical Python,是Python中最为常用的科学计算库之一。它提供了强大的多维数组对象ndarray,并支持大量的数学函数和操作。与Python内置的列表相比,NumPy数组的计算速度更快,占用内存更少,非常适合处理大量的数据。 NumPy的功能不仅限于数值计算,它还支持复杂的数组操作,如切片、索引、线性代数运算等。NumPy通常与...
def data_generator(file_path, chunk_size): with open(file_path, 'r') as f: while True: chunk = f.read(chunk_size) if not chunk: 相关问答FAQs: 如何在Python中安装numpy库? 要在Python中安装numpy库,可以使用Python的包管理工具pip。打开命令行或终端,输入以下命令:pip install numpy。确保你的Pyt...
#!/usr/bin/python3 from bs4 import BeautifulSoup with open("index.html", "r") as f: contents = f.read() soup = BeautifulSoup(contents, 'lxml') for child in soup.recursiveChildGenerator(): if child.name: print(child.name) 该示例遍历文档树并打印所有 HTML 标记的名称。 $ ./traverse...
variable filter. It has very excellent low frequency performance, and limitations in the high frequencies that have to be worked around, but most importantly frequency and Q coefficients are separate and easy to change for dynamic filtering. It also make a great low frequency sine wave generator....