pad_signal=np.concatenate((signal,zeros)) #填补后的信号记为pad_signal indices=np.tile(np.arange(0,nw),(nf,1))+np.tile(np.arange(0,nf*inc,inc),(nw,1)).T #相当于对所有帧的时间点进行抽取,得到nf*nw长度的矩阵 indices=np.array(indices,dtype=np.int32) #将indices转化为矩阵 frames=pad...
•FileNotFoundError:尝试打开不存在的文件。 •KeyError:访问字典中不存在的键。 •IndexError:索引超出序列范围。 •AttributeError:尝试访问对象不存在的属性或方法。 # 示例:引发不同类型异常 print("Hello, " + 123) # TypeError: can only concatenate str (not "int") to str x = 1 / 0 # Z...
concatenate([audio1, audio2, audio3], sr) # 淡入/淡出效果 faded_in_audio = librosa.fade(audio_data, fade_in_len) faded_out_audio = librosa.fade(audio_data, fade_out_len, fade_out=True) # 音高变换 new_audio = librosa.effects.pitch_shift(audio_data, sr, n_steps) # 时间伸缩 new...
#geom_histogram from pandas import DataFrame import numpy as np from lets_plot import * LetsPlot.setup_html() np.random.seed(123) #数据准备 data = DataFrame( dict(cond=np.repeat(['A', 'B'], 200), rating=np.concatenate( (np.random.normal(0, 1, 200), np.random.normal(.8, 1, 2...
import open3d as o3d import numpy as np def read_pcd(file_path): pcd = o3d.io.read_point_cloud(file_path) # print(np.asarray(pcd.points)) colors = np.asarray(pcd.colors) * 255 points = np.asarray(pcd.points) # print(points.shape, colors.shape) # return np.concatenate([points...
10. np.concatenate import numpy as np # a=np.array([[1,2,3],[4,5,6]]) # b=np.array([[11,21,31],[7,8,9]]) # c=np.concatenate((a,b),axis=0) # print(c) a=np.random.randint(0,3,(1,3,3,2)) b=np.random.randint(5,8,(1,3,3,2)) ...
# Issue #20540: concatenate before sending, to avoid delays due # to Nagle's algorithm on a TCP socket. # Also note we want to avoid sending a 0-length buffer separately, # to avoid "broken pipe" errors if the other end closed the pipe. ...
fillsignal = np.concatenate((x,fillzeros)) # concatenate连接两个维度相同的矩阵 # 对所有帧的时间点进行抽取,得到fn1*lframe长度的矩阵d d = np.tile(np.arange(0, lframe), (fn1, 1)) + np.tile(np.arange(0, fn1*mframe, mframe), (lframe, 1)).T ...
Y_test = np.concatenate((benign_test_label, malign_test_label), axis =0) s = np.arange(X_train.shape[0]) np.random.shuffle(s) X_train = X_train[s] Y_train = Y_train[s] s = np.arange(X_test.shape[0]) np.rand...
PYTHON ERRORS: Traceback info: File "c:\temp\errortest.py", line 10, in <module> x = "a" + 1 Error Info: cannot concatenate 'str' and 'int' objects float("a text string") PYTHON ERRORS: Traceback info: File "c:\temp\errortest.py", line 10, in <module> float("a text stri...