c72b6d57938552e0e372173df7655264f6fa9088,sk_dsp_comm/sigsys.py,,lp_samp,#Any#Any#Any#Any#Any#Any#,579

Before Change

    A = 1.0
    line_ampl = A/2.*np.array([0, 1])
    // plot the lowpass spectrum in black
    if shape.lower() == "tri":
        plt.plot(f,lp_tri(f,fb))
    elif shape.lower() == "line":
        plt.plot([fb, fb],line_ampl,"b", linewidth=2)
        plt.plot([-fb, -fb],line_ampl,"b", linewidth=2)
    else:
        print("shape must be tri or line")
    // overlay positive and negative frequency translates
    for n in range(N):
        if shape.lower() == "tri":
            plt.plot(f,lp_tri(f-(n+1)*fs,fb),"--r")
            plt.plot(f,lp_tri(f+(n+1)*fs,fb),"--g")

After Change

    A = 1.0
    line_ampl = A/2.*np.array([0, 1])
    // plot the lowpass spectrum in black
    shapes = ["tri", "line"]
    if shape.lower() not in shapes:
        raise ValueError("shape must be tri or line")
    if shape.lower() == "tri":
        plt.plot(f,lp_tri(f,fb))

Instances