Пример #1
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def get_quad_bias_act(ff):
    zeros = []
    poles = [1.8, 1.8, 1590]
    gain = 40 * (2 * esd_coeff * esd_bias)
    _, driver_tf = nbu.freqresp((zeros, poles, gain), ff)
    sus_resp = nbu.get_complex_interp('quadTstTstLL.txt', ff)
    return ff, abs(driver_tf * sus_resp) * ligo_dac_noise(ff)
Пример #2
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def get_quad_tst_act(ff):
    zeros = [50, 50, 3250]
    poles = [2.2, 2.2, 152]
    gain = 2 * (2 * esd_coeff * esd_bias)
    _, driver_tf = nbu.freqresp((zeros, poles, gain), ff)
    sus_resp = nbu.get_complex_interp('quadTstTstLL.txt', ff)
    return ff, abs(driver_tf * sus_resp) * ligo_dac_noise(ff)
Пример #3
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def get_BS_Mar_act(ff):
    zeros = []
    poles = [300]
    # 28mN/A per pair, 30 ohms (resistor+coil), noise adds incoherently
    gain = sqrt(2) * 28e-3 / 30
    _, driver_tf = nbu.freqresp((zeros, poles, gain), ff)
    sus_resp = nbu.get_complex_interp('BS_Mar_resp.txt', ff)
    return ff, abs(driver_tf * sus_resp) * virgo_dac_noise / 200
Пример #4
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def get_TM_Mir_act(ff, res=10):
    zeros = []
    poles = [300]
    # 3.4mN/A per pair, 20 ohms (resistor+coil), noise adds incoherently
    gain = sqrt(2) * 3.4e-3 / (res + 20)
    _, driver_tf = nbu.freqresp((zeros, poles, gain), ff)
    sus_resp = nbu.get_complex_interp('TM_Mir_resp.txt', ff)
    return ff, abs(driver_tf * sus_resp) * virgo_dac_noise
Пример #5
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def get_bs_pum_act(ff):
    # T1100479
    zeros = [10, 20, 10]
    poles = [1, 200, 100]
    gain = 0.32e-3 * 0.963
    _, driver_tf = nbu.freqresp((zeros, poles, gain), ff)
    sus_resp = nbu.get_complex_interp('bsfmM2M3LL.txt', ff)
    return ff, abs(driver_tf * sus_resp) * ligo_dac_noise(ff) / 280
Пример #6
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def get_quad_pum_act(ff):
    # T1100378
    zeros = [6, 20, 1.35]
    poles = [0.5, 250, 110]
    gain = 0.268e-3 * 0.0309
    _, driver_tf = nbu.freqresp((zeros, poles, gain), ff)
    sus_resp = nbu.get_complex_interp('quadPumTstLL.txt', ff)
    return ff, 2 * abs(driver_tf * sus_resp) * ligo_dac_noise(ff)
Пример #7
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def get_BS_Mir_act(ff):
    zeros = []
    poles = [300]
    # 1.7mN/A per pair, 30 ohms (resistor+coil), noise adds incoherently
    #gain = sqrt(2)*1.7e-3 / 30
    # factor of 6 increase for mirror from combination of magnets, coils, DAC actuation changes
    gain = sqrt(2) * 1.7e-3 * 6 / 30
    _, driver_tf = nbu.freqresp((zeros, poles, gain), ff)
    sus_resp = nbu.get_complex_interp('BS_Mir_resp.txt', ff)
    return ff, abs(driver_tf * sus_resp) * virgo_dac_noise / 200