RSA306B，500，600系列API接口代码

获取资料，下图是代码文件截图。

部分示例代码：

"""################SPECTRUM EXAMPLE################"""

def config_spectrum(cf=1e9, refLevel=0, span=40e6, rbw=300e3):
    rsa.SPECTRUM_SetEnable(c_bool(True))
    rsa.CONFIG_SetCenterFreq(c_double(cf))
    rsa.CONFIG_SetReferenceLevel(c_double(refLevel))

    rsa.SPECTRUM_SetDefault()
    specSet = Spectrum_Settings()
    rsa.SPECTRUM_GetSettings(byref(specSet))
    specSet.window = SpectrumWindows.SpectrumWindow_Kaiser
    specSet.verticalUnit = SpectrumVerticalUnits.SpectrumVerticalUnit_dBm
    specSet.span = span
    specSet.rbw = rbw
    rsa.SPECTRUM_SetSettings(specSet)
    rsa.SPECTRUM_GetSettings(byref(specSet))
    return specSet

def create_frequency_array(specSet):
    # Create array of frequency data for plotting the spectrum.
    freq = np.arange(specSet.actualStartFreq, specSet.actualStartFreq
                     + specSet.actualFreqStepSize * specSet.traceLength,
                     specSet.actualFreqStepSize)
    return freq


def acquire_spectrum(specSet):
    ready = c_bool(False)
    traceArray = c_float * specSet.traceLength
    traceData = traceArray()
    outTracePoints = c_int(0)
    traceSelector = SpectrumTraces.SpectrumTrace1

    rsa.DEVICE_Run()
    rsa.SPECTRUM_AcquireTrace()
    while not ready.value:
        rsa.SPECTRUM_WaitForDataReady(c_int(100), byref(ready))
    rsa.SPECTRUM_GetTrace(traceSelector, specSet.traceLength, byref(traceData),
                          byref(outTracePoints))
    rsa.DEVICE_Stop()
    return np.array(traceData)


def spectrum_example():
    print('\n\n########Spectrum Example########')
    search_connect()
    cf = 2.4453e9
    refLevel = -30
    span = 40e6
    rbw = 10e3
    specSet = config_spectrum(cf, refLevel, span, rbw)
    trace = acquire_spectrum(specSet)
    freq = create_frequency_array(specSet)
    peakPower, peakFreq = peak_power_detector(freq, trace)

    plt.figure(1, figsize=(15, 10))
    ax = plt.subplot(111, facecolor='k')
    ax.plot(freq, trace, color='y')
    ax.set_title('Spectrum Trace')
    ax.set_xlabel('Frequency (Hz)')
    ax.set_ylabel('Amplitude (dBm)')
    ax.axvline(peakFreq)
    ax.text((freq[0] + specSet.span / 20), peakPower,
            'Peak power in spectrum: {:.2f} dBm @ {} MHz'.format(
                peakPower, peakFreq / 1e6), color='white')
    ax.set_xlim([freq[0], freq[-1]])
    ax.set_ylim([refLevel - 100, refLevel])
    plt.tight_layout()
    plt.show()
    rsa.DEVICE_Disconnect()