Python Receiver.demodulate方法代碼示例

本文整理匯總了Python中receiver.Receiver.demodulate方法的典型用法代碼示例。如果您正苦於以下問題：Python Receiver.demodulate方法的具體用法？Python Receiver.demodulate怎麽用？Python Receiver.demodulate使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類receiver.Receiver的用法示例。

在下文中一共展示了Receiver.demodulate方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: Receiver

# 需要導入模塊: from receiver import Receiver [as 別名]
# 或者: from receiver.Receiver import demodulate [as 別名]
    else:
        channel = ach.AudioChannel(opt.samplerate, opt.chunksize, opt.prefill)

    # transmit the samples, and retrieve samples back from the channel
    try:
        samples_rx = channel.xmit_and_recv(mod_samples)
    except ZeroDivisionError:
        # should only happen for audio channel
        print "I didn't get any samples; is your microphone or speaker OFF?"
        sys.exit(1)
#################################

    # process the received samples
    # make receiver
    r = Receiver(fc, opt.samplerate, opt.spb)
    demod_samples = r.demodulate(samples_rx)
    one, zero, thresh = r.detect_threshold(demod_samples)
    barker_start = r.detect_preamble(demod_samples, thresh, one)
    rcdbits = r.demap_and_check(demod_samples, barker_start)
    decoded_bits = r.decode(rcdbits)

    # push into sink
    sink = Sink()
    rcd_payload = sink.process(decoded_bits)

    if len(rcd_payload) > 0:
        hd, err = common_srcsink.hamming(decoded_bits, databits)
        print 'Hamming distance for payload at frequency', fc,'Hz:', hd, 'BER:', err
    else:
        print 'Could not recover transmission.'

開發者ID:cynosure-wei，項目名稱:engr40n-wireless-communication-system，代碼行數:32，代碼來源:sendrecv_coding.py

示例2: Receiver

# 需要導入模塊: from receiver import Receiver [as 別名]
# 或者: from receiver.Receiver import demodulate [as 別名]
        channel = ach.AudioChannel(opt.samplerate, opt.chunksize, opt.prefill)
        
    # transmit the samples, and retrieve samples back from the channel
    try:
        samples_rx = channel.xmit_and_recv(mod_samples)
    except ZeroDivisionError:
        # should only happen for audio channel
        print "I didn't get any samples; is your microphone or speaker OFF?"
        sys.exit(1)
#################################

    # process the received samples
    # make receiver
    r = Receiver(fc, opt.samplerate, opt.spb)
    # demod_samples = r.demodulate(samples_rx)
    demod_samples = r.demodulate(mod_samples) # no bit errors, feed directly to receiver
    one, zero, thresh = r.detect_threshold(demod_samples)
    barker_start = r.detect_preamble(demod_samples, thresh, one)
    rcdbits = r.demap_and_check(demod_samples, barker_start)

    # push into sink
    sink = Sink()
    rcd_payload = sink.process(rcdbits)
    
    if len(rcd_payload) > 0:
        hd, err = common_srcsink.hamming(rcd_payload, src_payload)
        print 'Hamming distance for payload at frequency', fc,'Hz:', hd, 'BER:', err
    else:
        print 'Could not recover transmission.'

    if opt.graph:

開發者ID:jomar270，項目名稱:programmable_radio，代碼行數:33，代碼來源:sendrecv.py

示例3: Receiver

# 需要導入模塊: from receiver import Receiver [as 別名]
# 或者: from receiver.Receiver import demodulate [as 別名]
        channel = ach.AudioChannel(opt.samplerate, opt.chunksize, opt.prefill)
        
    # transmit the samples, and retrieve samples back from the channel
    try:
        samples_rx = channel.xmit_and_recv(mod_samples)
    except ZeroDivisionError:
        # should only happen for audio channel
        print "I didn't get any samples; is your microphone or speaker OFF?"
        sys.exit(1)
#################################

    # process the received samples
    # make receiver
    r = Receiver(fc, opt.samplerate, opt.spb)
    #demod_samples = r.demodulate(samples_rx)
    demod_samples = r.demodulate(mod_samples)
    one, zero, thresh = r.detect_threshold(demod_samples)
    barker_start = r.detect_preamble(demod_samples, thresh, one)
    rcdbits = r.demap_and_check(demod_samples, barker_start)

    # push into sink
    sink = Sink()
    rcd_payload = sink.process(rcdbits)
    
    if len(rcd_payload) > 0:
        hd, err = common_srcsink.hamming(rcd_payload, src_payload)
        print 'Hamming distance for payload at frequency', fc,'Hz:', hd, 'BER:', err
    else:
        print 'Could not recover transmission.'

    if opt.graph:

開發者ID:frankchn，項目名稱:engr40n，代碼行數:33，代碼來源:sendrecv.py

示例4: Receiver

# 需要導入模塊: from receiver import Receiver [as 別名]
# 或者: from receiver.Receiver import demodulate [as 別名]
    else:
        channel = ach.AudioChannel(opt.samplerate, opt.chunksize, opt.prefill)
        
    # transmit the samples, and retrieve samples back from the channel
    try:
        samples_rx = channel.xmit_and_recv(mod_samples)
    except ZeroDivisionError:
        # should only happen for audio channel
        print "I didn't get any samples; is your microphone or speaker OFF?"
        sys.exit(1)
#################################

    # process the received samples
    # make receiver
    r = Receiver(fc, opt.samplerate, opt.spb)
    demod_samples = r.demodulate(samples_rx) #NEEDS TO BE SAMPLES_RX
    one, zero, thresh = r.detect_threshold(demod_samples)
    barker_start = r.detect_preamble(demod_samples, thresh, one)
    rcdbits = r.demap_and_check(demod_samples, barker_start)

    # push into sink
    sink = Sink()
    rcd_payload = sink.process(rcdbits)
    

    if len(rcd_payload) > 0:
        hd, err = common_srcsink.hamming(rcd_payload, src_payload)
        print 'Hamming distance for payload at frequency', fc,'Hz:', hd, 'BER:', err
    else:
        print 'Could not recover transmission.'

開發者ID:tediris，項目名稱:E40N，代碼行數:32，代碼來源:sendrecv.py

注：本文中的receiver.Receiver.demodulate方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。