Digital Communications with Space ApplicationsSolomon Wolf Golomb |
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Page 89
... phase- locked loop ( Ref . 1 ) to track the carrier and using the carrier to clock the generator of the local code . The form of such a system is shown in Figure 6.3 . The inner loop is a phase - locked loop which tracks the clock . The ...
... phase- locked loop ( Ref . 1 ) to track the carrier and using the carrier to clock the generator of the local code . The form of such a system is shown in Figure 6.3 . The inner loop is a phase - locked loop which tracks the clock . The ...
Page 94
... phase - locked loop to lock during the interval when the two X components are in phase . This implies either a wide band loop , which is undesirable when the noise level on the incoming signal is high , or a very slow sweeping rate ...
... phase - locked loop to lock during the interval when the two X components are in phase . This implies either a wide band loop , which is undesirable when the noise level on the incoming signal is high , or a very slow sweeping rate ...
Page 96
... loop system . When locked to the incoming signal the loop is in such a condition that there is essentially no error signal . If the phase of the received signal changes , the phase of the two intermediate - frequency signals tends to ...
... loop system . When locked to the incoming signal the loop is in such a condition that there is essentially no error signal . If the phase of the received signal changes , the phase of the two intermediate - frequency signals tends to ...
Contents
Chapter | 1 |
method of synchronization 142 8 6 Specific codes with large indices of comma freedom 146 | 8 |
Chapter | 17 |
Copyright | |
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acquisition amplitude autocorrelation function average balanced modulated bandwidth bi-orthogonal codes binary sequence binary signal binary waveforms carrier channel Chapter clock code signals code words column COMBINATION SEQUENCE comma freedom comma-free comma-free codes COMPONENT IN PHASE computation correlation function cross-correlation cross-correlation function cyclic d₁ detector determine diagram dictionary difference set digit period elementary signals equation error probability example feedback filter frequency given Hadamard design Hadamard matrix incidence matrix indirect logic integration Karnaugh chart log₂ loop maximum modulated wave multiplier n-tuples obtained orthogonal codes output p₁ Periodicity Exponents Word phase modulated phase shift phase-locked loop PN sequences possible power spectrum probability density problem properties quadratic residue random signals ranging code received signal sequence of length shift register sequences shown in Figure simplex code specified spectra spectral density symbols synchronization Theorem trans-orthogonal code transmitted signals truth table variables X₁ ZERO's