Lines Matching +full:low +full:- +full:noise
1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
11 <img src="pic/radio2.jpg" alt="jpg" align="left">ICOM R-72 shortwave receiver and Sure audio mixer
13 <!-- #BeginDate format:En2m -->11-Sep-2010 05:55<!-- #EndDate -->
29 algorithms designed to efficiently extract timing signals from noise and interference.
31 and decoding techniques, including maximum-likelihood and soft-decision methods.
32 The documentation page for each driver contains an in-depth discussion on
36 … maintain adequate demodulator signal amplitude while avoiding occasional noise spikes. In order t…
38 …e flag 2</tt> command selects the microphone port if set to zero or the line-in port if set to one…
40 …- speaker or headphone jack - connected to either the microphone or line-in port on the computer. …
41 …- even 15 feet is enough if it is located outside of a metal frame building, preferably on the roo…
42 …n also be used to power the radio. A couple of center-tapped audio transformers will minimize nois…
43 …our. While both drivers support the ICOM CI-V radio interface and can tune the radio automatically…
44 <p>Shortwave (3-30 MHz) radio propagation phenomena are well known to shortwave enthusiasts. The ph…
46 … is higher in daytime than nighttime, stays high longer on summer days and low longer on winter ni…
50 …<li>Ambient noise (static) on the lower frequencies follows the thunderstorm season, so is higher …
52 …<li>The optimum frequencies are higher at the peak of the 11-year sunspot cycle and lower at the t…
56 …e ICOM ID select code in decimal. A missing or zero argument disables the CI-V interface. Since al…
160 radios have recorder outputs which produce a microphone-level signal not affected
163 headphone or speaker output to the line-in port and adjust the volume control
165 level somewhere in the middle of the range 0-255. IRIG signals are usually
167 may even overload the line-in port. In such cases the signal is designed to
168 drive a cable terminated with a 50-ohm resistor, which results in a level
169 the line-in port can handle..</p>
174 codec and generally free of noise and interference. Note that the monitor
176 …e format includes several fixed-length fields defining the UTC time to the millisecond, together w…