就是你帖子里那个示范的声音文件上下载的那个样板文件，是不是只能用来听的。
另外，这个sdr你看能做否？
http://www.lucabarbi.it/perseus/perseus_uk.htmperseus
pretty excellent receiver for software-eager unperceivable signals
sdr receiver for vlf-lf-hf
tecnical specifications
frequency range 10 khz - 30 mhz (40 mhz without preselector)
modes usb, lsb, cw, am, fmn, fsk, drm, etc.
(and countless more as software can define)
sensitivity 0.39 uv ssb (s+n)/n= 10 db*
selectivity defined by the pc software
rejection 90 db*
ip3 31 dbm*
dinamyc range 103 db (ssb, 2.4 khz bw)*
107 db (cw, 500 hz bw)*
blocking 125 db*
minimun detectable signal -124 dbm (ssb, 2.4khz bw)*
-131 dbm (cw, 500hz bw)*
output sampling rate 100/200/400khz/800khz segnali i&q
preselector 1 x 3-poli-low pass(0 - 1,7 mhz)
9 x 6-poli bandpass (1,7 - 30 mhz)
switch off for broadband view
attenuator 0, 10, 20, 30 db
ad converter 14-bit, 80ms/s
ddc xc3s250e
pc interface usb 2.0 480 mbit/s (cable included)
power supply +5vdc +/-5% 1 a (power supply 220v included)
dimension 110 x 36 x 185 mm (l x h x p)
cabinet alluminium
* (tip. 14.2 mhz)
main program perseus - spectrum view
main program perseus - waterfall view
perseus is capable of displaying the full spectrum from 10 khz to 40 mhz with a resolution bandwidth of 10 khz and a dynamic and spectral purity comparable to the best spectrum analyzers available on the market. that function perseus was developed special software for windows, hfspan, given that came with your receiver.
software hfspan
internal view front panel rear panel
perseus is a sdr receiver and use pc software to make the process of demodulation. the compatibility and support of application software most used by radio amateurs are provided by a dll library for the microsoft windows operating systems.
another software used to demodulate the signals is winrad of i2phd
perseus package include:
perseus receiver
usb cable
power supply 110/220v
driver for windows
perseus software
hfspan software
dll for winrad
user manual on pdf
price 825,00 euro include vat netto price 687,50 euro
non ec users may be subject to custom or value added taxes depending on local regulations
warrenty 2 years - compile with ce mark
perseus is available in stock !
if you need more info don't hesitate to contact us via e-mail phone or fax
technical specifications block diagram
