		README: xdigfil

xdigfiĺAdigtal filter݌vCADłB
FIR, IIR^ɂLPF, HPF, BPF, BRF݌v邱Ƃo܂B

̃vÓA
wHwdqHw m@@搶̒A
fBW^EtB^݌v,bpo(1990). 2,500.-
ɌfڂꂽAdigfilCŏA
X windowGUIt̂łB

Turbo Pascal -> C̕ΐAgnup2cgA
̌ƂŏC܂B
֐Aϐ͑啝ɕς̂܂A
digtal filter݌vASÝAύXĂ܂B

JA./xdigfilɈړ

xmkmf
make Makefiles
make depend    # SourceȂȂȗ
make
make install
ŁAxdigfilo͂łB

ڍׂ́AɗgQƂĂƂāA
xdigfilL݂̑̂ȒPɐ܂B

\̑I :		fir, iir
ʉ߈̑I :		lpf, hpf, bpf, brf
ȖI :	(IIR̂݁j
		Butterworth :		btw
		Chebyshev :		chv
		Inverse Chebyshev :	inv
XP[ȎI :    (IIR̂݁j
		No Scale :              XP[OȂ
		1D :                    1D typẽXP[O
		2D :                    2D typẽXP[O

L̊eڂꂼꂵ܂B

XP[OL2m@ɂAFKEXM͂ɑ΂A
99.7%̊mŁAeZ_AΒlP𒴂Ȃ悤ɁA
XP[O܂B


TvOg :	Samp F
ebv :		repple
j~挸 :		attn
JbgItg :	fc1, fc2
j~GbWg :	fa1, fa2

l͂܂B
fa1 < fa2, fc1 < fc2 ŁAʉ߈ɂA
IȐl̂݋܂B

tB^[̖O :	filter name
Ot̕WAt@CɎgp܂B

ȏݒ肵Ao͍ڂLIт܂B

dlƐ݌v`B֐: spec
U :		gain
Qx :		delay

āAOtɕ\(xgraph)܂́At@C(file)ɕۑ܂B
t@ĆAtB^[Ɏ̃TtBbNXt̂łB
AAsufix́AKvɉ command line option܂́A
application resourceŁAύXł܂B

item		option		resource	default
--------------------------------------------------------
spec		-ssuf 		Ssuf		dgf
gain		-gsuf		Gsuf		frq
group		-dsuf		Dsuf		dly
--------------------------------------------------------
xgraph́AKvɉ艽łJ܂̂ŁA
p[^ωA]̓܂ŁA
gCł܂B

xgraph̋@\gY[~On[hRs[邱Ƃo܂B
AcOȂƂxgraph́AX11 distributionɂ͊܂܂܂̂ŁA
ĂȂ}V܂B

comp.sources.xɗꂽ̂Aftp siteɂ̂ŁA
邱Ƃ߂܂AP̍ƂāA
graph + plot + tek mode xtermg@ƁA
gnuplotg@܂B

./graph̉ɂdf_graph.script, df_gplt.c͂̂߂̃tB^[łB
make installƂł́A$(BINDIR)/df_graph, $(BINDIR)/df_gplt
܂B

܂̖ړÎ߂ɁANׂOt\vOA
option, resourceŕύXł܂B

option: -graph, resource: Graph

ۂ̉pł́Â悤ɂȂ܂B

xdigfil -graph df_graph	# graph + plot + tek mode xterm
xdigfil -graph df_gplt	# gnuplot

./toolɂvÓAxdigfiľʂ𗘗pTvłB
CXg[͂܂̂ŁA./toolɈړ
makeĂB
ڍׂ́A./tool/README.jɏĂ܂B

̃vÓAGPL (GNU General Public License)Ɠ
ŁARɃRs[Eł܂B
܂ÃvÓAS⏞Œ񋟂܂B
^p͉^pҖ{l̐ӔCōsĂB

GPL̏ڍׂɂĂ
    Free Software Foundation, Inc.
    675 Mass Ave, Cambridge, MA 02139, USA
ɂ₢킹B

̊mF́Åōs܂B
Sony NWS-841 NewsOS4.1C (X11R4)
Sun IPC      SunOS 4.1.2 + JLE 1.1.2 + X11R5
Sun IPC	     SunOS 4.1.1 + (JLE 1.1.2|JLE 1.1.1) + X11R5
Sun IPX      SunOS 4.1.1 + X11R5
Sun SS2      SunOS 4.1.1 + JLE 1.1.1 Rev.B + X11R5
Sun SS 20    SunOS 4.1.4-JLE1.1.4 + X11R6
PC/AT݊@  Linux (RHL4.2) + X11R6
#AAX11 athena widget sample programcompileoԂɒ

bugAhucḱA}܂B
mac@research.co.jpɂm点B

ŌɂȂ܂A
xdigfil̃[XɂA̕ɋ͂Ă܂B

قƂǎɂłグĂ܂xdigfil ML̊FɊӂ܂B

҂̗wHwdqHw
m@@搶́A
w̃~VKB胊[XĂ܂B
ۂdigfilvO~Oꂽ̊Fɂ\グ܂B

̃[XpbP[ẂAH Hw{ @
i] FK(nagae@an.isl.titech.ac.jp)ɂ
`FbNĂȂA쐬܂B
oŏłZ肪Ƃ܂B

# ȏLAhX́A1992N1124ɏo[WA
# Ĵ̂ł̂ŁǍύXꂽ̂܂܂܂B
------------------------------------------------------------------

XɌJ琔No߂ASeiXĂȂԂɂȂĂ܂A
1998N12Axmʂ̍ (sakurai@ed.fujitsu.co.jp)A
IIR̃XP[OAXDigfil{̂Ɏ荞ށAGnuplotpGUIA
A낢cĂbugfixAPatch𑗂Ă܂B
ČJɎ̂́Ãpb`̂łB
