Synopsis
		sfricker1 < in.rsf > out.rsf frequency= freq=0.2 deriv=n

January 2013 program of the month:
http://ahay.org/blog/2013/01/08/program-of-the-month-sfricker1/

Parameters
		bool deriv=n [y/n] apply a half-order derivative filter   float freq=0.2 peak frequency for Ricker wavelet (as fraction of Nyquist)   float frequency= peak frequency for Ricker wavelet (in Hz)

Used In
		BEI          dpmv/yalei   CUP          rna2d/shot rna2d/simple rna3d/shot rna3d/sin   CWP          geo2006TimeShiftImagingCondition/flat geo2006TimeShiftImagingCondition/icomp geo2007StereographicImagingCondition/flat4 geo2007StereographicImagingCondition/gaus1 geo2007StereographicImagingCondition/sigsbee2 geo2008IsotropicAngleDomainElasticRTM/marm2allA geo2008IsotropicAngleDomainElasticRTM/marm2oneA geo2008NumericWEMVAoperators/flatWEMVA geo2008NumericWEMVAoperators/saltWEMVA geo2009TTIModeSeparation/fold geo2009TTIModeSeparation/marmousi2 geo2009TTIModeSeparation/tti3 geo2009VTIModeSeparation/separate2 geo2009VTIModeSeparation/separate3 geo2009VTIModeSeparation/separate5 geo2009VTIModeSeparation/sigsbee geo2011WideAzimuthAngleDecomposition/flatEICangle jse2006RWEImagingOverturningReflections/sigsbee pept2011MicroearthquakeMonitoring/saf1 pept2011MicroearthquakeMonitoring/saf2 pept2011MicroearthquakeMonitoring/saf3   DATA          amoco/fdmod marmousi/fdmod marmousi2/fdMod pluto/fdmod seam-phase1-2d/compare seam-phase1-2d/sfawefd2d seam-phase1-2d/sfawefd2d_split sigsbee/fdmod2A teapotdome/interp-model   EEG          marchenko/example-cluster   GALLERY          constant/gazdag constant/kirch constant/lowrank constant/oway constant/stolt constant/vc marmousi/model overthrust/model segsalt/model sigsbee/ffd sigsbee/model twohalf/model   GEO384W          hw1/code hw1/wave hw5/lsmig hw5/sigsbee hw6/sigsbee   GPGN658          fdmod/exercise rtmig/exercise   HANSUNG          cgg/syn   JLU          apefsnsep/simplegroll fspfint/curve fspfint/noise_curve lcfs/lcfest txsopf/model txyspfint/curve   M8R          api/afdm   MILANO          taupvel/synth   OSU          shalek/mod2d   RSF          bash/plot reprobook/exam1 reprobook/exam3 reprobook/exam4 rsf/afdm rsf/plot rsf/sfawefd rsf/sfenvelope rsf/sfwiggle rsf/wedge school/complex school/modeling school/single school2012/plot school2015/born school2015/modmig school2016/synth school2017/c++ school2017/c school2017/f90 scons/rsf su/rsffdmod2 su/rsflab5 su/rsfwellrf tutorial2017/radon tutorial2017/synth tutorials/cg tutorials/inv tutorials/rockphysic tutorials/scicolormaps tutorials/tuning tutorials/wedge tutorials/well-tie   SEP          fat/green fat/migration findif/vc3 geostat/dix   SWAG          anisogath/synth itime/syn tau/arte tau/hess tau/iso tau/lens tau/marm waveds/fdmod waveds/fdmodnoSS waveds/svmod   TCCS          apwd/trace asa/dipping asa/simple asa/simpleemd asa/tracesep attr/attr butterfly/synth2D-1-timer butterfly/synth2D-2 butterfly/synth2D-3 butterfly/synth2D-4 dealiase/linear deblend/linear deblend/synthcomplex deblend/synthhyper decomp/frenchtri decomp/homoortho decomp/homotri dlchan/testing dlchan/thin dsd/conflict dsd/demo dsd/demo2 dsd/demo3.1perc dtwaniso/dtw-example elas/french-dc elas/gradient elas/homomono3d elas/homotric3d-dc elas/homotric3d elas/twolayer3d emdpf/dipfilter ffd/anisotropic ffd/bpmodel ffd/bptti ffd/ffd fraclapl/diffq fraclapl/marmq fraclapl/twolayer fwiseislet/blend fwiseislet/encoding-spar fwiseislet/encoding fwiseislet/noise-spar fwiseislet/noise fwiseislet/timedomain fwiseislet/wavelet gmresq/bpgas group3/bptti group3/tiltorthocompare halfthr/hyper halfthr/linear intshape/fsyn lfd/aniso lfd/bp lfd/bptti lfd/twod lowrank/aniso lowrank/bp lowrank/bptti lowrank/fio lowrank/fowler lowrank/impres lowrank/threed lpf/simon nmo3/azimuthtest nmodeblend/timespace onestep/abc onestep/bptti onestep/bptti2 onestep/fio1d onestep/fowler onestep/grad onestep/grad2 onestep/tiltorth optapert/depthMig ortho/orthocomplex ortho/orthocsimul orthorhombic/orth orthorhombic/test orthorhombic/tiltn pcastack/synth phase/nonstat phase/signal phase/zero reversible/nscnmo scan3/fourevents scan3/noncwavg-1 seislet/diplet seislet/plane sglowrank/avo sglowrank/bp3 sglowrank/mms1d-all-vv sglowrank/mms1d-dt-vv sglowrank/mms1d-dx-vv sglowrank/mms1d-fre sglowrank/tlayer3 shemd/hyperoil simistack/similarity simistack/simple specrecom/ricker stackadcig/flat stackadcig/simple svmf/test svmf/testnoise svmf/timespatial svscan/simi synth/ordexample20hz synth/small-khuff timefreq/syn timelapse/long1 timelapse/timelapse vscan/weight welllogs/synthetic-example   TRIP          pscons/project test/flat   UH          avostack/synh avostack/synl   UWA          geo2013ElasticModellingGPU/bp2d geo2013ElasticModellingGPU/homo3d geo2013ElasticModellingGPU/hti3d geo2013ElasticModellingGPU/test2d geo2013ElasticModellingGPU/test3d   XJTU          test/fpocs2d test/lsinterp2d test/marmousi test/mwni2d test/pocs5d test/sigsbee   ZJU          odrr3d/hyp3d odrr3d/hyp3d_N20 qrtm/marm sosvmf/hyper