id sid tid token lemma pos 47429882s5v 1 1 the the DET 47429882s5v 1 2 unsteady unsteady ADJ 47429882s5v 1 3 pressure pressure NOUN 47429882s5v 1 4 and and CCONJ 47429882s5v 1 5 optical optical ADJ 47429882s5v 1 6 properties property NOUN 47429882s5v 1 7 of of ADP 47429882s5v 1 8 subsonic subsonic ADJ 47429882s5v 1 9 flow flow NOUN 47429882s5v 1 10 over over ADP 47429882s5v 1 11 open open ADJ 47429882s5v 1 12 and and CCONJ 47429882s5v 1 13 partially partially ADV 47429882s5v 1 14 covered cover VERB 47429882s5v 1 15 rectangular rectangular ADJ 47429882s5v 1 16 cavities cavity NOUN 47429882s5v 1 17 were be AUX 47429882s5v 1 18 investigated investigate VERB 47429882s5v 1 19 through through ADP 47429882s5v 1 20 a a DET 47429882s5v 1 21 series series NOUN 47429882s5v 1 22 of of ADP 47429882s5v 1 23 wind wind NOUN 47429882s5v 1 24 - - PUNCT 47429882s5v 1 25 tunnel tunnel NOUN 47429882s5v 1 26 experiments experiment NOUN 47429882s5v 1 27 . . PUNCT 47429882s5v 2 1 when when SCONJ 47429882s5v 2 2 the the DET 47429882s5v 2 3 cavity cavity NOUN 47429882s5v 2 4 was be AUX 47429882s5v 2 5 open open ADJ 47429882s5v 2 6 , , PUNCT 47429882s5v 2 7 the the DET 47429882s5v 2 8 well well ADV 47429882s5v 2 9 known known ADJ 47429882s5v 2 10 " " PUNCT 47429882s5v 2 11 rossiter rossiter ADJ 47429882s5v 2 12 " " PUNCT 47429882s5v 2 13 modes mode NOUN 47429882s5v 2 14 were be AUX 47429882s5v 2 15 excited excite VERB 47429882s5v 2 16 , , PUNCT 47429882s5v 2 17 but but CCONJ 47429882s5v 2 18 when when SCONJ 47429882s5v 2 19 the the DET 47429882s5v 2 20 cavity cavity NOUN 47429882s5v 2 21 was be AUX 47429882s5v 2 22 partially partially ADV 47429882s5v 2 23 covered cover VERB 47429882s5v 2 24 , , PUNCT 47429882s5v 2 25 peak peak NOUN 47429882s5v 2 26 frequencies frequency NOUN 47429882s5v 2 27 arose arise VERB 47429882s5v 2 28 which which PRON 47429882s5v 2 29 were be AUX 47429882s5v 2 30 lower low ADJ 47429882s5v 2 31 than than ADP 47429882s5v 2 32 the the DET 47429882s5v 2 33 rossiter rossiter NOUN 47429882s5v 2 34 modes mode NOUN 47429882s5v 2 35 for for ADP 47429882s5v 2 36 a a DET 47429882s5v 2 37 cavity cavity NOUN 47429882s5v 2 38 with with ADP 47429882s5v 2 39 the the DET 47429882s5v 2 40 same same ADJ 47429882s5v 2 41 opening opening NOUN 47429882s5v 2 42 length length NOUN 47429882s5v 2 43 . . PUNCT 47429882s5v 3 1 a a DET 47429882s5v 3 2 new new ADJ 47429882s5v 3 3 " " PUNCT 47429882s5v 3 4 long long ADJ 47429882s5v 3 5 - - PUNCT 47429882s5v 3 6 path path NOUN 47429882s5v 3 7 " " PUNCT 47429882s5v 3 8 frequency frequency NOUN 47429882s5v 3 9 prediction prediction NOUN 47429882s5v 3 10 formula formula NOUN 47429882s5v 3 11 was be AUX 47429882s5v 3 12 developed develop VERB 47429882s5v 3 13 in in ADP 47429882s5v 3 14 order order NOUN 47429882s5v 3 15 to to PART 47429882s5v 3 16 estimate estimate VERB 47429882s5v 3 17 these these DET 47429882s5v 3 18 lower low ADJ 47429882s5v 3 19 frequencies frequency NOUN 47429882s5v 3 20 in in ADP 47429882s5v 3 21 a a DET 47429882s5v 3 22 manner manner NOUN 47429882s5v 3 23 similar similar ADJ 47429882s5v 3 24 to to ADP 47429882s5v 3 25 the the DET 47429882s5v 3 26 rossiter rossiter ADJ 47429882s5v 3 27 formula formula NOUN 47429882s5v 3 28 . . PUNCT 47429882s5v 4 1 when when SCONJ 47429882s5v 4 2 one one NUM 47429882s5v 4 3 of of ADP 47429882s5v 4 4 these these DET 47429882s5v 4 5 new new ADJ 47429882s5v 4 6 " " PUNCT 47429882s5v 4 7 long long ADJ 47429882s5v 4 8 - - PUNCT 47429882s5v 4 9 path path NOUN 47429882s5v 4 10 " " PUNCT 47429882s5v 4 11 mode mode NOUN 47429882s5v 4 12 frequencies frequency NOUN 47429882s5v 4 13 coincided coincide VERB 47429882s5v 4 14 with with ADP 47429882s5v 4 15 the the DET 47429882s5v 4 16 natural natural ADJ 47429882s5v 4 17 frequency frequency NOUN 47429882s5v 4 18 of of ADP 47429882s5v 4 19 the the DET 47429882s5v 4 20 cavity cavity NOUN 47429882s5v 4 21 , , PUNCT 47429882s5v 4 22 the the DET 47429882s5v 4 23 shear shear NOUN 47429882s5v 4 24 - - PUNCT 47429882s5v 4 25 layer layer NOUN 47429882s5v 4 26 motions motion NOUN 47429882s5v 4 27 were be AUX 47429882s5v 4 28 dominated dominate VERB 47429882s5v 4 29 by by ADP 47429882s5v 4 30 a a DET 47429882s5v 4 31 resonant resonant ADJ 47429882s5v 4 32 frequency frequency NOUN 47429882s5v 4 33 . . PUNCT 47429882s5v 5 1 phase phase NOUN 47429882s5v 5 2 - - PUNCT 47429882s5v 5 3 averaged average VERB 47429882s5v 5 4 schlieren schlieren ADJ 47429882s5v 5 5 images image NOUN 47429882s5v 5 6 were be AUX 47429882s5v 5 7 used use VERB 47429882s5v 5 8 to to PART 47429882s5v 5 9 examine examine VERB 47429882s5v 5 10 the the DET 47429882s5v 5 11 suitability suitability NOUN 47429882s5v 5 12 of of ADP 47429882s5v 5 13 these these DET 47429882s5v 5 14 resonant resonant ADJ 47429882s5v 5 15 shear shear NOUN 47429882s5v 5 16 - - PUNCT 47429882s5v 5 17 layer layer NOUN 47429882s5v 5 18 motions motion NOUN 47429882s5v 5 19 for for ADP 47429882s5v 5 20 aero aero NOUN 47429882s5v 5 21 - - PUNCT 47429882s5v 5 22 optic optic NOUN 47429882s5v 5 23 applications application NOUN 47429882s5v 5 24 . . PUNCT 47429882s5v 6 1 additionally additionally ADV 47429882s5v 6 2 , , PUNCT 47429882s5v 6 3 the the DET 47429882s5v 6 4 acquisition acquisition NOUN 47429882s5v 6 5 of of ADP 47429882s5v 6 6 time time NOUN 47429882s5v 6 7 - - PUNCT 47429882s5v 6 8 resolved resolve VERB 47429882s5v 6 9 schlieren schlieren ADJ 47429882s5v 6 10 images image NOUN 47429882s5v 6 11 of of ADP 47429882s5v 6 12 the the DET 47429882s5v 6 13 shear shear ADJ 47429882s5v 6 14 layer layer NOUN 47429882s5v 6 15 allowed allow VERB 47429882s5v 6 16 the the DET 47429882s5v 6 17 development development NOUN 47429882s5v 6 18 of of ADP 47429882s5v 6 19 a a DET 47429882s5v 6 20 novel novel ADJ 47429882s5v 6 21 form form NOUN 47429882s5v 6 22 of of ADP 47429882s5v 6 23 schlieren schlieren ADJ 47429882s5v 6 24 velocimetry velocimetry NOUN 47429882s5v 6 25 , , PUNCT 47429882s5v 6 26 which which PRON 47429882s5v 6 27 revealed reveal VERB 47429882s5v 6 28 that that SCONJ 47429882s5v 6 29 coherent coherent ADJ 47429882s5v 6 30 optical optical ADJ 47429882s5v 6 31 structures structure NOUN 47429882s5v 6 32 in in ADP 47429882s5v 6 33 the the DET 47429882s5v 6 34 shear shear ADJ 47429882s5v 6 35 layer layer NOUN 47429882s5v 6 36 traverse traverse VERB 47429882s5v 6 37 the the DET 47429882s5v 6 38 length length NOUN 47429882s5v 6 39 of of ADP 47429882s5v 6 40 the the DET 47429882s5v 6 41 cavity cavity NOUN 47429882s5v 6 42 at at ADP 47429882s5v 6 43 speeds speed NOUN 47429882s5v 6 44 lower low ADJ 47429882s5v 6 45 than than ADP 47429882s5v 6 46 those those PRON 47429882s5v 6 47 presupposed presuppose VERB 47429882s5v 6 48 by by ADP 47429882s5v 6 49 the the DET 47429882s5v 6 50 rossiter rossiter NOUN 47429882s5v 6 51 or or CCONJ 47429882s5v 6 52 long long ADJ 47429882s5v 6 53 - - PUNCT 47429882s5v 6 54 path path NOUN 47429882s5v 6 55 formulations formulation NOUN 47429882s5v 6 56 . . PUNCT