id sid tid token lemma pos 7d278s48t31 1 1 this this DET 7d278s48t31 1 2 study study NOUN 7d278s48t31 1 3 is be AUX 7d278s48t31 1 4 aimed aim VERB 7d278s48t31 1 5 at at ADP 7d278s48t31 1 6 numerically numerically ADV 7d278s48t31 1 7 predicting predict VERB 7d278s48t31 1 8 the the DET 7d278s48t31 1 9 noise noise NOUN 7d278s48t31 1 10 of of ADP 7d278s48t31 1 11 rotor rotor NOUN 7d278s48t31 1 12 ingesting ingest VERB 7d278s48t31 1 13 a a DET 7d278s48t31 1 14 thick thick ADJ 7d278s48t31 1 15 turbulent turbulent ADJ 7d278s48t31 1 16 boundary boundary ADJ 7d278s48t31 1 17 layer layer NOUN 7d278s48t31 1 18 at at ADP 7d278s48t31 1 19 the the DET 7d278s48t31 1 20 tail tail NOUN 7d278s48t31 1 21 end end NOUN 7d278s48t31 1 22 of of ADP 7d278s48t31 1 23 an an DET 7d278s48t31 1 24 axisymmetric axisymmetric ADJ 7d278s48t31 1 25 body body NOUN 7d278s48t31 1 26 of of ADP 7d278s48t31 1 27 revolution revolution NOUN 7d278s48t31 1 28 ( ( PUNCT 7d278s48t31 1 29 bor bor PROPN 7d278s48t31 1 30 ) ) PUNCT 7d278s48t31 1 31 and and CCONJ 7d278s48t31 1 32 elucidating elucidate VERB 7d278s48t31 1 33 the the DET 7d278s48t31 1 34 noise noise NOUN 7d278s48t31 1 35 source source NOUN 7d278s48t31 1 36 mechanisms mechanism NOUN 7d278s48t31 1 37 . . PUNCT 7d278s48t31 2 1 the the DET 7d278s48t31 2 2 bor bor NOUN 7d278s48t31 2 3 consists consist VERB 7d278s48t31 2 4 of of ADP 7d278s48t31 2 5 an an DET 7d278s48t31 2 6 ellipsoidal ellipsoidal ADJ 7d278s48t31 2 7 nose nose NOUN 7d278s48t31 2 8 , , PUNCT 7d278s48t31 2 9 a a DET 7d278s48t31 2 10 cylindrical cylindrical ADJ 7d278s48t31 2 11 centerbody centerbody NOUN 7d278s48t31 2 12 and and CCONJ 7d278s48t31 2 13 a a DET 7d278s48t31 2 14 tail tail NOUN 7d278s48t31 2 15 cone cone NOUN 7d278s48t31 2 16 with with ADP 7d278s48t31 2 17 a a DET 7d278s48t31 2 18 half half ADJ 7d278s48t31 2 19 - - PUNCT 7d278s48t31 2 20 apex apex ADJ 7d278s48t31 2 21 angle angle NOUN 7d278s48t31 2 22 of of ADP 7d278s48t31 2 23 20 20 NUM 7d278s48t31 2 24 degrees degree NOUN 7d278s48t31 2 25 , , PUNCT 7d278s48t31 2 26 and and CCONJ 7d278s48t31 2 27 is be AUX 7d278s48t31 2 28 at at ADP 7d278s48t31 2 29 reynolds reynold NOUN 7d278s48t31 2 30 number number NOUN 7d278s48t31 2 31 of of ADP 7d278s48t31 2 32 1.9 1.9 NUM 7d278s48t31 2 33 million million NUM 7d278s48t31 2 34 based base VERB 7d278s48t31 2 35 on on ADP 7d278s48t31 2 36 its its PRON 7d278s48t31 2 37 length length NOUN 7d278s48t31 2 38 . . PUNCT 7d278s48t31 3 1 a a DET 7d278s48t31 3 2 large large ADJ 7d278s48t31 3 3 - - PUNCT 7d278s48t31 3 4 eddy eddy NOUN 7d278s48t31 3 5 simulation simulation NOUN 7d278s48t31 3 6 ( ( PUNCT 7d278s48t31 3 7 les les X 7d278s48t31 3 8 ) ) PUNCT 7d278s48t31 3 9 methodology methodology NOUN 7d278s48t31 3 10 that that PRON 7d278s48t31 3 11 involves involve VERB 7d278s48t31 3 12 wall wall NOUN 7d278s48t31 3 13 - - PUNCT 7d278s48t31 3 14 modeling modeling NOUN 7d278s48t31 3 15 in in ADP 7d278s48t31 3 16 the the DET 7d278s48t31 3 17 nose nose NOUN 7d278s48t31 3 18 and and CCONJ 7d278s48t31 3 19 centerbody centerbody NOUN 7d278s48t31 3 20 sections section NOUN 7d278s48t31 3 21 of of ADP 7d278s48t31 3 22 the the DET 7d278s48t31 3 23 bor bor NOUN 7d278s48t31 4 1 but but CCONJ 7d278s48t31 4 2 is be AUX 7d278s48t31 4 3 wall wall NOUN 7d278s48t31 4 4 - - PUNCT 7d278s48t31 4 5 resolved resolve VERB 7d278s48t31 4 6 in in ADP 7d278s48t31 4 7 the the DET 7d278s48t31 4 8 tail tail NOUN 7d278s48t31 4 9 - - PUNCT 7d278s48t31 4 10 cone cone NOUN 7d278s48t31 4 11 section section NOUN 7d278s48t31 4 12 is be AUX 7d278s48t31 4 13 employed employ VERB 7d278s48t31 4 14 to to PART 7d278s48t31 4 15 compute compute VERB 7d278s48t31 4 16 the the DET 7d278s48t31 4 17 turbulent turbulent ADJ 7d278s48t31 4 18 flow flow NOUN 7d278s48t31 4 19 field field NOUN 7d278s48t31 4 20 . . PUNCT 7d278s48t31 5 1 this this DET 7d278s48t31 5 2 approach approach NOUN 7d278s48t31 5 3 is be AUX 7d278s48t31 5 4 validated validate VERB 7d278s48t31 5 5 by by ADP 7d278s48t31 5 6 comparisons comparison NOUN 7d278s48t31 5 7 of of ADP 7d278s48t31 5 8 velocity velocity NOUN 7d278s48t31 5 9 statistics statistic NOUN 7d278s48t31 5 10 with with ADP 7d278s48t31 5 11 the the DET 7d278s48t31 5 12 experimental experimental ADJ 7d278s48t31 5 13 data datum NOUN 7d278s48t31 5 14 from from ADP 7d278s48t31 5 15 virginia virginia PROPN 7d278s48t31 5 16 tech tech PROPN 7d278s48t31 5 17 ( ( PUNCT 7d278s48t31 5 18 hickling hickle VERB 7d278s48t31 5 19 et et PROPN 7d278s48t31 5 20 al al PROPN 7d278s48t31 5 21 . . PROPN 7d278s48t31 5 22 , , PUNCT 7d278s48t31 5 23 aiaa-2019 aiaa-2019 SPACE 7d278s48t31 5 24 - - SYM 7d278s48t31 5 25 2571 2571 NUM 7d278s48t31 5 26 ) ) PUNCT 7d278s48t31 5 27 and and CCONJ 7d278s48t31 5 28 the the DET 7d278s48t31 5 29 results result NOUN 7d278s48t31 5 30 from from ADP 7d278s48t31 5 31 a a DET 7d278s48t31 5 32 wall wall NOUN 7d278s48t31 5 33 - - PUNCT 7d278s48t31 5 34 resolved resolve VERB 7d278s48t31 5 35 les les X 7d278s48t31 5 36 in in ADP 7d278s48t31 5 37 a a DET 7d278s48t31 5 38 bor bor NOUN 7d278s48t31 5 39 flow flow NOUN 7d278s48t31 5 40 without without ADP 7d278s48t31 5 41 a a DET 7d278s48t31 5 42 rotor rotor NOUN 7d278s48t31 5 43 . . PUNCT 7d278s48t31 6 1 the the DET 7d278s48t31 6 2 evolution evolution NOUN 7d278s48t31 6 3 of of ADP 7d278s48t31 6 4 flow flow NOUN 7d278s48t31 6 5 statistics statistic NOUN 7d278s48t31 6 6 and and CCONJ 7d278s48t31 6 7 structures structure NOUN 7d278s48t31 6 8 in in ADP 7d278s48t31 6 9 the the DET 7d278s48t31 6 10 tail tail NOUN 7d278s48t31 6 11 - - PUNCT 7d278s48t31 6 12 cone cone NOUN 7d278s48t31 6 13 boundary boundary ADJ 7d278s48t31 6 14 layer layer NOUN 7d278s48t31 6 15 is be AUX 7d278s48t31 6 16 analyzed analyze VERB 7d278s48t31 6 17 in in ADP 7d278s48t31 6 18 detail detail NOUN 7d278s48t31 6 19 . . PUNCT 7d278s48t31 7 1 the the DET 7d278s48t31 7 2 two two NUM 7d278s48t31 7 3 - - PUNCT 7d278s48t31 7 4 point point NOUN 7d278s48t31 7 5 correlations correlation NOUN 7d278s48t31 7 6 of of ADP 7d278s48t31 7 7 velocity velocity NOUN 7d278s48t31 7 8 fluctuations fluctuation NOUN 7d278s48t31 7 9 and and CCONJ 7d278s48t31 7 10 the the DET 7d278s48t31 7 11 pressure pressure NOUN 7d278s48t31 7 12 fluctuations fluctuation NOUN 7d278s48t31 7 13 on on ADP 7d278s48t31 7 14 the the DET 7d278s48t31 7 15 tail tail NOUN 7d278s48t31 7 16 - - PUNCT 7d278s48t31 7 17 cone cone NOUN 7d278s48t31 7 18 surface surface NOUN 7d278s48t31 7 19 demonstrate demonstrate VERB 7d278s48t31 7 20 significant significant ADJ 7d278s48t31 7 21 growth growth NOUN 7d278s48t31 7 22 of of ADP 7d278s48t31 7 23 length length NOUN 7d278s48t31 7 24 scales scale NOUN 7d278s48t31 7 25 in in ADP 7d278s48t31 7 26 the the DET 7d278s48t31 7 27 downstream downstream ADJ 7d278s48t31 7 28 direction direction NOUN 7d278s48t31 7 29 as as SCONJ 7d278s48t31 7 30 the the DET 7d278s48t31 7 31 boundary boundary ADJ 7d278s48t31 7 32 layer layer NOUN 7d278s48t31 7 33 thickens thicken VERB 7d278s48t31 7 34 under under ADP 7d278s48t31 7 35 strong strong ADJ 7d278s48t31 7 36 adverse adverse ADJ 7d278s48t31 7 37 pressure pressure NOUN 7d278s48t31 7 38 gradient.a gradient.a VERB 7d278s48t31 7 39 hybrid hybrid ADJ 7d278s48t31 7 40 computational computational ADJ 7d278s48t31 7 41 approach approach NOUN 7d278s48t31 7 42 combining combine VERB 7d278s48t31 7 43 the the DET 7d278s48t31 7 44 partially partially ADV 7d278s48t31 7 45 wall wall NOUN 7d278s48t31 7 46 - - PUNCT 7d278s48t31 7 47 modeled model VERB 7d278s48t31 7 48 les le NOUN 7d278s48t31 7 49 with with ADP 7d278s48t31 7 50 the the DET 7d278s48t31 7 51 ffowcs ffowcs PROPN 7d278s48t31 7 52 williams williams PROPN 7d278s48t31 7 53 - - PUNCT 7d278s48t31 7 54 hawkings hawkings PROPN 7d278s48t31 7 55 equation equation NOUN 7d278s48t31 7 56 is be AUX 7d278s48t31 7 57 employed employ VERB 7d278s48t31 7 58 to to PART 7d278s48t31 7 59 investigate investigate VERB 7d278s48t31 7 60 the the DET 7d278s48t31 7 61 noise noise NOUN 7d278s48t31 7 62 generation generation NOUN 7d278s48t31 7 63 from from ADP 7d278s48t31 7 64 a a DET 7d278s48t31 7 65 five five NUM 7d278s48t31 7 66 - - PUNCT 7d278s48t31 7 67 bladed blade VERB 7d278s48t31 7 68 rotor rotor NOUN 7d278s48t31 7 69 operating operate VERB 7d278s48t31 7 70 at at ADP 7d278s48t31 7 71 the the DET 7d278s48t31 7 72 tail tail NOUN 7d278s48t31 7 73 end end NOUN 7d278s48t31 7 74 of of ADP 7d278s48t31 7 75 the the DET 7d278s48t31 7 76 bor bor NOUN 7d278s48t31 7 77 . . PUNCT 7d278s48t31 8 1 two two NUM 7d278s48t31 8 2 rotor rotor NOUN 7d278s48t31 8 3 advance advance NOUN 7d278s48t31 8 4 ratios ratio NOUN 7d278s48t31 8 5 , , PUNCT 7d278s48t31 8 6 1.44 1.44 NUM 7d278s48t31 8 7 and and CCONJ 7d278s48t31 8 8 1.13 1.13 NUM 7d278s48t31 8 9 , , PUNCT 7d278s48t31 8 10 are be AUX 7d278s48t31 8 11 considered consider VERB 7d278s48t31 8 12 . . PUNCT 7d278s48t31 9 1 the the DET 7d278s48t31 9 2 computed computed ADJ 7d278s48t31 9 3 sound sound NOUN 7d278s48t31 9 4 pressure pressure NOUN 7d278s48t31 9 5 spectra spectra NOUN 7d278s48t31 9 6 exhibit exhibit VERB 7d278s48t31 9 7 reasonable reasonable ADJ 7d278s48t31 9 8 agreement agreement NOUN 7d278s48t31 9 9 with with ADP 7d278s48t31 9 10 the the DET 7d278s48t31 9 11 experimental experimental ADJ 7d278s48t31 9 12 measurements measurement NOUN 7d278s48t31 9 13 of of ADP 7d278s48t31 9 14 hickling hickle VERB 7d278s48t31 9 15 et et PROPN 7d278s48t31 9 16 al al PROPN 7d278s48t31 9 17 . . PUNCT 7d278s48t31 10 1 ( ( PUNCT 7d278s48t31 10 2 aiaa-2019 aiaa-2019 NOUN 7d278s48t31 10 3 - - SYM 7d278s48t31 10 4 2571 2571 NUM 7d278s48t31 10 5 ) ) PUNCT 7d278s48t31 11 1 at at ADP 7d278s48t31 11 2 free free ADJ 7d278s48t31 11 3 - - PUNCT 7d278s48t31 11 4 stream stream NOUN 7d278s48t31 11 5 mach mach NOUN 7d278s48t31 11 6 number number NOUN 7d278s48t31 11 7 of of ADP 7d278s48t31 11 8 0.059 0.059 NUM 7d278s48t31 11 9 over over ADP 7d278s48t31 11 10 a a DET 7d278s48t31 11 11 wide wide ADJ 7d278s48t31 11 12 range range NOUN 7d278s48t31 11 13 of of ADP 7d278s48t31 11 14 frequencies frequency NOUN 7d278s48t31 11 15 . . PUNCT 7d278s48t31 12 1 the the DET 7d278s48t31 12 2 spectra spectra PROPN 7d278s48t31 12 3 show show VERB 7d278s48t31 12 4 broadband broadband NOUN 7d278s48t31 12 5 noise noise NOUN 7d278s48t31 12 6 with with ADP 7d278s48t31 12 7 haystacking haystacking NOUN 7d278s48t31 12 8 peaks peak NOUN 7d278s48t31 12 9 . . PUNCT 7d278s48t31 13 1 consistent consistent ADJ 7d278s48t31 13 2 with with ADP 7d278s48t31 13 3 experimental experimental ADJ 7d278s48t31 13 4 results result NOUN 7d278s48t31 13 5 , , PUNCT 7d278s48t31 13 6 the the DET 7d278s48t31 13 7 frequencies frequency NOUN 7d278s48t31 13 8 of of ADP 7d278s48t31 13 9 the the DET 7d278s48t31 13 10 haystacking haystacking NOUN 7d278s48t31 13 11 peaks peak NOUN 7d278s48t31 13 12 are be AUX 7d278s48t31 13 13 blue blue ADJ 7d278s48t31 13 14 - - PUNCT 7d278s48t31 13 15 shifted shift VERB 7d278s48t31 13 16 by by ADP 7d278s48t31 13 17 8 8 NUM 7d278s48t31 13 18 - - SYM 7d278s48t31 13 19 12 12 NUM 7d278s48t31 13 20 % % NOUN 7d278s48t31 13 21 from from ADP 7d278s48t31 13 22 the the DET 7d278s48t31 13 23 blade blade NOUN 7d278s48t31 13 24 passing pass VERB 7d278s48t31 13 25 frequency frequency NOUN 7d278s48t31 13 26 and and CCONJ 7d278s48t31 13 27 its its PRON 7d278s48t31 13 28 first first ADJ 7d278s48t31 13 29 three three NUM 7d278s48t31 13 30 harmonics harmonic NOUN 7d278s48t31 13 31 , , PUNCT 7d278s48t31 13 32 and and CCONJ 7d278s48t31 13 33 stronger strong ADJ 7d278s48t31 13 34 sound sound NOUN 7d278s48t31 13 35 is be AUX 7d278s48t31 13 36 produced produce VERB 7d278s48t31 13 37 as as ADP 7d278s48t31 13 38 the the DET 7d278s48t31 13 39 advance advance NOUN 7d278s48t31 13 40 ratio ratio NOUN 7d278s48t31 13 41 decreases decrease NOUN 7d278s48t31 13 42 . . PUNCT 7d278s48t31 14 1 a a DET 7d278s48t31 14 2 mixed mixed ADJ 7d278s48t31 14 3 mach mach NOUN 7d278s48t31 14 4 number number NOUN 7d278s48t31 14 5 scaling scale VERB 7d278s48t31 14 6 for for ADP 7d278s48t31 14 7 the the DET 7d278s48t31 14 8 ingestion ingestion NOUN 7d278s48t31 14 9 noise noise NOUN 7d278s48t31 14 10 is be AUX 7d278s48t31 14 11 identified identify VERB 7d278s48t31 14 12 , , PUNCT 7d278s48t31 14 13 which which PRON 7d278s48t31 14 14 successfully successfully ADV 7d278s48t31 14 15 collapses collapse VERB 7d278s48t31 14 16 the the DET 7d278s48t31 14 17 sound sound ADJ 7d278s48t31 14 18 pressure pressure NOUN 7d278s48t31 14 19 spectra spectra NOUN 7d278s48t31 14 20 for for ADP 7d278s48t31 14 21 the the DET 7d278s48t31 14 22 two two NUM 7d278s48t31 14 23 advance advance NOUN 7d278s48t31 14 24 ratios ratio NOUN 7d278s48t31 14 25 . . PUNCT 7d278s48t31 15 1 an an DET 7d278s48t31 15 2 examination examination NOUN 7d278s48t31 15 3 of of ADP 7d278s48t31 15 4 acoustic acoustic ADJ 7d278s48t31 15 5 dipole dipole NOUN 7d278s48t31 15 6 - - PUNCT 7d278s48t31 15 7 source source NOUN 7d278s48t31 15 8 distributions distribution NOUN 7d278s48t31 15 9 on on ADP 7d278s48t31 15 10 rotor rotor NOUN 7d278s48t31 15 11 blades blade NOUN 7d278s48t31 15 12 reveals reveal VERB 7d278s48t31 15 13 that that SCONJ 7d278s48t31 15 14 the the DET 7d278s48t31 15 15 leading leading ADJ 7d278s48t31 15 16 - - PUNCT 7d278s48t31 15 17 edge edge NOUN 7d278s48t31 15 18 region region NOUN 7d278s48t31 15 19 is be AUX 7d278s48t31 15 20 acoustically acoustically ADV 7d278s48t31 15 21 more more ADV 7d278s48t31 15 22 important important ADJ 7d278s48t31 15 23 at at ADP 7d278s48t31 15 24 low low ADJ 7d278s48t31 15 25 frequencies frequency NOUN 7d278s48t31 15 26 , , PUNCT 7d278s48t31 15 27 whereas whereas SCONJ 7d278s48t31 15 28 the the DET 7d278s48t31 15 29 trailing trail VERB 7d278s48t31 15 30 - - PUNCT 7d278s48t31 15 31 edge edge NOUN 7d278s48t31 15 32 region region NOUN 7d278s48t31 15 33 become become VERB 7d278s48t31 15 34 dominant dominant ADJ 7d278s48t31 15 35 at at ADP 7d278s48t31 15 36 high high ADJ 7d278s48t31 15 37 frequencies frequency NOUN 7d278s48t31 15 38 . . PUNCT 7d278s48t31 16 1 large large ADJ 7d278s48t31 16 2 correlations correlation NOUN 7d278s48t31 16 3 are be AUX 7d278s48t31 16 4 found find VERB 7d278s48t31 16 5 between between ADP 7d278s48t31 16 6 sectional sectional ADJ 7d278s48t31 16 7 dipole dipole NOUN 7d278s48t31 16 8 sources source NOUN 7d278s48t31 16 9 on on ADP 7d278s48t31 16 10 neighboring neighboring NOUN 7d278s48t31 16 11 blades blade NOUN 7d278s48t31 16 12 , , PUNCT 7d278s48t31 16 13 and and CCONJ 7d278s48t31 16 14 the the DET 7d278s48t31 16 15 corresponding correspond VERB 7d278s48t31 16 16 blade blade NOUN 7d278s48t31 16 17 - - PUNCT 7d278s48t31 16 18 to to ADP 7d278s48t31 16 19 - - PUNCT 7d278s48t31 16 20 blade blade NOUN 7d278s48t31 16 21 coherence coherence NOUN 7d278s48t31 16 22 is be AUX 7d278s48t31 16 23 significant significant ADJ 7d278s48t31 16 24 at at ADP 7d278s48t31 16 25 the the DET 7d278s48t31 16 26 frequencies frequency NOUN 7d278s48t31 16 27 of of ADP 7d278s48t31 16 28 haystacking haystacking NOUN 7d278s48t31 16 29 peaks peak NOUN 7d278s48t31 16 30 and and CCONJ 7d278s48t31 16 31 valleys valley NOUN 7d278s48t31 16 32 between between ADP 7d278s48t31 16 33 these these DET 7d278s48t31 16 34 peaks peak NOUN 7d278s48t31 16 35 . . PUNCT 7d278s48t31 17 1 the the DET 7d278s48t31 17 2 blade blade NOUN 7d278s48t31 17 3 - - PUNCT 7d278s48t31 17 4 to to ADP 7d278s48t31 17 5 - - PUNCT 7d278s48t31 17 6 blade blade NOUN 7d278s48t31 17 7 correlations correlation NOUN 7d278s48t31 17 8 and and CCONJ 7d278s48t31 17 9 coherence coherence NOUN 7d278s48t31 17 10 are be AUX 7d278s48t31 17 11 related relate VERB 7d278s48t31 17 12 to to ADP 7d278s48t31 17 13 successive successive ADJ 7d278s48t31 17 14 blades blade NOUN 7d278s48t31 17 15 cutting cut VERB 7d278s48t31 17 16 through through ADP 7d278s48t31 17 17 the the DET 7d278s48t31 17 18 same same ADJ 7d278s48t31 17 19 coherent coherent ADJ 7d278s48t31 17 20 turbulence turbulence NOUN 7d278s48t31 17 21 structure structure NOUN 7d278s48t31 17 22 and and CCONJ 7d278s48t31 17 23 are be AUX 7d278s48t31 17 24 the the DET 7d278s48t31 17 25 source source NOUN 7d278s48t31 17 26 of of ADP 7d278s48t31 17 27 haystacking haystacke VERB 7d278s48t31 17 28 acoustic acoustic ADJ 7d278s48t31 17 29 peaks peak NOUN 7d278s48t31 17 30 . . PUNCT 7d278s48t31 18 1 the the DET 7d278s48t31 18 2 accuracy accuracy NOUN 7d278s48t31 18 3 of of ADP 7d278s48t31 18 4 the the DET 7d278s48t31 18 5 sears sears PROPN 7d278s48t31 18 6 theory theory NOUN 7d278s48t31 18 7 for for ADP 7d278s48t31 18 8 predicting predict VERB 7d278s48t31 18 9 the the DET 7d278s48t31 18 10 rotor rotor NOUN 7d278s48t31 18 11 noise noise NOUN 7d278s48t31 18 12 is be AUX 7d278s48t31 18 13 evaluated evaluate VERB 7d278s48t31 18 14 using use VERB 7d278s48t31 18 15 the the DET 7d278s48t31 18 16 upwash upwash ADJ 7d278s48t31 18 17 velocity velocity NOUN 7d278s48t31 18 18 field field NOUN 7d278s48t31 18 19 from from ADP 7d278s48t31 18 20 the the DET 7d278s48t31 18 21 les les X 7d278s48t31 18 22 . . PUNCT 7d278s48t31 19 1 the the DET 7d278s48t31 19 2 sears sears PROPN 7d278s48t31 19 3 theory theory NOUN 7d278s48t31 19 4 accurately accurately ADV 7d278s48t31 19 5 predicts predict VERB 7d278s48t31 19 6 the the DET 7d278s48t31 19 7 haystacking haystacking NOUN 7d278s48t31 19 8 peaks peak NOUN 7d278s48t31 19 9 in in ADP 7d278s48t31 19 10 the the DET 7d278s48t31 19 11 sound sound ADJ 7d278s48t31 19 12 pressure pressure NOUN 7d278s48t31 19 13 spectra spectra ADJ 7d278s48t31 19 14 , , PUNCT 7d278s48t31 19 15 but but CCONJ 7d278s48t31 19 16 the the DET 7d278s48t31 19 17 accuracy accuracy NOUN 7d278s48t31 19 18 deteriorates deteriorate VERB 7d278s48t31 19 19 at at ADP 7d278s48t31 19 20 higher high ADJ 7d278s48t31 19 21 frequencies frequency NOUN 7d278s48t31 19 22 . . PUNCT