id	sid	tid	token	lemma	pos
9s161546d84	1	1	aero	aero	NOUN
9s161546d84	1	2	-	-	PUNCT
9s161546d84	1	3	optical	optical	ADJ
9s161546d84	1	4	aberrations	aberration	NOUN
9s161546d84	1	5	associated	associate	VERB
9s161546d84	1	6	with	with	ADP
9s161546d84	1	7	turbulent	turbulent	ADJ
9s161546d84	1	8	compressible	compressible	ADJ
9s161546d84	1	9	flow	flow	NOUN
9s161546d84	1	10	fields	field	NOUN
9s161546d84	1	11	can	can	AUX
9s161546d84	1	12	seriously	seriously	ADV
9s161546d84	1	13	degrade	degrade	VERB
9s161546d84	1	14	the	the	DET
9s161546d84	1	15	performance	performance	NOUN
9s161546d84	1	16	of	of	ADP
9s161546d84	1	17	an	an	DET
9s161546d84	1	18	optical	optical	ADJ
9s161546d84	1	19	system	system	NOUN
9s161546d84	1	20	;	;	PUNCT
9s161546d84	1	21	the	the	DET
9s161546d84	1	22	effect	effect	NOUN
9s161546d84	1	23	of	of	ADP
9s161546d84	1	24	these	these	DET
9s161546d84	1	25	aberrations	aberration	NOUN
9s161546d84	1	26	increases	increase	VERB
9s161546d84	1	27	as	as	SCONJ
9s161546d84	1	28	the	the	DET
9s161546d84	1	29	wavelength	wavelength	NOUN
9s161546d84	1	30	of	of	ADP
9s161546d84	1	31	the	the	DET
9s161546d84	1	32	transiting	transit	VERB
9s161546d84	1	33	light	light	NOUN
9s161546d84	1	34	becomes	become	VERB
9s161546d84	1	35	shorter	short	ADJ
9s161546d84	1	36	,	,	PUNCT
9s161546d84	1	37	and	and	CCONJ
9s161546d84	1	38	so	so	ADV
9s161546d84	1	39	is	be	AUX
9s161546d84	1	40	particularly	particularly	ADV
9s161546d84	1	41	strong	strong	ADJ
9s161546d84	1	42	at	at	ADP
9s161546d84	1	43	visible	visible	ADJ
9s161546d84	1	44	and	and	CCONJ
9s161546d84	1	45	near	near	ADV
9s161546d84	1	46	-	-	PUNCT
9s161546d84	1	47	infrared	infrared	ADJ
9s161546d84	1	48	wavelengths	wavelength	NOUN
9s161546d84	1	49	.	.	PUNCT
9s161546d84	2	1	these	these	DET
9s161546d84	2	2	aero	aero	NOUN
9s161546d84	2	3	-	-	PUNCT
9s161546d84	2	4	optic	optic	NOUN
9s161546d84	2	5	aberrations	aberration	NOUN
9s161546d84	2	6	originate	originate	VERB
9s161546d84	2	7	from	from	ADP
9s161546d84	2	8	both	both	CCONJ
9s161546d84	2	9	spatialand	spatialand	PROPN
9s161546d84	2	10	temporal	temporal	ADJ
9s161546d84	2	11	-	-	PUNCT
9s161546d84	2	12	variations	variation	NOUN
9s161546d84	2	13	of	of	ADP
9s161546d84	2	14	the	the	DET
9s161546d84	2	15	index	index	NOUN
9s161546d84	2	16	-	-	PUNCT
9s161546d84	2	17	of	of	ADP
9s161546d84	2	18	-	-	PUNCT
9s161546d84	2	19	refraction	refraction	NOUN
9s161546d84	2	20	,	,	PUNCT
9s161546d84	2	21	and	and	CCONJ
9s161546d84	2	22	are	be	AUX
9s161546d84	2	23	associated	associate	VERB
9s161546d84	2	24	with	with	ADP
9s161546d84	2	25	the	the	DET
9s161546d84	2	26	low	low	ADJ
9s161546d84	2	27	-	-	PUNCT
9s161546d84	2	28	pressure	pressure	NOUN
9s161546d84	2	29	cores	core	NOUN
9s161546d84	2	30	and	and	CCONJ
9s161546d84	2	31	concomitant	concomitant	ADJ
9s161546d84	2	32	reduced	reduce	VERB
9s161546d84	2	33	density	density	NOUN
9s161546d84	2	34	within	within	ADP
9s161546d84	2	35	the	the	DET
9s161546d84	2	36	vortical	vortical	ADJ
9s161546d84	2	37	structures	structure	NOUN
9s161546d84	2	38	in	in	ADP
9s161546d84	2	39	certain	certain	ADJ
9s161546d84	2	40	turbulent	turbulent	ADJ
9s161546d84	2	41	flow	flow	NOUN
9s161546d84	2	42	field	field	NOUN
9s161546d84	2	43	such	such	ADJ
9s161546d84	2	44	as	as	ADP
9s161546d84	2	45	free	free	ADJ
9s161546d84	2	46	-	-	PUNCT
9s161546d84	2	47	shear	shear	NOUN
9s161546d84	2	48	layers	layer	NOUN
9s161546d84	2	49	and	and	CCONJ
9s161546d84	2	50	tip	tip	NOUN
9s161546d84	2	51	vortices	vortex	NOUN
9s161546d84	2	52	.	.	PUNCT
9s161546d84	3	1	to	to	ADP
9s161546d84	3	2	date	date	NOUN
9s161546d84	3	3	,	,	PUNCT
9s161546d84	3	4	aero	aero	NOUN
9s161546d84	3	5	-	-	PUNCT
9s161546d84	3	6	optics	optic	NOUN
9s161546d84	3	7	research	research	NOUN
9s161546d84	3	8	has	have	AUX
9s161546d84	3	9	focused	focus	VERB
9s161546d84	3	10	primarily	primarily	ADV
9s161546d84	3	11	on	on	ADP
9s161546d84	3	12	fixed	fix	VERB
9s161546d84	3	13	-	-	PUNCT
9s161546d84	3	14	wing	wing	NOUN
9s161546d84	3	15	aircraft	aircraft	NOUN
9s161546d84	3	16	travelling	travel	VERB
9s161546d84	3	17	at	at	ADP
9s161546d84	3	18	compressible	compressible	ADJ
9s161546d84	3	19	-	-	PUNCT
9s161546d84	3	20	flow	flow	NOUN
9s161546d84	3	21	speeds	speed	NOUN
9s161546d84	3	22	,	,	PUNCT
9s161546d84	3	23	where	where	SCONJ
9s161546d84	3	24	compressible	compressible	ADJ
9s161546d84	3	25	shear	shear	ADJ
9s161546d84	3	26	layers	layer	NOUN
9s161546d84	3	27	and	and	CCONJ
9s161546d84	3	28	turbulent	turbulent	ADJ
9s161546d84	3	29	boundary	boundary	ADJ
9s161546d84	3	30	layers	layer	NOUN
9s161546d84	3	31	are	be	AUX
9s161546d84	3	32	the	the	DET
9s161546d84	3	33	dominant	dominant	ADJ
9s161546d84	3	34	source	source	NOUN
9s161546d84	3	35	of	of	ADP
9s161546d84	3	36	aero	aero	NOUN
9s161546d84	3	37	-	-	PUNCT
9s161546d84	3	38	optic	optic	NOUN
9s161546d84	3	39	aberrations	aberration	NOUN
9s161546d84	3	40	.	.	PUNCT
9s161546d84	4	1	helicopter	helicopter	NOUN
9s161546d84	4	2	platforms	platform	NOUN
9s161546d84	4	3	,	,	PUNCT
9s161546d84	4	4	on	on	ADP
9s161546d84	4	5	the	the	DET
9s161546d84	4	6	other	other	ADJ
9s161546d84	4	7	hand	hand	NOUN
9s161546d84	4	8	,	,	PUNCT
9s161546d84	4	9	operate	operate	VERB
9s161546d84	4	10	at	at	ADP
9s161546d84	4	11	much	much	ADV
9s161546d84	4	12	lower	low	ADJ
9s161546d84	4	13	mach	mach	NOUN
9s161546d84	4	14	numbers	number	NOUN
9s161546d84	4	15	(	(	PUNCT
9s161546d84	4	16	m<0.3	m<0.3	X
9s161546d84	4	17	)	)	PUNCT
9s161546d84	4	18	and	and	CCONJ
9s161546d84	4	19	are	be	AUX
9s161546d84	4	20	actually	actually	ADV
9s161546d84	4	21	best	well	ADV
9s161546d84	4	22	suited	suit	VERB
9s161546d84	4	23	for	for	ADP
9s161546d84	4	24	hover	hover	NOUN
9s161546d84	4	25	.	.	PUNCT
9s161546d84	5	1	in	in	ADP
9s161546d84	5	2	this	this	DET
9s161546d84	5	3	case	case	NOUN
9s161546d84	5	4	,	,	PUNCT
9s161546d84	5	5	the	the	DET
9s161546d84	5	6	optical	optical	ADJ
9s161546d84	5	7	aberrations	aberration	NOUN
9s161546d84	5	8	produced	produce	VERB
9s161546d84	5	9	from	from	ADP
9s161546d84	5	10	shear	shear	ADJ
9s161546d84	5	11	-	-	PUNCT
9s161546d84	5	12	layer	layer	NOUN
9s161546d84	5	13	or	or	CCONJ
9s161546d84	5	14	turbulent	turbulent	ADJ
9s161546d84	5	15	boundary	boundary	ADJ
9s161546d84	5	16	-	-	PUNCT
9s161546d84	5	17	layer	layer	NOUN
9s161546d84	5	18	flows	flow	NOUN
9s161546d84	5	19	are	be	AUX
9s161546d84	5	20	greatly	greatly	ADV
9s161546d84	5	21	reduced	reduce	VERB
9s161546d84	5	22	or	or	CCONJ
9s161546d84	5	23	eliminated	eliminate	VERB
9s161546d84	5	24	in	in	ADP
9s161546d84	5	25	the	the	DET
9s161546d84	5	26	case	case	NOUN
9s161546d84	5	27	of	of	ADP
9s161546d84	5	28	hover	hover	VERB
9s161546d84	5	29	;	;	PUNCT
9s161546d84	5	30	instead	instead	ADV
9s161546d84	5	31	,	,	PUNCT
9s161546d84	5	32	aero	aero	NOUN
9s161546d84	5	33	-	-	PUNCT
9s161546d84	5	34	optic	optic	NOUN
9s161546d84	5	35	aberrations	aberration	NOUN
9s161546d84	5	36	result	result	VERB
9s161546d84	5	37	primarily	primarily	ADV
9s161546d84	5	38	from	from	ADP
9s161546d84	5	39	the	the	DET
9s161546d84	5	40	wake	wake	NOUN
9s161546d84	5	41	of	of	ADP
9s161546d84	5	42	the	the	DET
9s161546d84	5	43	rotor	rotor	NOUN
9s161546d84	5	44	that	that	PRON
9s161546d84	5	45	can	can	AUX
9s161546d84	5	46	have	have	VERB
9s161546d84	5	47	tip	tip	NOUN
9s161546d84	5	48	speeds	speed	NOUN
9s161546d84	5	49	up	up	ADP
9s161546d84	5	50	to	to	ADP
9s161546d84	5	51	a	a	DET
9s161546d84	5	52	mach	mach	NOUN
9s161546d84	5	53	number	number	NOUN
9s161546d84	5	54	of	of	ADP
9s161546d84	5	55	one	one	NUM
9s161546d84	5	56	.	.	PUNCT
9s161546d84	6	1	the	the	DET
9s161546d84	6	2	tip	tip	NOUN
9s161546d84	6	3	vortices	vortex	NOUN
9s161546d84	6	4	shed	shed	VERB
9s161546d84	6	5	from	from	ADP
9s161546d84	6	6	the	the	DET
9s161546d84	6	7	rotor	rotor	NOUN
9s161546d84	6	8	blades	blade	NOUN
9s161546d84	6	9	,	,	PUNCT
9s161546d84	6	10	have	have	VERB
9s161546d84	6	11	an	an	DET
9s161546d84	6	12	aberrating	aberrate	VERB
9s161546d84	6	13	effect	effect	NOUN
9s161546d84	6	14	similar	similar	ADJ
9s161546d84	6	15	to	to	ADP
9s161546d84	6	16	the	the	DET
9s161546d84	6	17	vortices	vortex	NOUN
9s161546d84	6	18	in	in	ADP
9s161546d84	6	19	a	a	DET
9s161546d84	6	20	compressible	compressible	ADJ
9s161546d84	6	21	shear	shear	NOUN
9s161546d84	6	22	-	-	PUNCT
9s161546d84	6	23	layer	layer	NOUN
9s161546d84	6	24	that	that	PRON
9s161546d84	6	25	forms	form	VERB
9s161546d84	6	26	behind	behind	ADP
9s161546d84	6	27	a	a	DET
9s161546d84	6	28	turret	turret	NOUN
9s161546d84	6	29	on	on	ADP
9s161546d84	6	30	a	a	DET
9s161546d84	6	31	fixed	fix	VERB
9s161546d84	6	32	-	-	PUNCT
9s161546d84	6	33	wing	wing	NOUN
9s161546d84	6	34	aircraft	aircraft	NOUN
9s161546d84	6	35	.	.	PUNCT
9s161546d84	7	1	in	in	ADP
9s161546d84	7	2	this	this	DET
9s161546d84	7	3	dissertation	dissertation	NOUN
9s161546d84	7	4	,	,	PUNCT
9s161546d84	7	5	experimental	experimental	ADJ
9s161546d84	7	6	and	and	CCONJ
9s161546d84	7	7	numerical	numerical	ADJ
9s161546d84	7	8	results	result	NOUN
9s161546d84	7	9	are	be	AUX
9s161546d84	7	10	presented	present	VERB
9s161546d84	7	11	that	that	SCONJ
9s161546d84	7	12	both	both	PRON
9s161546d84	7	13	calibrate	calibrate	VERB
9s161546d84	7	14	and	and	CCONJ
9s161546d84	7	15	validate	validate	VERB
9s161546d84	7	16	a	a	DET
9s161546d84	7	17	scaling	scale	VERB
9s161546d84	7	18	relationship	relationship	NOUN
9s161546d84	7	19	derived	derive	VERB
9s161546d84	7	20	from	from	ADP
9s161546d84	7	21	euler	euler	PROPN
9s161546d84	7	22	's	's	PART
9s161546d84	7	23	equations	equation	NOUN
9s161546d84	7	24	and	and	CCONJ
9s161546d84	7	25	the	the	DET
9s161546d84	7	26	lamb	lamb	PROPN
9s161546d84	7	27	-	-	PUNCT
9s161546d84	7	28	oseen	oseen	PROPN
9s161546d84	7	29	vortex	vortex	PROPN
9s161546d84	7	30	model	model	PROPN
9s161546d84	7	31	.	.	PUNCT
9s161546d84	8	1	extended	extend	VERB
9s161546d84	8	2	numerical	numerical	ADJ
9s161546d84	8	3	simulations	simulation	NOUN
9s161546d84	8	4	of	of	ADP
9s161546d84	8	5	basic	basic	ADJ
9s161546d84	8	6	helicopter	helicopter	NOUN
9s161546d84	8	7	flowfield	flowfield	NOUN
9s161546d84	8	8	features	feature	NOUN
9s161546d84	8	9	were	be	AUX
9s161546d84	8	10	performed	perform	VERB
9s161546d84	8	11	for	for	ADP
9s161546d84	8	12	a	a	DET
9s161546d84	8	13	medium	medium	ADJ
9s161546d84	8	14	-	-	PUNCT
9s161546d84	8	15	sized	sized	ADJ
9s161546d84	8	16	helicopter	helicopter	NOUN
9s161546d84	8	17	both	both	CCONJ
9s161546d84	8	18	in	in	ADP
9s161546d84	8	19	hover	hover	NOUN
9s161546d84	8	20	and	and	CCONJ
9s161546d84	8	21	in	in	ADP
9s161546d84	8	22	forward	forward	ADJ
9s161546d84	8	23	flight	flight	NOUN
9s161546d84	8	24	to	to	PART
9s161546d84	8	25	determine	determine	VERB
9s161546d84	8	26	estimates	estimate	NOUN
9s161546d84	8	27	of	of	ADP
9s161546d84	8	28	the	the	DET
9s161546d84	8	29	spatialand	spatialand	PROPN
9s161546d84	8	30	temporal	temporal	ADJ
9s161546d84	8	31	-	-	PUNCT
9s161546d84	8	32	degradation	degradation	NOUN
9s161546d84	8	33	of	of	ADP
9s161546d84	8	34	a	a	DET
9s161546d84	8	35	collimated	collimate	VERB
9s161546d84	8	36	beam	beam	NOUN
9s161546d84	8	37	traveling	travel	VERB
9s161546d84	8	38	through	through	ADP
9s161546d84	8	39	the	the	DET
9s161546d84	8	40	rotor	rotor	NOUN
9s161546d84	8	41	-	-	PUNCT
9s161546d84	8	42	blade	blade	NOUN
9s161546d84	8	43	wake	wake	NOUN
9s161546d84	8	44	.	.	PUNCT
9s161546d84	9	1	the	the	DET
9s161546d84	9	2	results	result	NOUN
9s161546d84	9	3	indicate	indicate	VERB
9s161546d84	9	4	that	that	SCONJ
9s161546d84	9	5	the	the	DET
9s161546d84	9	6	severity	severity	NOUN
9s161546d84	9	7	of	of	ADP
9s161546d84	9	8	the	the	DET
9s161546d84	9	9	aberration	aberration	NOUN
9s161546d84	9	10	is	be	AUX
9s161546d84	9	11	highly	highly	ADV
9s161546d84	9	12	dependent	dependent	ADJ
9s161546d84	9	13	on	on	ADP
9s161546d84	9	14	the	the	DET
9s161546d84	9	15	vortex	vortex	NOUN
9s161546d84	9	16	circulation	circulation	NOUN
9s161546d84	9	17	strength	strength	NOUN
9s161546d84	9	18	and	and	CCONJ
9s161546d84	9	19	core	core	NOUN
9s161546d84	9	20	radius	radius	NOUN
9s161546d84	9	21	.	.	PUNCT
9s161546d84	10	1	even	even	ADV
9s161546d84	10	2	with	with	ADP
9s161546d84	10	3	the	the	DET
9s161546d84	10	4	most	most	ADV
9s161546d84	10	5	conservative	conservative	ADJ
9s161546d84	10	6	estimates	estimate	NOUN
9s161546d84	10	7	,	,	PUNCT
9s161546d84	10	8	the	the	DET
9s161546d84	10	9	farfield	farfield	NOUN
9s161546d84	10	10	effects	effect	NOUN
9s161546d84	10	11	of	of	ADP
9s161546d84	10	12	light	light	NOUN
9s161546d84	10	13	propagating	propagate	VERB
9s161546d84	10	14	through	through	ADP
9s161546d84	10	15	these	these	DET
9s161546d84	10	16	tip	tip	NOUN
9s161546d84	10	17	vortices	vortex	NOUN
9s161546d84	10	18	greatly	greatly	ADV
9s161546d84	10	19	reduces	reduce	VERB
9s161546d84	10	20	the	the	DET
9s161546d84	10	21	irradiance	irradiance	NOUN
9s161546d84	10	22	delivered	deliver	VERB
9s161546d84	10	23	on	on	ADP
9s161546d84	10	24	target	target	NOUN
9s161546d84	10	25	through	through	ADP
9s161546d84	10	26	both	both	DET
9s161546d84	10	27	tip	tip	NOUN
9s161546d84	10	28	/	/	SYM
9s161546d84	10	29	tilt	tilt	NOUN
9s161546d84	10	30	and	and	CCONJ
9s161546d84	10	31	higher	high	ADJ
9s161546d84	10	32	order	order	NOUN
9s161546d84	10	33	effects	effect	NOUN
9s161546d84	10	34	.	.	PUNCT
9s161546d84	11	1	finally	finally	ADV
9s161546d84	11	2	,	,	PUNCT
9s161546d84	11	3	the	the	DET
9s161546d84	11	4	use	use	NOUN
9s161546d84	11	5	of	of	ADP
9s161546d84	11	6	adaptive	adaptive	ADJ
9s161546d84	11	7	optics	optic	NOUN
9s161546d84	11	8	to	to	PART
9s161546d84	11	9	correct	correct	VERB
9s161546d84	11	10	for	for	ADP
9s161546d84	11	11	these	these	DET
9s161546d84	11	12	aberrations	aberration	NOUN
9s161546d84	11	13	is	be	AUX
9s161546d84	11	14	examined	examine	VERB
9s161546d84	11	15	for	for	ADP
9s161546d84	11	16	the	the	DET
9s161546d84	11	17	case	case	NOUN
9s161546d84	11	18	of	of	ADP
9s161546d84	11	19	hover	hover	NOUN
9s161546d84	11	20	.	.	PUNCT