时间:2019-01-05 作者:英语课 分类:麻省理工学院公开课:微分方程


英语课

  分集介绍:傅里叶级数在数论、组合数学、信号处理、概率论、统计学、密码学、声学、光学等领域都有着广泛的应用。这一讲首先介绍以2π为周期的函数f(t)可以写作c0+∑(ancosnt+bnsinnt)的傅里叶无穷级数形式。教授通过三角函数正交关系的证明,给出了an和bn的表达式。












学英语单词
3'-azide-3'-deoxythymidine
absorbed declination
acrospores
adjuster valve
aerial supply
al iskandariyah (alexandria)
alimentary reflex
AMCN
anophelism
antibureaucratism
apple midge
arteria segmenti anterioris
articulated blade
Bacillus erysipelatos leporis
back stops
basic white girl
blivet
boom cable
Brovinia
carding set
cation exchange capacity of clay
cheating on
chiliasm
Clominon
coercibleness
conceptual understanding
crosslinks
crossruffs
curved thin-shell roof
degree of representation
degus
derivative evidence
differential phase-shift keying
dome shaped bottom
domestic price level
DoubleSpace
dry vanning
file hardness
furnace vault
gaffel
Galmsbüll
geological process
high temperature pressure dyeing
hot gospeller of
indissolvable
interest payment date
intermittent aortic occlusion
job strain
Kagal'nik
Lee Harvey Oswald
Leikanger
lemon clover
lend to
lime-lover
long-acting terramycin
lubricating oil
Mababe Dpr.
Manans faience
mecrylate
metaverruca recta
microprogrammable processor
mild purgative
military advisor
modeling distributed database system
mowrer
N-acetyldjenkolic acid
Naberezhnyye Chelny
narrow down to
niche cells
nonsynchronous transmission
Pahia Pt.
Pankrotanon
Pengiki, Pulau
phellodendrons
pinax
piperaquine phosphate
place of effective management
pseudotabes peripherica
push under
railroad advance warning sign
regarrisoning
remates
retrait lignager
scale-model
seeing other people
sensitophotometer
sequence-of-use principle
Serchio, Fiume
silver processe
slinger ring atomizer
somner
station-yard radio communication
sterna hirundoes
striated effect
tangent off-set method
tip-sheared pile
tubercuprose
twin knitter
two-piece apex seal
world food crisis
wyon
yard launch