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
allotherm
anemonies
aneyebrowpencil
anti-sliding device
blepharochalasis plasty
bone chinas
bujang
butts and bounds
cadmium bromide
Charpy-type test
chorionic lactogen
cigaretteless
cofacter
colorectostomy
cooperstock
cross-question
cumulative weight
cymbiola nobilis
dallisgrasses
dividing wall type heat exchanger
dolly mixture
draftproofing
e-h
electrically-powereds
elkus
Equipotential zone
error ratio
eruptive disease
favor tax
fax card
filter(ing)element
flightdeck
focal infections
fraction failed test
fress-spuren
galvanomagnetic coefficient
hymenopterological
ideal merge
imbuing
inadmissible rate
INPEA
jolt moulding
junior bondholder
kinesthetic illusion
Legazpi
libella
lichened
logical overlap coefficient
long wire
lord campbell's act
makes a point
massified
millivolt (mV)
mine hunting boat
mist spray
model modular computer
Momoishi
mtae (multiple-time-around echoes)
neediness
Neocrosedin
not planned
paper developer
partout
parts of the body
PCB testing
pencil moustache
perfect type caster
phenolic urea
Phoenicopteriformes
pistle
pit lines
plane of kinking
polectron
polynomial function
private letter
procedure-call statement
program technic
psalis
ratch setting
remote system
restricted cosmological principle
rhabdospheres
rock ledge
rotating field aerial
semiparasitism
sense hair
separable coupling
shamil
Sidgwick
soft glasses
specilize
steady run
supercurvature
to torch
triode ion gauge
underground control room
unfemale
vendela
wiggah
wooden tie drilling machine
youdao
Your obedient servant