CEF中使用代理的方法

it knew its place in the scheme of things

中文意思是：它知道它在事物的计划中的位置。

也可以读作：It knows where it is in the plan of things

knew

英 [nju:] 美 [nu:]

v

了解;知道（ know的过去式 ）

place in

英 [pleis in] 美 [ples ɪn]

相信;任命…担任;把…放入;使处于

scheme

英 [ski:m] 美 [skim]

vt& vi

策划，图谋

n

计划;体系;阴谋

vt

设计，计划;谋划，图谋

vi

密谋，制定计划

第三人称单数： schemes 复数： schemes 现在分词： scheming 过去式： schemed 过去分词： schemed

things

英 [θɪŋz] 美 [θɪŋz]

n

（个人的）用品;需要的东西;生物;事实;物（ thing的名词复数 ）

It is (striking 显著地；突出的；引人注目的） that most of the （paid queue-jumping 付费的插队）（schemes 计划；阴谋；策划；图谋）（we’ve considered定语从句，我们所注意到的）—at airports and amusement parks, in call centers, doctors’ offices, and national parks—are recent developments, （scarcely imaginable 几乎不可以想象的） （three decades ago 30年以前）

striking 形容词 adj

1显著的, 突出的

There is a striking difference between Jane and Mary

简和玛丽之间有显著的差异。

The difference was very striking

差别非常显著。

2引人注目的; 容貌出众的

She is a very striking young woman

她是一位非常引人注目的年轻女子。

3妩媚动人的，俊秀的

queue-jumping n 插队；加塞儿

imaginable形容词 adj

1可想像的;想像得到的

We have been inundated with every bit of information imaginable

凡是想得到的各种各样的信息潮水般地向我们涌来。

decade 名词 n

1十年, 十年间，十年期（尤指一个年代）

Prices have risen steadily during the past decade

过去的十年间, 物价一直在上涨。

scarcely 副词 adv

1仅仅; 几乎不

We scarcely have time for breakfast

我们几乎没有吃早饭的时间。

Scarcely do I know him

我同他不那么熟。

We've scarcely any money left

我们几乎一点钱不剩。

2决不

You can scarcely expect me to believe that

别以为我相信那件事。

3实在不应该；根本不可能

4（表示接连发生）刚一…就

5勉强；刚；简直不

整个句子结构为：形式主语IT +IS +ADJ + THAT 从句+定语从句----解释说明 结构

帮你分段解析

（1）It is striking that most of the paid queue-jumping schemes we've considered (我们认为的大多数付费插队方案是非常引人注目的（显著地）

（2）at airports and amusement parks , in call centers, doctors' office (像在机场，游乐园，在呼叫中心，医生办公室，

（3）and national parks----are recent developents ,scarcely imaginable three decades ago (以及国家公园-----都是最近发展起来的，这在30年前几乎不可以想象的

句子意思：我们注意到的大多数付费插队设计都是比较显著地，像在机场，游乐园，在呼叫中心，医生办公室，以及国家公园-----都是最近发展起来的，这在30年前几乎不可以想象的

如果满意，请及时采纳，谢谢！

CEF3使用类似Google Chrome一样的方式，通过命令行参数传递代理配置。

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     Specify the >

This

scheme

is

called

the

second-generation

wavelets

Obviously,

it

can

be

used

to

build

first-generation

wavelets

and

leads

to

a

faster,

full

in-place

implementation

of

the

wavelet

transform

The

basic

idea

behind

the

lifting

scheme

is

a

relationship

among

all

biorthogonal

wavelets

that

share

the

same

scaling

function

such

that

one

can

construct

the

desired

wavelet

from

a

simple

one

Daubechies

and

Sweldens

proved

[3]

that

any

wavelet

with

FIR

filters

can

be

factorized

into

a

finite

number

of

alternating

lifting

and

dual

lifting

steps

starting

from

the

Lazy

wavelet

This

implies

that

any

wavelet

can

be

derived

from

arbitrary

wavelet,

including

the

Lazy

wavelet,

by

a

finite

number

of

lifting

and

dual

lifting

The

main

feature

of

the

lifting-based

DWT

scheme

is

to

break

up

the

high-pass

and

low-pass

filters

into

a

sequence

of

upper

and

lower

triangular

matrices

and

convert

the

filter

implementation

into

banded

matrix

multiplications

[

3

]

Such

a

scheme

has

several

advantages,

including

"in-place''

computation

of

DWT,

integer-to-integer

wavelet

(IWT),

symmetric

forward

and

inverse

transform

etc

Therefore,

it

comes

as

no

surprise

that

lifting

has

been

chosen

in

the

new

still

image

compression

standard

JPEG2000

[

1]

Let

h(z)

and

g(z)

denote

the

low-pass

and

high-pass

analysis

filters,

h(z)

and

g(z)

the

low-pass

and

high-pass

synthesis

filters,

respectively,

then

the

corresponding

decomposition

and

reconstruction

poIyphase

matrices,

denoted

as

p(z)

and

p(z)

,

respectively,

are

defined

as

follows:

[图](略)

where

he(z)

and

ge(z)

[ho(z)

and

go(z)]

represent

the

even

parts

[odd

parts]

of

the

Iowpass

and

highpass

wavelet

filters,

respectively

It

has

been

shown

in

[2]

and

[3]

that

if

the

h(z)

and

g(z)

are

a

pair

of

complementary

filters

for

each

other,

then

the

p(z)is

always

factorized

by

lifting

scheme

as

follows

[3]:

[图](略)

in

which

K

is

a

constant,

;i(z)and

s

;

(

z

)

are

denoted

as

primary

lifting

and

dual

lifting

polynomial

(or

vice

versa)

respectively,

and

m

represents

the

total

lifting

steps

required

3

NEW

LIFTING

SCHEME

The

polyphase

matrix

of

the

(6,lO)

filter

can

be

decomposed

as

(3)

[SI

[图](略)

where

a,

b,

c,

d,

e,

f;

K2,

K,

are

the

corresponding

lifting

coefficients

and

scale

normalization

coefficients,

respectively,

which

can

be

referred

to

[I]

From

(1),

the

parallel-based

lifting

scheme

for

forward

transform

of

(6,lO)

filter

can

be

obtained

as

(4):

[图](略)

We

use

x[n]

to

represent

the

original

input

sequence,

and

x[Zn]

(x[2n+

I])

to

represent

even

(odd)

indexed

samples,

the

intermediate

values

computed

during

lifting

are

denoted

as

&"'[n]

and

L'")[n]

(m=Z,2),

and

the

lowand

high-

frequency

coefficients

are

expressed

as

the

sequence

L[n]

and

H[n],

respectively

Hence,

from

(2),

the

implementation

of

forward

transform

for

(6,

IO)

filter

can

be

written

as

(3)

by

using

mathematical

notations

[图](略)

4

PROPOSED

ARCHITECTURE

From

(3),

the

flow

diagram

of

lifting-based

architecture

for

the

(6,lO)

filter

can

be

proposed

as

shown

in

Fig1,

in

which

the

critical

path

is

calculated

as

(4T,

+

U,)

While

according

to

(5),

The

flow

diagram

of

a

VLSI

architecture

based

on

the

proposed

PLS

(named

as

PLSAj

for

the

(6,lO)

DWT

is

illustrated

as

shown

in

FigZ(a)

It

can

be

calculated

that

the

critical

path

latency

of

the

proposed

PLSA

is

(T,,,

+

4T,)

if

only

the

order

of

addition

operations

is

optimized

The

critical

path

of

the

architecture

shown

in

Figl(a)

can

be

further

reduced

by

pipelining

The

proposed

PLSA

with

2

stages

of

pipeline

denoted

as

dot

lines

is

shown

in

Fig2(b),

in

which

4

additional

pipeline

registers

are

used

and

the

critical

path

is

reduced

from

(T',

+

4T0)

to

(T,

+

ZT,)

The

proposed

PLSA

with

5

stages

of

pipeline

is

shown

in

FigZ(c),

in

which

11

additional

pipeline

registers

are

used

and

the

critical

path

is

reduced

to

T,

The

total

number

of

registers

required

can

be

efficiently

reduced

if

the

retiming

technique

is

employed

Equations

(5a)-(5d)

can

be

rewritten

as

(6a)-(6d)

if

retiming

is

employed

Following

(6),

a

PLS-based

architecture

combining

retiming

and

5

stages

of

pipeline

for

the

(6,lO)

1-D

DWT

can

be

proposed

as

shown

in

Fig2(d)

Compared

with

the

architecture

shown

in

Fig2(c),

the

total

number

of

register

required

is

reduced

from

I5

to

14

Performance

comparison

for

the

architectures

of

the

(6,iO)

filter

is

illustrated

in

Table

1

Comparison

results

demonstrate

the

PLS-based

architectures

gains

better

performance

than

the

flipping

structure

in

the

case

of

(6,lO)

filter

chosen,

and

the

later

is

a

special

case

of

PLSA

[图](略)

[图](略)

Fig2

Proposed

PLS-based

architecture

(PLSA)

of

(6,lO)

1-D

DWT

(a)

PLSA

without

pipeline,

(b)

PLSA

with

2

stages

of

pipeline,

(c)

PLSA

with

5

stages

of

pipeline,

(d)

PLSA

with

combining

retiming

and

5

stages

of

pipeline

TABLE

1

PERFORMANCE

COMPARISON

OF

ARCHITECTURES

FOR

THE

(6,lO)

I-D

DWT

[图](略)

5

CONCLUSIONS

A

modified

lifting

algorithm

for

the

(6,lO)

wavelet

filters,

as

well

as

the

fast

VLSI

architectures,

have

been

proposed,

in

which

parallelism

of

arithmetic

operations

in

each

lifting

step

is

exploited,

and

a

retiming

technique

is

employed

to

optimize

design

Compared

with

the

previous

lifting-based

designs,

the

new

implementations

is

a

more

efficient

altemative

in

reducing

critical

path

and

hardware

cost

郁闷，一次还发不完。

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