歸一化英語(yǔ)?1、preconditioning:指對(duì)數(shù)據(jù)或材料進(jìn)行一些必要的處理,以便于后續(xù)的操作或分析。例如,對(duì)數(shù)據(jù)進(jìn)行歸一化、標(biāo)準(zhǔn)化、降維等操作,就是一種預(yù)處理。2、pretreatment:指對(duì)數(shù)據(jù)或材料進(jìn)行一些預(yù)先的清洗或消毒,那么,歸一化英語(yǔ)?一起來(lái)了解一下吧。
weightvector;
1、u_n評(píng)走后可得一評(píng)價(jià)的模糊矩陣由于U中被考核的內(nèi)容輕重不可能一樣也就是對(duì)每個(gè)被評(píng)判的內(nèi)容根據(jù)要求不同而有強(qiáng)有弱我們可以由模糊向量A稱為權(quán)向量
2、ωm)稱為權(quán)向量.權(quán)系數(shù)ωi的大小代表相應(yīng)目標(biāo)fi在多目標(biāo)最優(yōu)化問(wèn)題中的重要程度,ωi越大表示fi在問(wèn)題中越重要,反之,越小的ωi表示fi越不重要
3、如果該矩陣是一致陣,則應(yīng)用對(duì)應(yīng)于特征根n的、歸一化特征向量表示各組成子失效率的相對(duì)高低程度,可稱為“權(quán)向量”
4、ωN}T,并滿足∑Ni=1ωi=1,ω稱為權(quán)向量,它表示了U1,U2,.,UN在Z中占的比重.在應(yīng)用層次分析法確定權(quán)重分配時(shí),影響因素Ui、Uj對(duì)同一目標(biāo)的影響之比Cij的取值至關(guān)重要
5、1.線性判別函數(shù)的基本概念一般表達(dá)式:g(x)=wTx+w0式中x是d維特征向量,又稱樣本向量,w稱為權(quán)向量,分別表示為:x=x1x2?xdw=w1w2?wdw0是個(gè)常數(shù),
6、3分類器設(shè)計(jì)根據(jù)上面分析,本研究的分割是二類問(wèn)題,假設(shè)判別函數(shù)為線性,則其一般表達(dá)式為:g(x)=wTx+w0式中:x是三維特征向量,w稱為權(quán)向量,分別表示為:x=[RGB]T,
圖1各種權(quán)向量?jī)?yōu)化算法的誤碼率Fig.1BERcomparisonofdifferentalgorithms圖2用戶數(shù)不同時(shí)的誤碼率Fig.2BERcomparisonofdifferentnumberofusers
“預(yù)處理”的英文單詞是“preprocessing”。
一、讀音
英【prep'r??ses??】,美【prep'ro?ses??】。
二、詳細(xì)釋義
指對(duì)數(shù)據(jù)或材料進(jìn)行一些預(yù)先的加工或轉(zhuǎn)換,以改善其質(zhì)量或性能。例如,對(duì)圖像進(jìn)行濾波、去噪、增強(qiáng)等操作,就是一種預(yù)處理。
三、近義詞
1、preconditioning:指對(duì)數(shù)據(jù)或材料進(jìn)行一些必要的處理,以便于后續(xù)的操作或分析。例如,對(duì)數(shù)據(jù)進(jìn)行歸一化、標(biāo)準(zhǔn)化、降維等操作,就是一種預(yù)處理。
2、pretreatment:指對(duì)數(shù)據(jù)或材料進(jìn)行一些預(yù)先的清洗或消毒,以去除其不需要或有害的成分。例如,對(duì)水樣進(jìn)行除氯、除鹽、滅菌等操作,就是一種預(yù)處理。
四、反義詞
1、post-processing:指對(duì)數(shù)據(jù)或材料進(jìn)行一些后續(xù)的處理,以提高其質(zhì)量或性能。例如,對(duì)機(jī)器翻譯的結(jié)果進(jìn)行校對(duì)、修改、潤(rùn)色等操作,就是一種后處理。
2、post-treatment:指對(duì)數(shù)據(jù)或材料進(jìn)行一些后續(xù)的處理,以消除其不良的影響或增加其有益的效果。例如,對(duì)污水進(jìn)行消毒、沉淀、過(guò)濾等操作,就是一種后處理。
例句:
1、Preprocessing is a necessary step in machine learning to prepare data for modeling.
預(yù)處理是機(jī)器學(xué)習(xí)中準(zhǔn)備數(shù)據(jù)進(jìn)行建模的必要步驟。
resistance
[ri5zistEns]
n.
反抗, 抵抗, 抵抗力, 阻力, 電阻, 阻抗
resistance
[ri5zistEns]
n.
抵抗[制]; 反抗[對(duì)]; 抵抗方法[力]
【生】抗病性
【電】阻抗[力, 尼], 抗[耐]...性; 電阻; 電阻器[件, 裝置]
break down the enemy's resistance
粉碎敵人的抵抗
abrasive resistance
耐磨力[度]
sales resistance
拒絕購(gòu)買, 無(wú)銷路
resistance welding
電阻焊接, 電焊
resistanceless
adj.
resistancelessly
adv.
a piece of resistance
主要品; 壓軸; 壓桌菜; 出類拔萃的東西
line of least resistance
阻力最小的方向, 最便當(dāng)?shù)姆椒?/p>
make some [no] resistance
進(jìn)行[不]抵抗
offer [put up] resistance to [against]
抵抗
passive resistance
消極抵抗, 不順從
take the line of least resistance
采取阻力最小的路線; 采取最省力的方法
abrasion resistance
抗磨損性
abrasive resistance
耐磨性, 耐磨強(qiáng)度
absorption resistance
吸收電阻
acceleration resistance
加速阻力
acid resistance
耐酸性能[強(qiáng)度]
acoustic resistance
聲阻
acoustic radiation resistance
聲輻射阻尼
acquired resistance
獲得抗(病)性
active resistance
自動(dòng)抗病性, 自動(dòng)抵抗力
adapter resistance
附加電阻
added resistance
附加電阻, 擴(kuò)量程電阻
adjustable resistance
可變電阻; 可變阻抗[阻力]
aerial resistance
天線電阻
aerodynamical resistance
空氣動(dòng)力的阻力
age resistance
耐老化性
ageing resistance
抗老化性能, 耐久性; 時(shí)效阻力
air churning resistance
空氣擾動(dòng)阻力, 空氣渦流阻力
air circuit resistance
空氣循環(huán)阻力
alcohol resistance
耐醇性
alkali resistance
抗堿性(能)
all-in resistance
全部投入電阻(變阻器)
alternating -current resistance
交流電阻
anode resistance
陽(yáng)極電阻
antenna resistance
天線電阻
antenna effective resistance
天線有效電阻
antenna surge resistance
天線波電阻, 天線特性電阻
antibiotic resistance
抗生素抗性, 抗菌素抗性
anti-mist resistance
防霧[抗霧]電阻
apparent resistance
表觀電阻, 視在電阻
arc resistance
耐電弧性, (電)弧阻
armature resistance
電樞電阻
artificial resistance
仿真[模擬]電阻
atmospheric resistance
大氣阻力
attenuator resistance
阻尼電阻, 衰減電阻
attrition resistance
耐磨耗性
back resistance
反向電阻
back-biased resistance
反饋偏壓電阻
ballast resistance
鎮(zhèn)定電阻, 鎮(zhèn)流電阻; (電氣鐵路的)軌間電阻
barreter resistance
鎮(zhèn)流管電阻
barrier resistance
阻擋層電阻
base resistance
基極電阻
bath resistance
電解質(zhì)電阻, 電鍍液電阻
bead resistance
珠形熱敏電阻
behavioristic resistance
行為抗性
bending resistance
抗彎曲性
biasing resistance
偏壓電阻, 偏流電阻
biotic resistance
生物抗力
bleeder resistance
旁漏[泄漏]電阻
bleeding resistance
防滲色性
blocking resistance
抗粘連性
blood resistance
抗血性能
blush resistance
抗發(fā)白性, 防潮性
body resistance
體電阻
boiling resistance
耐蒸煮性
boiling water resistance
耐沸水性
bond resistance
粘合抗力
brake resistance
制動(dòng)力, 制動(dòng)阻力; 制動(dòng)變阻器
burning resistance
耐燃性
burn-out resistance
抗燒毀能力
calibrating resistance
校準(zhǔn)電阻
carbon resistance
炭質(zhì)電阻
carbon dust resistance
碳粉電阻
cathode resistance
陰極電阻
cathode interlayer resistance
陰極層間電阻
cathode-bias resistance
陰極偏壓電阻
cell resistance
(電解)槽電阻
cermet resistance
涂釉電阻, 金屬陶瓷電阻
chalk resistance
抗粉化性
characteristic resistance
特性電阻
chilling resistance
耐急冷能力
circuitous resistance
電路電阻
clamp resistance
鉗位電阻
coastal climate resistance
耐海岸氣候性
coil resistance
線圈電阻
cold resistance
耐寒性, 抗低溫性
cold-check resistance
抗凍細(xì)裂性, 抗冷脆性
cold-state resistance
冷(態(tài))電阻
collector resistance
集電極電阻
colour-bleeding resistance
換色電阻, 抗混色性, 泄色電阻
combined resistance
合成電阻
compensating resistance
補(bǔ)償電阻
compound resistance
復(fù)合阻力
compression resistance
抗壓性; 抗壓強(qiáng)度
compressive resistance
壓應(yīng)力, 抗壓力, 抗壓強(qiáng)度
cone resistance
錐體(壓入)阻力
constitutional drought resistance
體質(zhì)抗旱性
constriction resistance
集中電阻; 接觸電阻
contact resistance
接觸[接點(diǎn)]電阻; (電刷和換向器間)瞬變電阻
continuous heat resistance
耐熱持續(xù)性[持久性]
controlling resistance
控制[抑制]電阻
core resistance
中心流體的阻力, (湍流)核心阻力
corona resistance
電暈放電電阻
corrosion resistance
耐(腐)蝕性, 耐蝕力, 抗腐(蝕)性
coupling resistance
耦合電阻
crack resistance
抗龜裂性
crease resistance
耐皺性, 抗皺性
creep resistance
蠕變阻力, 蠕滑阻力, 抗蠕變力; 蠕變強(qiáng)度, 蠕爬極限
crippling resistance
(低于彈性限度的)折曲應(yīng)力; 折曲回能
critical resistance
臨界[中肯]電阻
critical ballast resistance
臨界道碴電阻
critical damping resistance
臨界阻尼電阻
cross resistance
交叉抗性
crumpling resistance
耐碎裂性
crushing resistance
抗碾性
current bias resistance
偏流電阻
current-limiting resistance
限流電阻
curve resistance
非線性電阻
cutting resistance
切削阻力, 切削抗力, 切削力
damping resistance
阻尼電阻[阻力]
dark resistance
無(wú)照電阻, 暗電阻
dead resistance
吸收[消耗]電阻, 整流電阻
decoupling resistance
去耦[退耦]電阻
deformation resistance
變形阻力
dent resistance
耐沖擊性
dermal resistance
皮膚電阻
desiccation resistance
抗干燥性
despiking resistance
阻尼(電路)電阻, 削峰電阻
detergent resistance
耐洗滌劑性
detrimental resistance
有害阻力
dielectric resistance
絕緣[介質(zhì)]電阻
differential resistance
微分電阻, 內(nèi)阻
differential anode resistance
陽(yáng)極微分電阻, 交流電阻
diffusion resistance
擴(kuò)散阻力
dimmer resistance
減光器, 變阻器
dimming resistance
減光電阻
direct-current plate resistance
陽(yáng)極直流電阻
dirtiness resistance
污垢熱阻(在熱交換器管壁上)
discharge resistance
放泄電阻, 放電電阻
disease resistance
抗病力, 抗病性
drain resistance
漏電阻
drain-source resistance
漏極-源極電阻
draught resistance
牽引阻力
draw-bar resistance
牽引阻力
driving resistance
打樁阻力
drought resistance
耐旱性, 抗旱性
drug resistance
藥物抗性
dummy resistance
假負(fù)載電阻
dummy load resistance
仿真負(fù)載電阻
dynamic plate resistance
動(dòng)態(tài)板極電阻
earth resistance
地面(接地)電阻
earthquake resistance of structure
結(jié)構(gòu)物抗震性能
eddy(ing) resistance
渦旋阻力
effective resistance
有效電阻
effective input resistance
有效輸入電阻
effective thermal resistance
有效熱阻
electrolytic resistance
電解電阻
electronic circuit resistance
電子電路電阻
emulsion resistance
抗乳化
entire thermal resistance
總熱阻
equivalent resistance
等效電阻[抗力]; 等代抗力
equivalent noise resistance
等效噪聲電阻
equivalent parallel resistance
(晶體的)等效并聯(lián)電阻
erosion resistance
抗腐蝕性
essential resistance
內(nèi)阻
excitation resistance
勵(lì)磁電阻
exhaust resistance
排氣阻力
external cathode resistance
陰極輸出器(的)外電阻
fat resistance
抗油性, 防油性; 防油度
fatigue resistance
耐[抗]疲勞性; 動(dòng)強(qiáng)度
fault resistance
障礙電阻
feedback resistance
反饋電阻
field resistance
勵(lì)磁線圈電阻
filament resistance
燈絲電阻
filter resistance
濾波電阻
filtration resistance
過(guò)濾阻力
flange resistance
輪緣阻力
flash resistance
耐著火性
flexing resistance
抗撓強(qiáng)度, 抗撓曲阻力
flow resistance
流阻, 抗流變
folding resistance
耐折性; 耐折度
forward differential resistance
正向微分電阻; 動(dòng)態(tài)電阻
fouling resistance
污垢熱阻
fracture initiation resistance
斷裂初始抗力
frame resistance
線繞可變電阻
freeze resistance
耐寒性; 抗霜性
freeze-thaw resistance
抗凍熔性
fume resistance
耐煙霧性
fungus resistance
抗真(菌)性
gate resistance
柵電阻
generator resistance
發(fā)電機(jī)電阻
genetic resistance
遺傳抗性
germanium photosensitive resistance
鍺光敏電阻
glaze resistance
涂釉電阻
go-and-return resistance
環(huán)線電阻
graphite resistance
石墨電阻
grease resistance
耐[抗]油性, 耐潤(rùn)滑油性
grid bias resistance
柵(極)偏電阻
grid-cathode resistance
柵-陰電阻
grip resistance
滑動(dòng)阻力
head-on resistance
迎頭阻力
heat transfer resistance (=thermal resistance)
熱阻
heater resistance
發(fā)熱器電阻, 燈絲電阻
heating resistance
加熱電阻; 電熱電阻器
high-ohmic input resistance
高歐姆輸入電阻
high-temperature oxidation resistance
抗高溫氧化力[性]
host resistance
寄生抗性
hot tear resistance
抗高溫撕裂性
hull resistance
船身阻力
humidity resistance
防潮性能
hydraulic resistance
流體阻力, 水阻力
hysteresis loss resistance
磁滯損耗電阻
immersion resistance
耐浸漬性
impact resistance
沖擊[撞擊]阻力
incremental resistance
增量電阻, 微分陽(yáng)極電阻
inertial resistance
惰性[慣性]阻力; 慣抗
infectious drug resistance
可傳播的藥物抗性
inherent resistance
固有阻力, 固有電阻
ink resistance
抗墨性(能)
input resistance
輸入電阻, 入端電阻
insect resistance
昆蟲(chóng)抗藥性
insulating resistance
絕緣電阻
intake resistance
進(jìn)氣阻力
interface resistance
層間電阻; 面間電阻
interfacial resistance
界面阻力
intermediate resistance
中間電阻, 接觸電阻
internal tearing resistance
內(nèi)抗撕力
intrinsic resistance
固有電阻, 本征電阻; 固有阻力, 本征阻力
jag resistance
抗切口性能
junction resistance
結(jié)電阻
Kapitza thermal resistance
卡畢札熱阻
kinetic resistance
運(yùn)動(dòng)阻力
leak resistance
抗漏度, 抗漏性
leakage resistance
漏(流)電阻; 泄漏電阻
light resistance
光電阻
line loop resistance
回路電阻
linear resistance
線性電阻
lodging resistance
抗倒伏性
lumped resistance
集中電阻, 集總電阻
magnetic layer resistance
磁層電阻
magneto resistance
磁致電阻
mar resistance
抗(表面)擦傷性
mass transfer resistance
傳質(zhì)阻力
mechanical friction resistance
機(jī)械摩擦阻力
mechanical shock resistance
抗機(jī)械沖擊性能
membrane resistance
薄膜電阻
metal glaze resistance
金屬釉電阻
mica resistance
云母電阻
mildew resistance
抗霉性, 防霉性
mold resistance
抗霉性, 抗霉力
negative sequence resistance
負(fù)序電阻
net resistance
純電抗
neutralizing resistance
補(bǔ)償電阻, 中和電阻, 抵消電阻
nichrome resistance
鎳鉻電阻
nominal resistance
標(biāo)稱電阻
non-reactive resistance
無(wú)電抗電阻; 純電阻
normalized resistance
標(biāo)準(zhǔn)化電阻; 歸一化電阻
off resistance
斷開(kāi)[關(guān)態(tài)]電阻
ohmic resistance
歐姆電阻
oil and grease resistance
耐油脂性能
oil rub resistance
抗油污
oscillator utilizing negative resistance
負(fù)阻振蕩器
osmotic resistance
滲透阻力
output resistance
出端電阻
overall heat-transfer resistance
總熱阻
oxidation resistance
抗氧化
package dissipative resistance
管殼耗散電阻
parasitic resistance
寄生電阻
passive resistance
無(wú)源電阻; 鈍態(tài)抵抗
peak resistance
峰值[巔值]電阻
peeling resistance
抗剝離性能
perspiration resistance
耐汗性
photocathode resistance
光(電)陰極電阻
photosensitive resistance
光敏電阻
physiological resistance
生理抗性
pick resistance
抗粘性能
plate load resistance
板極負(fù)載電阻
plug resistance
插塞電阻
polarization resistance
極化電阻
pore resistance
有效通路系數(shù)
potentiometer resistance
電位器電阻, 分壓變阻器
preventative resistance
防止短路用的電阻
print resistance
抗粘污性
profile resistance
翼剖面阻力
protoplasmic drought resistance
原生質(zhì)抗旱性
radiation resistance
輻射電阻[阻力]
reactive resistance
電抗
regulating resistance
調(diào)節(jié)電阻; 電位計(jì)
regulation resistance
調(diào)節(jié)電阻; 電位器, 分壓器, 變阻器
relative resistance
相對(duì)電阻
repeating resistance
耦合電阻
resonance resistance
諧振電阻
reverse a-c resistance
反向交流電阻
rod resistance
棒狀電阻
rolling frictional resistance
滾動(dòng)摩擦阻力
rope guiding resistance
導(dǎo)繩阻力
rot resistance
防霉
rotational resistance
轉(zhuǎn)動(dòng)阻力
rub resistance
耐摩擦性
ruthenium oxide resistance
氧化釕電阻
saturation resistance
飽和電阻
scale resistance
水垢層熱阻
scoring resistance
刮傷(表面)阻力
scratch resistance
抗劃傷[擦傷]性
scrub resistance
可洗(滌)性; 耐擦洗性
scuff resistance
耐磨損性, (紙的)抗揉搓性
secondary resistance
二次側(cè)電阻, 次級(jí)線圈電阻
seizure resistance
抗咬合性
series resistance
串聯(lián)電阻
shearing resistance
剪切[切斷]阻力
sheet resistance
薄膜電阻, 薄層電阻, 表面電阻
shock resistance
耐震強(qiáng)度, 沖擊強(qiáng)度; 抗沖擊性
short-circuited resistance
短路電阻
show-through resistance
不透明度
shrink resistance
防縮性, 抗縮性
shunt resistance
分流電阻; 分路電阻; 并聯(lián)電阻
size resistance
施膠度
skid resistance
抗滑, 抗滑力
skin resistance
表面摩擦阻力; 趨膚電阻
slag resistance
抗渣性(抗熔渣侵蝕能力)
sliding-frictional resistance
滑動(dòng)摩擦阻力
slip resistance
耐滑性; 抗剪強(qiáng)度; 防側(cè)滑性
slope resistance
斜率電阻
smoke stain resistance
抗煙霧污染性
soil resistance
土壤抵抗力; 土壤抗污性
solvent resistance
耐溶劑性
source resistance
電源電阻; 內(nèi)(電)阻
source bulk resistance
源(體)電阻
spalling resistance
抗散裂強(qiáng)度
spark resistance
火花電阻
specific resistance
比電阻; 電阻率, 電阻系數(shù)
specific resistance of unit volume
容積比電阻
spreading resistance
擴(kuò)展[擴(kuò)散]電阻
stabilizing resistance
穩(wěn)流電阻
stain resistance
耐污染性(不指環(huán)境污染)
static resistance
靜態(tài)電阻
steady resistance
鎮(zhèn)流電阻, 平衡電阻, 穩(wěn)流電阻
stretching resistance
抗拉[張]力
structural resistance
結(jié)構(gòu)阻力
suction resistance
吸引阻力
supporting resistance
支承阻力
suppression resistance
抑制電阻
surge resistance
浪涌電阻, 防沖擊電阻
swamping resistance
擴(kuò)程電阻, 穩(wěn)定電阻
swelling resistance
耐溶脹性
switch resistance
開(kāi)關(guān)電阻
tarnish resistance
抗蝕力, 耐蝕性
tear resistance
抗扯強(qiáng)度, 抗扯性, 抗扯力
temper resistance
回火穩(wěn)定性
temperature-compensating resistance
補(bǔ)償電阻溫度
tensile resistance
抗拉力
terminating resistance
終端電阻
thermal resistance
熱阻, 熱變電阻, 熱敏電阻
thermal-shock resistance
抗熱沖擊阻力; 耐熱震性, 耐熱沖擊性, 抗熱急變性
throttle resistance
節(jié)流阻力
torque resistance
扭矩抗力, 轉(zhuǎn)矩抗力
torsion resistance
扭曲度
torsional resistance
扭轉(zhuǎn)阻力
tower-footing resistance
塔基電阻(鐵塔下部與大地間的電阻)
towing resistance
牽引阻力
tractive resistance
牽引阻力
translatory resistance
平移[平動(dòng)]阻力
turbulent resistance
湍流阻力
twisting resistance
抗扭力, 扭轉(zhuǎn)阻力
ultraviolet resistance
耐紫外線性
valve passage resistance
閥道流動(dòng)阻力
vapour resistance
水汽隔絕性, 不透汽性
ventilation resistance
通風(fēng)阻力
vertical yoke resistance
場(chǎng)偏轉(zhuǎn)線圈電阻; 垂直偏轉(zhuǎn)線圈電阻
vibration resistance
振動(dòng)阻力[阻尼]
video source resistance
信號(hào)源電阻
virtual resistance
有效電阻
viscosity resistance
粘性[粘滯]阻力
volatility resistance
耐揮發(fā)性
wake resistance
尾流阻力
water vapor resistance
水蒸汽不滲透性能
water-logging resistance
抗?jié)n性, 抗淹性
wave resistance
波阻力
wave making resistance
波致阻力
wearing resistance
耐磨性; 磨損阻力, 抗磨力
wet rub resistance
濕耐磨性能
wet-skid resistance
濕滑阻抗[阻力]
windage resistance
風(fēng)阻
wing resistance
翼阻力
wirewound resistance
線繞電阻
withdraw resistance
拔出阻力
wrinkle resistance
抗皺性
zero voltage resistance
零壓電阻
resistance to elements
耐候性, 耐候化性能
resistance to elongation
抗伸長(zhǎng)性
resistance to extinction
對(duì)消退的抗性
resistance to plane homogeneous deformation
(金屬的)均勻面變形阻力
resistance
re.sis.tance
AHD:[r1-z1s“t…ns]
D.J.[r!6z!st*ns]
K.K.[r!6z!st*ns]
n.
The act or an instance of resisting or the capacity to resist.
A force that tends to oppose or retard motion.
Often Resistance An underground organization engaged in a struggle for national liberation in a country under military or totalitarian occupation.
Psychology A process in which the ego opposes the conscious recall of unpleasant experiences.
Biology
The capacity of an organism to defend itself against a disease.
The capacity of an organism or a tissue to withstand the effects of a harmful environmental agent.
Abbr. r,RElectricity The opposition of a body or substance to current passing through it, resulting in a change of electrical energy into heat or another form of energy.
resis“tant
adj.
resistance
obedience
marked的意識(shí)是標(biāo)記。
標(biāo)記(signature),圖像處理術(shù)語(yǔ)。標(biāo)記是邊界的一維表達(dá),可以用多種方法來(lái)產(chǎn)生。其基本思想是將原始的二維邊界用元函數(shù)來(lái)表示,以降低表達(dá)難度。最簡(jiǎn)單的方法就是把從重心到邊界的距離作為角度的函數(shù)來(lái)標(biāo)記。
標(biāo)記與鏈碼同樣不受邊界平移的影響,但是當(dāng)邊界旋轉(zhuǎn)或者發(fā)生尺度變換時(shí),標(biāo)記格會(huì)發(fā)生改變。對(duì)于旋轉(zhuǎn)問(wèn)題,可以采用類似于鏈碼的旋轉(zhuǎn)歸一化方法進(jìn)行解決。更常用的方法是通過(guò)固定標(biāo)記的起始點(diǎn)來(lái)歸一化。
例如,可以選擇離重心最遠(yuǎn)的邊界點(diǎn)作為起始點(diǎn),或者選擇主軸上的某一點(diǎn)。雖然后者的計(jì)算量比較大,但是它比前者更加可靠,因?yàn)樗玫搅怂械倪吔琰c(diǎn)來(lái)參與計(jì)算。而對(duì)尺度變化則可以通過(guò)幅度的歸一化來(lái)處理。
為鑒定和檢測(cè)目的將標(biāo)記物(如放射性同位素、熒光素或酶)共價(jià)連接到另一種化合物上,通過(guò)被標(biāo)記化合物與待檢測(cè)物之間的特異性反應(yīng)形成多元復(fù)合物,經(jīng)與未結(jié)合的標(biāo)記物分離后,即可用較簡(jiǎn)易的方法鑒定和檢測(cè)待檢測(cè)物。
resistance
n.
反抗, 抵抗, 抵抗力, 阻力, 電阻, 阻抗
resistibility
n.
可抵抗性, 抵抗力
resistivity
n.
抵抗力, 電阻系數(shù)
以上就是歸一化英語(yǔ)的全部?jī)?nèi)容,【波函數(shù)】在量子力學(xué)里,量子的量子態(tài)可以用波函數(shù)(英語(yǔ):wave function)來(lái)描述。薛定諤方程設(shè)定波函數(shù)怎樣隨著時(shí)間流易而演化。從數(shù)學(xué)角度來(lái)看,薛定諤方程乃是一種波動(dòng)方程,因此,波函數(shù)具有類似波的性質(zhì)。