银吉姆健身国职游泳救生员初级理论搜答案神器-威尼斯人最新

时间:2023-09-18 15:10:07


以经济发展理论为依据,分析我国从优化发展重工业转而注意农、轻、重发展顺序的历史经验。

从层面上看,“ ”作为执政理念和治国方略,被写进了的十八大报告、报告,写进了十三五规划、写进了宪法。

指颗粒间缺少黏聚力的松软土,而 保水保肥力强但排水不良。

关于庭院的小气候,下列说法错误的是 。

一般而言,喜阴植物和适应寒冷气候的植物生长的好地方多出现在住宅的 。

一般用于人流交通分析、视线分析,并通过其线型粗细不同区分流量的大小或关注度的多少的符号是 。

是一种随手勾画的草图,它由许多气泡等图解符号形象的表示出设计任务书中所要求的各种功能,以及它们与基地之间的关系。

景观中起承转合的节点组织属于 。

不符合庭院设计的生态性原则的是 。

当场地与环境没有特别的倾向时,通常选择从 入手。

关于庭院的艺术性,以下说法错误的是 。

以下不属于庭院耐阴植物的是

庭院景观中园桥的体量要讲究

具有内向性,给人封闭感和隐密不公开感。易形成不受外界干扰的空间。

我国华北地区庭院可以选用的落叶乔木有

以下不属于庭院设计要素的是

的和为0

无穷等比数列的和为.

无限循环小数.

几何级数当时收敛.

调和级数是收敛的.

如果级数收敛,发散,那么发散.

级数是收敛的.

级数是收敛的.

级数是收敛的.

级数是收敛的.

下列几何级数收敛于的是

下列命题不正确的是

级数是发散的.

级数是收敛的.

级数是收敛的.

级数是收敛的.

级数是收敛的.

级数是收敛的.

级数是收敛的.

对于交错级数,若数列是单调递减的,则级数收敛.

级数是一个交错级数.

级数是收敛的.

级数是收敛的.

设是一个非零实常数,则级数

若级数发散,则级数也是发散的.

若级数收敛,则级数也是收敛的.

变号级数就是交错级数.

( )是为了更好地辅助卖场的销售活动,使顾客能更多地享受品牌超值的服务。

卖场构成有不同的分类方式。为了更简洁和实用,我们通常根据营销管理的流程进行划分。一般我们可以将它划分为三个部分:导入部分、( )和服务部分。

( )是供顾客试衣、更衣的部分区域。

一个成功的卖场设计,不仅仅要考虑卖场环境的美观,同时还必须充分考虑( )的合理性。

作为一种服务于商业的活动,陈列的主要目的就是为了促进销售,其次是( )。

陈列的主要目的就是为了( )。

对视觉最敏感的5类外在要素中,陈列规划所占的比重为( )。

空间销售区域规划的最终目的是促进卖场有效客流,提升( )。

影响卖场陈列空间构成的因素为( )。

销售热区一般指的是顾客最容易到达、客流最高、( )的区域。

卖场通道的类型包括( )、环线型通道和自由型通道。

卖场中的主通道宽度一般在( )左右。

店内的通道设计上都要充分考虑顾客的容易进入和( )的方便性。卖场里的通道也要留以合理的尺度,方便顾客到达每一个角落,避免产生卖场死角。

为了方便顾客的通行,卖场中的主通道宽度通常是以两个人正面交错走过的宽度而设定的,一般在( )以上。最窄的顾客通道宽度不能小于90cm。

客流动线规划主要考虑顾客的生活习惯、( )、购物习惯和顾客的心理。

商品配置规划需要从( )和品牌管理的角度进行科学的分析。

从管理的角度来进行商品配置规划,要实现便捷管理和( )的目的。

美感优先的商品配置法其特点是( )。

卖场商品配置规划从货品的销售和管理角度主要考虑( )和简洁、安全的货品和货款的管理两个方面。

ip空间,以 ( )为主,是以满足顾客试穿或购买所需要的某件商品的容量陈列。

md中的mp模块指的是( ) 。

卖场内的视线要好,通常在中间设立矮架,有利于货品安全的管理。将( )、试衣室放在卖场的后半部,可以增加安全性。

橱窗由模特或其他陈列道具组成一组主题,来形象地表达品牌的设计理念和卖场的( )。

企业通过vmd视觉营销,可以便捷、快速的提升( ),从而快速吸引顾客,方便顾客的挑选、试穿和结账。

货架中70cm以下的区域称为( )空间,这个区域主要放置一些搭配的产品,如裤子、裙子等服装,或放置一些作为销售储存的货品。

按照顾客在货架前常规的观看距离和角度,有效的视线范围一般在( )米之间。

卖场服装陈列高度的设计,必须既考虑顾客视觉还须考虑顾客( )以及肢体的活动幅度等因素。

搭配陈列空间,它是以 ( )为主的陈列区域。

一个卖场如果其布局和规划本身就存在严重问题,那么即使你的产品 、( )做得再好,其效果也会大打折扣。

本作业对应任务一的1.3视频知识点

无论如何变化,陈列的形态构成都必须以充分展示服装的美感、款式特点以及( )。

过于规则的陈列方式会显得呆板,过于随意的陈列方式会显得( )。

陈列的造型必须和服装的( )相吻合。

在服装陈列中,有 ( )的元素,就有组合的可能。

作为卖场的“雕塑家”,要对卖场中的服装进行二度塑造,其前提必须要充分了解服装本身的一些特点,了解形态构成的美学原理,同时要掌握基本的( d ),才能使陈列工作做到游刃有余。

下面属于冷色调的是( )。

色彩联想中的抽象联想,让人联想到热情、危险、活动颜色是( )。

以下色系中能相互调和成为绿色的( )。

色彩的相貌被称为( )。

色彩的明亮的程度被称为( )。

( )是同一色相对比。

( )是邻接色相对比。

( )补相对比。

色环中排列在60度之内的色彩统称为( ),把成110度至180度的色彩统称为( )。

( )的搭配有一种柔和、秩序、和谐的感觉。大都用于卖场内货架的陈列。

( )搭配的特点是色彩比较强烈、视觉的冲击力比较大。因此这种色彩搭配经常在陈列中应用,特别是在橱窗的陈列中。

明度排列法在卖场展示中简称为渐变法,就是讲服装按照色彩明度的深浅依次排列,基本遵循两个原则:( )。

在一个陈列柜里陈列的服装,不光要注意( )的协调性,还要注意款式的搭配性,切勿将一些风格不同或其他系列的服装放在一起。

陈列的主要目的就是为了( )。

从卖场陈列的形式美角度分析,目前服装卖场中常用陈列面组合形式有( )、均衡、重复等几种构成形式。

在卖场用好( )既可以满足货品排列的合理性,同时也给卖场的陈列带来几分活泼的感觉。

不同店铺在选择陈列方式时,要充分考虑到该面货架的陈列目的。如以展示为主的,需适当增加正挂的区域面积,而以储货为主的,则侧挂、( )的区域占主要地位。

流水台主要用于摆放一些( a )或能表达品牌风格的款式, 用一些造型组合来诠释品牌的风格、设计理念以及卖场的销售信息。

橱窗由模特或其他陈列道具组成一组主题,来形象地表达品牌的设计理念和卖场的( )。

高架[柜]通常沿墙放置,也称为边架[柜],由于其有较大的空间, 可以进行( )、侧挂、正挂等多种陈列形式,能比较完整展示成套服装的效果。

矮架[柜]泛指放置在卖场中间高度相对较矮的货架。由于通常放置在卖场的中部 ,所以也称为( )。

服装展示器具按高低分为高架[柜]:高度高的称为高架[柜],通常高度在( c )米左右;矮架[柜]:高度矮的称为矮架[柜],通常高度在1.3米以下。

具有( )的承载类道具在产生视觉冲击力的同时还能带来轻松的感受。

道具从功能上分,可以分为( )道具和装饰类道具。

除一些特殊的展具之外,陈列道具一般应注重标准化、( )、通用化。

逆向选择的道具和装饰常常与主题商品形成( )的对比关系。

顺向选择的道具常常与主题商品形成( )关系。

( )的表现特征主要随线型的长度、粗细、状态和运动的位置有所不同,从而在人们的视觉心理上产生不同的感觉,并赋予各种个性。

陈列道具中的曲面具有( )、柔软、亲切和动感。

陈列造型中面的立体装饰包括将面( ) 或镶嵌一些立体造型。

在造型设计中,( )是由面或线围合起来所构成的三围空间。

在道具中对文字体块的应用、字体的风格要与展示内容保持( )。

( )具有的独特的纹理、温润、舒适、自然的色泽和质感、较好的弹性、韧性、抗冲击力和能进行表面装饰等的优良特质,使它长久以来一直受到人们的青睐。

因为( )质地轻、不吸水、尺寸稳定、耐腐蚀、耐虫蛀、耐磨、无污染,又经济实惠也受到大家的欢迎。

( )是以人造和天然的高分子有机化合物为主的有机合成材料。经过特殊的工艺处理,塑料具有强度大、隔热、抗腐蚀、绝缘、质量轻、不易破碎、抗紫外线等优良品质。

多性能( )又使玻璃具有了像变色龙一样丰富的外观和色彩。

( )的反射效果可以使人们感到展品的丰富和空间发生多种变化,避免了空间的单调和呆板。

( )使用pvc作为内心进行发泡,外面也是pvc贴面,因硬度和密度都很高,可直接在板上进行uv打印,打印出来的画面颜色鲜亮,用它来制作道具模型也比较合适。

( )使用一种冷光源,工作时无温升,不产生热量,不含紫外线;发光效率高,功耗极低,非常省电,而且发光颜色丰富,可通过闪动达到复杂的动画效果。

( )制作道具有透光性能好、颜色纯正、色彩丰富、美观平整,它可以通过用切割,热弯,抛光,用粘合等工艺进行处理,使用的工具有雕刻机、热弯工具、钻石抛光、火焰抛光等。

( )是以人造和天然的高分子有机化合物为主的有机合成材料。经过特殊的工艺处理,塑料具有强度大、隔热、抗腐蚀、绝缘、质量轻、不易破碎、抗紫外线等优良品质。

单孔透主要以( )材料为材质,单面喷印画面,内面墨色,黑色胶底,它利用小孔透视的原理,达到透光率与画面表现率的最佳结合点。

光线通过灯具射出,其中90%-100%的光通量聚集在假定的工作面上,这种照明方式为( )。

( )是其中90%-100%的光通量通过天棚或墙面反射作用于工作面,10%以下的光线则直接照射工作面。

被( )照射的服装有明亮的感觉,能完整地展示整件服装的色彩和细节。但立体感和质感较差,一般用于卖场中货架的照明。

服装卖场常用的光源以( )和气体放电光源为主。

服装卖场中常用的主要是( b )、槽灯和镶嵌灯。

( )就是以直接照明的方式将光线以一定角度集中投射到某些区域或商品上,创造视觉的重点。

根据不同的( )特征,可以充分利用光的透射性、反射性和折射性进行表现。

对光的( )特性合理利用,既有助于避免光的强烈对比和对人形成光污染,同时也具有一定的装饰性。

光影设计时,可以利用( )、物影造型、透影造型和叠影造型进行设计。

( )为环境提供基本的光照度,此类灯具一般安装在天花板或顶部框架结构上,提供范围较大的照明。

橱窗陈列调研分析报告

内衣的陈列方式遵循( )陈列原则

正挂陈列最大的优势是什么?

下列哪一种陈列手法可以产生稳定、平和的美感

服装的侧挂应按照( )的原则进行陈列

均衡法是通过什么手段达到平衡的。

按照人的正常视觉高度,哪个高度范围内的商品最直观,拿取最方便。

下列哪个陈列空间要注重视觉氛围的营造。

卖点陈列pp主要用来做什么?

对比初学者来说,橱窗色彩平面规划一般从( )入手,店内规划一般从( )入手。

渐变法利用的是色彩之间的 ( )变化。

使用渐变的一杆侧挂具有怎样的视觉感受。

彩虹法利用的是色彩之间的( )变化?

同类色给人的视觉感受是怎样的。

弱对比色给人的视觉感受是怎样的。

点缀色给人的视觉感受是怎样的。

导购空间的规划主要是通过 ( ) 来实现的。

在导入口,为了符合顾客的行为习惯,尤其要注重哪一侧的商品陈列?

以下哪一项不是不是半开放式橱窗的特点?

以“夏日风情“为主题,于3月20号—4月20进行橱窗展示,主推夏季新品,这属于哪一类主题?

如果模特a的t恤与模特b的连衣裙颜色一致,这是采用了哪一种搭配方法?

为了让顾客更清楚商品的设计思想,可以采取什么方法?

为了突出橱窗中的某个模特,我们利用哪种照明?

在新季之初,你要做一个新季陈列方案。你认为以下哪个数据可以帮助你?

商品销售的哪个阶段是销售的黄金时期,销售额达到最高峰。

在商品导入期,陈列的主要目的是什么?

在商品成长期,陈列的主要目的是什么?

在商品销售的成熟期,哪一类商品最能够帮助销售,最值得重点陈列?

以下哪种方案适合在商品销售的衰退期使用。

群组模特搭配陈列时,要在( )上有呼应关系。

内衣的陈列方式遵循( )陈列原则

试衣间是一个特殊的场所,除了保证清洁舒适以外,还要注重哪些方面?

优秀的陈列必须满足哪些特点?

以下哪种方式属于对称法?

均衡法陈列的商品给人怎样的视觉感受。

以下哪些方式属于重复法的陈列手段。

重复法陈列的商品给人怎样的视觉感受?

陈列空间包括哪几种?

视觉空间是指哪些空间。

视觉重点陈列vp主要用来做什么?

店铺色彩平面规划有几种类型。

如果用主题进行平面规划的话,怎样选择色彩。

以下说确的是?

在现实中,彩虹法一般用在什么地方?

琴键法一般用于哪种陈列形式。

以下哪些情况适合运用琴键法来陈列。

以下哪组搭配属于同类色搭配。

以下哪组搭配属于对比色搭配。

点缀色搭配的特点是怎样的。

怎样规划三大视觉焦点,才能让顾客对品牌保持持续关注度。

以下哪些区域属于顾客空间?

想要让顾客在店内多停留一些时间,可以从哪些方面着手。

为了让顾客更好地浏览商品,店内的通道大小该怎样设定?

橱窗从位置划分为店头橱窗和店内橱窗。

陈列工作范畴是布置卖场和整理服装。

橱窗是传播品牌文化和销售信息的载体。

卖场黄金区域在前半场,主要用来放主推款。

商品配置计划分:色彩分类、性别分类、品种分类 、价格分类、风格分类、尺码分类、系列分类、面料分类八种。

侧挂服装采用从左往右,由小到大的原则,隔板上的服装从上到下,由小到大。

人体工程学中尺度和视觉这两个因素对陈列工作影响最大。

叠装陈列层板上每叠服装的高度一致,为了方便顾客取放,每叠的上方一般至少要留有1/4 的空间。

国际著名服装阿玛尼是______________人。

卖场中常用灯有______________、___ ___________、_______________三种

试衣间一般采用色温低的光源,使色彩呈______________色。

色彩越鲜艳______________越高。

流水台也叫_____________或_____________。

which of the following is a signature dish of cantonese cuisine?

which is not a typical feature of western cuisine?

which of the following is not a variant of pasta?

which of the following is not a type of wine?

which of the following is good table manner?

which of the following are typical food and drinks in tibet?

modern day drinking games in china include

which of the statements about drinking etiquette are correct?

the factors that define the quality of wine are

what does a formal meal in china usually include?

beijing roast duck is a good example of the combination of color, aroma, taste and form.

general tso’s chicken was created by general zuo zongtang.

the most typical american food is apple pie.

the full english breakfast is served throughout the day in some restaurants in uk.

luyu was called tea saint for compiling tea classics.

tea originated in china and then spread to other parts of the world.

americano is the base for making other varieties of coffee drinks.

napa valley in the us is a famous wine region in the “new world”.

in china, all dishes are placed on a round table for everyone to share.

the correct way to handle your utensils is to hold your fork in your left hand and your knife in your right hand.

which dynasty created the most brilliant time in the history of chinese clothing?

one of the common clothing styles during the song dynasty was

which one of the statements is not true?

what cause(s) the ersity of the ethnic minority’s clothes?

the clothes deliver the personal information of the wearer, such as:

what are the remarkable features of zhongshan suit?

two renowned silk producing regions are ___ and ____.

what are the features of the renaissance clothing?

the fashion show has become

the miao ethnic minority people mainly make a living by fishing and they used to make clothes with fish-skin.

clothing may serve as a symbol of times or an era.

according to zuozhuan(《左传》), the “real” clothes were invented by the yellow emperor.

the clothing in the xia, shang and zhou dynasties featured a top-bottom style.

the origins of cheongsam date back to the qing dynasty.

among the big four fashion weeks, china fashion week is widely considered.

various forms of lighting and special effects are the indispensable elements of modern fashion shows.

copper buttons originally were used for reinforcement and became a long-lasting iconic element in jeans.

baroque and rococo costumes worn by the nobles and royalty were slack and casual.

nowadays, there are still remarkable differences between chinese clothing and western clothing.

on july 6 2019, which archaelogical site of china was declared a world heritage site by unesco?

which of the following styles belong to the eight famous architecturial styles in china?

the four famous ancient academies in chinese history include

which are the typical private gardens in suzhou?

what are the three wonders in huizhou?

the four great ancient chinese grottoes includes

the four great ancient academies in chinese history include

the greek orders of columns are used including

renaissance architecture emphasizes on

what are the features of modern architecture ?

roman aqueduct is a project for irrigation

both the temple of zeus and the parthenon are located in rome.

the world famous forbidden city is also known as the palace museum.

the summer palace was known as the “garden of all gardens”.

tengwang pavillion is located in jiangxi province.

yungang grottoes are situated at a strategic point along the silk route at the crossroads of trade as well as religious, cultural and intellectual influences.

the byzantine style has exotic domes and mosaics.

cologne cathedral in germany and milan cathedral in italy are representatives of gothic architecture.

petronas twin towers was the world’s tallest building from1998 to 2004.

china zun tower or citic tower is the tallest building in beijing now.

the six principles of painting is raise by an art historian and critic, what is his name?

which is not included in the classical six arts of ancient china?

during which period, western painting reached its zenith in europe?

who firstly use the painting technique of perspective (透视法) in the period of the renaissance.

what kind of style does bernini's sculptures belong to?

which are the basic tools of chinese painting?

which are the best three running script works in the world?

who are the three giant renaissance masters?

who are the representative artists of the impressioni?

which sculpture works belong to the ancient greek time?

ink and wash painting is one of the "four arts" of the chinese scholar-official class.

wu daozi (吴道子) used only black ink and freely painted brushstrokes to create ink paintings.

the earliest characters oracle bone inscriptions(甲骨文)belonged to the zhou dynasty.

one of the characteristics of seal script is the “silkworm's head and swallow's tail”.

people began to concentrate less on religious themes and adopt a more humanistic attitude to life during the renaissance.

one of the most important discoveries during the renaissance was how to draw things in perspective (透视法).

the masterpieces of leonardo da vinci (达芬奇) include mona lisa, the last supper and the creation of adam.

the impressionists were the first painters to work outdoors, who were eager to show how light and shadow fell on objects at different times of day.

venus de milo (米洛斯的维纳斯) is believed to depict aphrodite (阿芙洛狄忒), the greek goddess of love and beauty.

michelangelo (米开朗基罗) was an italian sculptor, painter and architect of the early renaissance.

the sequence of the different stage of classical music is:

who was a crucial figure in the transition between classical and romantic eras in classical music?

which one was later associated with “the pear garden (梨园)”?

which of the following is not ballroom dance

who made great accomplishments in chinese style pop music

which television show contributed to the thriving of pop music in the 1980s

which song is considered america’s greatest war protest song

who are the outstanding representatives of classical music era?

the basic types of ballet inclde

the three broad categories of hip pop dance are

bone flutes (骨笛), which were found in jiahu village (贾湖) , henan province, was traced back to 8,000 years ago.

the basic collection of chinese music notes are the same with western music.

compared with baroque music, classical music has a lighter, clearer texture and is less complex. composers began to strive for beauty through simplicity and balance.

the golden age of chinese dance came in the song dynasty, when song and dance was at the highest level.

“guo-zhuang”(锅庄) is a tibetan dance, which is a form of circle dancing.

isadora duncan is the mother of modern dance.

pointe work became a norm of the ballerina during the romantic ballet period.

the most popular dance in china is street dance.

li yuchun was the first pop idol elected by fans instead of by record companies in china.

in swing dance, couples hold hands instead of placing hands on the shoulders or around the waist.

taylor swift is a prominent country music performer in the us.

which is not the typical and popular sports in canada?

which one is not among the connotations of the olympic spirit given by the olympic charter:

which one is generally not regarded as the symbol of britain?

the typical and popular sports in america are:

during the evolution of the olympic movement, there are some adjustments including the addition of:

the sacred flame of olympics traveled from greece to the host country in creative ways, such as:

chinese kung fu includes hundreds of styles of chinese martial arts, such as:

sports are for competition and cannot serve as the national symbols.

equestrian, fencing and golf enjoy long history in britain.

baron pierre de coubertin was the french educator who was revered as the "father of modern olympics"

gold medal and winning is the first principle of the olympic spirit.

the modern olympic torch relay began in 1896 the athens olympics.

the ignition design of the olympic main torch and the person who light it remained the mystery until the opening ceremony.

the shaolin style of kung fu include dragon, tiger, panther, snake, and crane styles of fighting.

chinese kung fu has been known to the world via movies, books and tv shows since 1980s.

it is said that the earliest form of football was called cuju in ancient china.

basketball was created by a physical education professor and instructor named james naiith.

western opera is a combination of

who are famous chinese modern dramatists

who are regarded as the four great dramatists in the yuan dynasty?

which plays were written by bai pu?

which of the following statements are true?

the cantonese opera is popular in

which of the following works were written by cao yu

which of the following works were written by lao she

in the history of western opera, who were regarded as the italian triumvirate?

which of the following operas belong to mozart's german singspiel?

the most famous playwrights of the greek tragedy were__________.

the four masterpieces of shakespeare's comedy are_______ in addition to the twelfth night .

in the following descriptions, which are true about henrik ibsen?

which of the following are true about eugene o'neill?

western opera originated in italy during renaissance.

the modern drama movement started in 1907.

wang shifu’s masterpiece is romance of the western chamber

tang xianzu was a famous dramatist of the yuan dynasty

in peking opera, white masks symbolize evil craftiness and suspicion

huangmei opera was also called the tea-picking opera

in opera,the singing style of actors is decided by character.

turandot adopts a chinese folk song, jaine flower.

the first dramatic society in china is the spring willow society

sunrise was written by guo moruo

renaissance originated in florence, italy.

in hamlet, hamlet killed his father and married his mother.

modern western drama tends to be ersified with different thoughts and different writing techniques.

long day's journey into night is eugene o'neill 's autobiographic play.

which of the following are characteristics of action films?

which of the following is the subject of disaster films?

which of the following are characteristics of science fiction films?

who are the representatives of the 5th generation of chinese directors?

which of the following actors made great contributions to chinese martial arts action movies?

which of the following are the characteristics of hollywood blockbusters ?

charlie chaplin’s representative fims include__.

three biggest international film festivals in europe are__.

three major chinese-language film awards are __.

which of the following films are chinese new year blockbusters?

a film genre is a category of movies with a similar style or about a similar subject.

comedy films are designed to elicit tears from the audience.

famous “james bond” – agent 007 spy series are typical action films.

in western films, viewers can expect cowboys riding on horseback.

in 2002, hero directed by zhang yimou opened the curtain for chinese blockbusters.

a trip to the moon is considered “the birth of film”.

“the tramp”, a little man in rags with baggy pants, is a classic figure charlie chaplin created .

the highest award, presented during venice international film festival, is the golden palm award.

the academy awards is regarded as the most influential film award in the world.

the hong kong film awards is regarded as hong kong’s version of the oscar awards.

连续非周期信号的频谱是 。

时域信号持续时间压缩,则频域中的低频成分 。

任意函数和函数的卷积,就是 。

已知,为单位脉冲函数,则积分的函数值为 。

两个周期比不等于有理数的周期信号之和是周期信号。

非周期变化的信号就是随机信号。

周期信号的谐波分量是依一定规律集中在一些离散的频率上;非周期信号则是依一定密度分布在0到∞的连续频带内。

在某周期方波信号的傅里叶级数式:和周期三角波信号的傅里叶级数式:中,信号的直流分量分别是 和 ,方波信号的幅值收敛速度比三角波信号 。叠加复原达到同样的精度要求时,方波信号比三角波信号需要更多的,因此,测试装置要求有更宽的 。(注意:由于系统原因,答案之间请用分号隔开,不要有空格)

对于非周期信号,当时间尺度在压缩时,则其频谱频带 ,幅值 。(由于系统原因,答案之间请用分号隔开,不要有空格)

单位脉冲函数与在点连续的模拟信号有积分式 。 (注:下脚标可以直接表示,例如可以表示为t0)

求正弦信号的单边、双边频谱、实频图、虚频图,如该信号延时后,其各频谱如何变化?

已知方波的傅立叶级数展开式为 求该方波的均值、频率成分、各频率的幅值,并画出频谱图。

图所示周期三角波的数学表达式为 求出傅立叶级数的三角函数展开式并画出单边频谱图。 周期性三角波

在一测试系统中,被测信号频率为1000hz,幅值为4v,另有两干扰信号分别为2000hz,8v和500hz,2v,则利用 提取有用信号。

信噪比越大则 。

测试系统,传递函数为,则测量信号的输出信号为 。

一阶测试系统的单位斜坡响应为下列的哪一个?

一个理想的测试装置,其输人和输出之间应具有很好的线性关系。

用二阶系统作测量装置时,为获得较宽的工作频率范围,系统的阻尼比应接近于0.707。

用二阶系统作测量装置时,影响幅值测量误差大小的参数有灵敏度。

系统的传递函数,分别为响应与激励的拉氏变换,表明将随的减小而增大。

理想的测量系统应该具有单值的、确定的 关系,其中以输出和输入成 关系为最佳。

已知输人信号,这时,一阶装置的,则该装置的稳态输出表达式是 。

传感器的静态特性指标之一是 。

无源传感器又称为型传感器 。

在下面的传感器的主要性能指标中,能反映传感器对于随时间变化的动态量的响应特征的是 ,能够反映多次连续测量时测量值的分散度的是 。

压电传感器的前置放大器的主要作用是 。

压阻式传感器和应变式传感器相比,工作原理类似,以下说确的是: 。

电涡流效应中,线圈阻抗的变化与 有关。

传感器的灵敏度越高,意味着传感器所能感知的被测量越小。

传感器的响应特性必须在所测频率范围内努力保持不失真测试条件。

传感器的静态特性中,输出量的变化量与引起此变化的输人量的变化量之比称为线性度。

金属应变片与半导体应变片在工作原理上都是利用金属形变引起电阻的变化。

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