电声技术影响因子

共计199 一,选择题 (一)单选题

1,在可闻声频率范围内,音调和频率不呈线性关系,而呈_D_关系. A 指数 B复数 C 平方 D对数

2,人耳听觉的可闻阈声压级为0dB,痛阈声压级为_C_. A 100 dB B 80 dB C 120 dB D 200 dB

3,在许多音响设备中都设有立体声展宽电路,这种电路是根据人的_B_效应设计的. A 相位 B 双耳 C 声压 D 频率

4,要保持原有声音,就必需根据等响曲线对不同频率的声音进行不同程度的_D_. A 衰减 B 增强 C补偿 D 滤波

B5,多频段均衡器是一种能调整和改变音响系统_D_特性的声频处理设备.

A 幅度 B 频响 C声像 D 相位

7,当声音向四周空间传播时,能量向四周均匀扩散.随着离声源距离的_C_,声强将按距离的平方规律衰减,这就是所谓球面波扩散的反平方定理. A 相等 B减小 C 增加 D 不变

8,两扬声器的声级差_C_,声像偏移量越大. A 越小 B 成倍 C越大 D 相等

9,声源停止发声后,声压级降低_B_所需的时间称为混响时间. A 80dB B 60dB C 40dB D100dB

A10,借助改变两声道的声级差或时间差,可改变_C_的位置.

Journal Data Filtered By: Selected JCR Year: 2013 Selected Editions: SCIE,SSCIRank

Full Journal TitleTotal CitesJournal

Impact

1CA-A CANCER JOURNAL FOR CLINICIANS2NEW ENGLAND JOURNAL OF MEDICINE3CHEMICAL REVIEWS4REVIEWS OF MODERN PHYSICS5NATURE6Annual Review of Immunology7NATURE REVIEWS GENETICS8LANCET9NATURE BIOTECHNOLOGY10NATURE REVIEWS CANCER11NATURE REVIEWS DRUG DISCOVERY12NATURE REVIEWS MOLECULAR CELL BIOLOGY13NATURE MATERIALS14NATURE REVIEWS IMMUNOLOGY15Nature Nanotechnology16CELL17SCIENCE18NATURE REVIEWS NEUROSCIENCE19

Journal Data Filtered By: Selected JCR Year: 2013 Selected Editions: SCIE,SSCIRank

Full Journal TitleTotal CitesJournal

Impact

1CA-A CANCER JOURNAL FOR CLINICIANS2NEW ENGLAND JOURNAL OF MEDICINE3CHEMICAL REVIEWS4REVIEWS OF MODERN PHYSICS5NATURE6Annual Review of Immunology7NATURE REVIEWS GENETICS8LANCET9NATURE BIOTECHNOLOGY10NATURE REVIEWS CANCER11NATURE REVIEWS DRUG DISCOVERY12NATURE REVIEWS MOLECULAR CELL BIOLOGY13NATURE MATERIALS14NATURE REVIEWS IMMUNOLOGY15Nature Nanotechnology16CELL17SCIENCE18NATURE REVIEWS NEUROSCIENCE19

1147171368747874738321058398710656760541231079955739948305413473000568132773076533193202127523768123706177186293775732192989326528618869159807547629086739917651788137770856787128924ACS Sustainable Chemistry & Engineering

4OR-A Quarterly Journal of Operations ResearchAAOHN JOURNALAAOHN JOURNALAAPG BULLETINAAPS Journal

AAPS PHARMSCITECHAATCC REVIEW

Abacus-A Journal of Accounting Finance and Business StudiesABDOMINAL IMAGING

ABHANDLUNGEN AUS DEM MATHEMATISCHEN SEMINAR DER UNIVERSITAT HAbstract and Applied Analysis

Academia-Revista

1147171368747874738321058398710656760541231079955739948305413473000568132773076533193202127523768123706177186293775732192989326528618869159807547629086739917651788137770856787128924ACS Sustainable Chemistry & Engineering

4OR-A Quarterly Journal of Operations ResearchAAOHN JOURNALAAOHN JOURNALAAPG BULLETINAAPS Journal

AAPS PHARMSCITECHAATCC REVIEW

Abacus-A Journal of Accounting Finance and Business StudiesABDOMINAL IMAGING

ABHANDLUNGEN AUS DEM MATHEMATISCHEN SEMINAR DER UNIVERSITAT HAbstract and Applied Analysis

Academia-Revista

SCI影响因子查询

Rank

ISSN

Abbreviated Journal Title

Full Title

Category

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51

1619-4500 0891-0162 0149-1423 1550-7416 1530-9932 1532-8813 0942-8925 0025-5858 1085-3375 1069-6563 1040-2446 1876-2859 1076-6332 0898-9621 0001-4842 0949-1775 0889-325X 0889-3241 0360-0300 1550-4832 0362-1340 1549-6325 1544-3558 1544-3566 1556-4665 1529-3785 0734-2071 1073-0516 0362-5915 1084-4309 1539-9087 0730-0301 1046-8

SCI影响因子查询

Rank

ISSN

Abbreviated Journal Title

Full Title

Category

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51

1619-4500 0891-0162 0149-1423 1550-7416 1530-9932 1532-8813 0942-8925 0025-5858 1085-3375 1069-6563 1040-2446 1876-2859 1076-6332 0898-9621 0001-4842 0949-1775 0889-325X 0889-3241 0360-0300 1550-4832 0362-1340 1549-6325 1544-3558 1544-3566 1556-4665 1529-3785 0734-2071 1073-0516 0362-5915 1084-4309 1539-9087 0730-0301 1046-8

Abbreviated Journal Title Mark Rank (linked to journal information) ISSN Total Cites

116 23 126 39 42 48 66 51 62 73 44 22 46 79 114 43 10 81 119 52 17 113 120 33 63 13 87 60 85 36 31 50 80 109 96 49 93 78 5 57 38 74 29 30 103 118 15 108 98

MOL NUTR FOOD RES CRIT REV FOOD SCI TRENDS FOOD SCI TECH FOOD BIOPROCESS TECH FOOD CHEM FOOD MICROBIOL INT J FOOD MICROBIOL FOOD QUAL PREFER INNOV FOOD SCI EMERG J AGR FOOD CHEM FOOD CONTROL COMPR REV FOOD SCI F FOOD HYDROCOLLOID J CEREAL SCI MEAT SCI FOOD CHEM TOXICOL AUST J GRAPE WINE R

【自然科学】材料期刊排名及影响因子

Nature

Science

Nature Material

Nature Nanotechnology

Progress in Materials Science

Nature Physics

Progress in Polymer Science

Surface Science Reports

Materials Science & Engineering R-reports

Angewandte Chemie-International Edition

Nano Letters

Advanced Materials

Journal of the American Chemical Society

Annual Review of Materials Research

Physical Review Letters

Advanced Functional Materials

Advances in Polymer Science

Biomaterials

Small

Progress in Surface Science

Chemical Communications

MRS Bulletin

Chemistry of Materials

Abbreviated Journal Title ISSN2014 Total Cites Impact Factor

CA-CANCER J CLIN0007-923518594115.84 NEW ENGL J MED0028-479326865255.873 CHEM REV0009-266513760046.568 LANCET0140-673618536145.217 NAT REV DRUG DISCOV1474-177********.908 NAT BIOTECHNOL1087-01564598641.514 NATURE0028-0836********.456 ANNU REV IMMUNOL0732-05821675039.327 NAT REV MOL CELL BIO1471-00723592837.806 NAT REV CANCER1474-175X3986837.4 NAT REV GENET1471-00562938836.978 NAT MATER1476-11226462236.503 JAMA-J AM MED ASSOC0098-748412647935.289 NAT REV IMMUNOL1474