Power spectrum

Quality:

Spectral density - relative importance of certain frequencies in a composite signal. Article “Power spectrum” in Simple English Wikipedia has 0.5 points for quality (as of July 1, 2026).

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Simple English) language version.

Since the creation of article “Power spectrum”, its content was written by 9 registered users of Simple English Wikipedia and edited by 566 registered Wikipedia users in all languages.

The article is cited 1 times in Simple English Wikipedia and cited 1555 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #877 in August 2014
• Global: #64 in June 2003

The highest popularity rank from 2008:

• Local (Simple English): #1259 in May 2013
• Global: #18440 in April 2015

There are 21 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Spectral density		52.8801
2	Chinese (zh) 谱密度		40.7941
3	Korean (ko) 스펙트럼 밀도		38.8701
4	Persian (fa) چگالی طیفی		34.439
5	Turkish (tr) Spektral yoğunluk		31.4556
6	Vietnamese (vi) Mật độ phổ năng lượng		31.0857
7	Arabic (ar) كثافة طيفية		28.3052
8	Catalan (ca) Densitat espectral		24.518
9	Japanese (ja) スペクトル密度		20.2844
10	Polish (pl) Widmowa gęstość mocy		16.5756

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	English (en) Spectral density		8 003 875
2	Japanese (ja) スペクトル密度		744 231
3	German (de) Spektrale Leistungsdichte		688 052
4	French (fr) Densité spectrale de puissance		521 658
5	Chinese (zh) 谱密度		409 645
6	Spanish (es) Densidad espectral		376 170
7	Russian (ru) Спектральная плотность мощности		354 143
8	Polish (pl) Widmowa gęstość mocy		126 532
9	Italian (it) Spettro di potenza		100 105
10	Portuguese (pt) Densidade espectral		78 095

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	English (en) Spectral density		12 202
2	French (fr) Densité spectrale de puissance		1 004
3	German (de) Spektrale Leistungsdichte		890
4	Japanese (ja) スペクトル密度		653
5	Chinese (zh) 谱密度		622
6	Russian (ru) Спектральная плотность мощности		617
7	Polish (pl) Widmowa gęstość mocy		212
8	Spanish (es) Densidad espectral		183
9	Italian (it) Spettro di potenza		68
10	Korean (ko) 스펙트럼 밀도		61

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	English (en) Spectral density		259
2	German (de) Spektrale Leistungsdichte		81
3	French (fr) Densité spectrale de puissance		52
4	Russian (ru) Спектральная плотность мощности		23
5	Chinese (zh) 谱密度		20
6	Spanish (es) Densidad espectral		18
7	Japanese (ja) スペクトル密度		18
8	Turkish (tr) Spektral yoğunluk		12
9	Polish (pl) Widmowa gęstość mocy		11
10	Italian (it) Spettro di potenza		9

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	English (en) Spectral density		3
2	Arabic (ar) كثافة طيفية		1
3	Catalan (ca) Densitat espectral		0
4	German (de) Spektrale Leistungsdichte		0
5	Esperanto (eo) Spektra povuma distribuo		0
6	Spanish (es) Densidad espectral		0
7	Estonian (et) Spektraaltihedus		0
8	Persian (fa) چگالی طیفی		0
9	French (fr) Densité spectrale de puissance		0
10	Italian (it) Spettro di potenza		0

The following table shows the language versions of the article with the highest number of citations.

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information