Japanese symbol for “dft”

離散フーリエ変換

りさんフーリエへんかん

Romaji: risanfuuriehenkan

discrete Fourier Transform; DFT

In Japanese, dft is 離散フーリエ変換, read りさんフーリエへんかん (risanfuuriehenkan).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

n discrete Fourier Transform; DFT (math)

Kanji and stroke order

離

detach, separation, disjoin

on: リ
kun: はな.れる、はな.す

19 strokes · JLPT 1

散

scatter, disperse, spend

on: サン
kun: ち.る、ち.らす、-ち.らす、ち.らかす

12 strokes · JLPT 2

変

unusual, change, strange

on: ヘン
kun: か.わる、か.わり、か.える

9 strokes · JLPT 2

換

interchange, period, change

on: カン
kun: か.える、-か.える、か.わる

12 strokes · JLPT 2

Related words

Words that share a kanji.

Word	Reading	Meaning
距離	きょり kyori	distance; range; interval
離婚	りこん rikon	divorce
分離	ぶんり bunri	separation; partition; detachment
離れる	はなれる hanareru	to be separated; to be apart; to be distant
離脱	りだつ ridatsu	withdrawal; secession; separation
離陸	りりく ririku	takeoff
解散	かいさん kaisan	breaking up (a meeting, gathering, etc.); dispersal (e.g. of a crowd)
散歩	さんぽ sanpo	walk; stroll
大変	たいへん taihen	very; greatly; terribly
交換	こうかん koukan	exchange; interchange; switching

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.