スペクトル分ぶん析せきスペクトルぶんせきMeanings1nounspectrum analysisTechnical term used in physics, chemistry, and signal processing to examine the frequency components of a signal or substance.この装そう置ちはスペクトル分ぶん析せきによって物ぶっ質しつの成せい分ぶんを調しらべ