信號(hào)處理包含了信號(hào)處理理論和實(shí)踐的各個(gè)方面。它的特色是原始的研究工作，教程和評(píng)論文章，以及對(duì)實(shí)際發(fā)展的敘述。它旨在向從事信號(hào)處理研究、開發(fā)或?qū)嶋H應(yīng)用的工程師和科學(xué)家快速傳播知識(shí)和經(jīng)驗(yàn)。該期刊涵蓋的主題領(lǐng)域包括：信號(hào)理論；隨機(jī)過程；檢測和估計(jì)；光譜分析；濾波；信號(hào)處理系統(tǒng)；軟件開發(fā)；圖像處理；模式識(shí)別；光學(xué)信號(hào)處理；數(shù)字信號(hào)處理；多維信號(hào)處理；通信信號(hào)處理。生物醫(yī)學(xué)信號(hào)處理；地球物理和天體物理信號(hào)處理；地球資源信號(hào)處理；聲學(xué)和振動(dòng)信號(hào)處理；數(shù)據(jù)處理；遙感；信號(hào)處理技術(shù)；雷達(dá)信號(hào)處理；聲納信號(hào)處理；工業(yè)應(yīng)用；新應(yīng)用。

Signal Processing incorporates all aspects of the theory and practice of signal processing. It features original research work, tutorial and review articles, and accounts of practical developments. It is intended for a rapid dissemination of knowledge and experience to engineers and scientists working in the research, development or practical application of signal processing.Subject areas covered by the journal include: Signal Theory; Stochastic Processes; Detection and Estimation; Spectral Analysis; Filtering; Signal Processing Systems; Software Developments; Image Processing; Pattern Recognition; Optical Signal Processing; Digital Signal Processing; Multi-dimensional Signal Processing; Communication Signal Processing; Biomedical Signal Processing; Geophysical and Astrophysical Signal Processing; Earth Resources Signal Processing; Acoustic and Vibration Signal Processing; Data Processing; Remote Sensing; Signal Processing Technology; Radar Signal Processing; Sonar Signal Processing; Industrial Applications; New Applications.