The invention relates to a terahertz cancer detector comprising a high-frequency local oscillator signal unit, a signal receiving and processing unit, a control unit and a power source module. The high-frequency local oscillator signal unit generates a high frequency local oscillator signal that is irradiated to a to-be-detected object; multi-channel high-frequency signals after phase shifting arereflected by all interfaces of the to-be-detected object; and phases of starting points of certain faults in the multi-channel high-frequency signals and the high frequency local oscillator signal have differences and amplitudes are attenuated. The signals are sent to the signal receiving and processing unit; a plurality of paths of intermediate frequency signals that correspond to a plurality offaults and have changing phases and frequencies are outputted to a multi-channel amplifier simultaneously by a multiplex ultra-narrowband filter; the multi-channel amplifier outputs amplified signalsto corresponding phase-shifted intermediate-frequency signal demodulation units for simultaneous demodulation; multi-channel PD variable values are obtained and then data of a plurality of faults arecalculated based on the PD variable values; and then calculation is carried out based on the fault data to obtain parameters of the detected object and imaging is carried out. Because of the the terahertz detection, the cost is low and the detection signal power is low; and no side effects are caused on the human body.

Terahertz cancer detector

Three-dimensional tomography systems (10, 20, 30) and a method, the systems (10, 20, 30) comprising: a non-diffractive device (101), a condensing device (102), a scanning device (103), and a receiver (104). The non-diffractive device (101) is used for condensing an incident first light beam into a second light beam; the condensing device (102) is disposed at a light emergent side of the non-diffractive device (101), the condensing device (102) is formed thereon with a through hole (1021), and the second light beam is emitted to the scanning device (103) by means of the through hole (1021); the scanning device (103) is used for reflecting the second light beam in a scanning manner to a material to be detected (A), and reflecting a third light beam reflected by the material to be detected (A) to the condensing device (102); and the receiver (104) is disposed in a condensing area of the condensing device (102) and used for receiving the third light beam condensed by the condensing device (102) so as to construct a three-dimensional image of the material to be detected (A) by using information of the third light beam. By means of the described manner, the accuracy of material detection may be improved.

Three-dimensional tomography systems and method

Popular Tasks used by Researchers

How can I help with your research?

Get more enhanced response by uploading the PDFs you want me to reference.

No relevant PDFs in your library

SciSpace is the AI research assistant for academics. Run systematic literature reviews on 280M+ papers, and write papers with cited sources. Trusted by 1M+ students, PhDs & researchers.

SciSpace | AI for Research

We encountered an error while loading the panel. Please try refreshing the page.

Something went wrong

Analyze PDFs

Code & Manuscripts

Funding & Grants

Literature & Patents

Medical & Clinical Data

Systematic Review

Visualize & Present

Web & Data

Build a Google Scholar-like website for your research.

Build a website

Create charts and images for your research

Create a Chart

Write a paper for submission to a journal

Draft a manuscript

Patent Search

Design eye-catching scientific posters in minutes.

Scientific Poster Generation

Systematic Literature Review

Anyone with the link can view this chat. You can switch it back to private anytime.

One task is running at the moment. Your messages will be shown right after.

Drag and drop or click here to browse

Loved by <highlight>1 million+</highlight> researchers

Extract a list of specific topics and their sources from unstructured text

Topics

Compare and analyze relevant papers that matches with your search

Papers

Get insights from PDFs and bookmarked papers from your library

My library

Recent searches

Try searching for:

Catch AI-generated content in scholarly and non-scholarly content

{ai} Detector

Ai Writer

Get PDF Summaries, highlighted text explanations 

Chat with PDF

Effortlessly create in-text citations and bibliographies in APA and 2,500 other formats

Citation generator

Get explanations, summaries, and answers on academic papers

Ease up your research workflow with {scispace}'s cohort of exciting AI tools

Elevate your academic writing skills and convey your ideas the way you want

Paraphraser

Explore our range of reading and writing tools

Your file is being prepared and should be ready in a few minutes. If it's a large file, it might take a bit longer. You can close this window, and we'll email you the file when it's done.

You have reached a maximum limit of <strong>{limit}</strong> columns in the table. Remove at least <strong>1</strong> column to add or create another one.

Liu Yanli

Author Tools

Chat about Author

Papers

Three-dimensional tomography systems and method