The invention discloses a life detection device and application thereof and belongs to the technical field of detection equipment. The life detection device based on No content change monitoring and the application of the life detection device have the advantages that vital signs in a target space can be judged precisely, rescue after disasters can be carried out rapidly and efficiently, and a guarantee can be provided for anti-theft monitoring on the occasions such as bank vaults and archives.

Life detection device and application thereof

A life detection apparatus and the use thereof, belonging to the technical field of detection devices. The life detection apparatus comprises a detection unit, a data transmission unit and a data processing unit, wherein the detection unit is used for detecting nitric oxide in a target space. A life detection apparatus based on monitoring a change in nitric oxide content and the use thereof can accurately determine whether there are life signs in a target space, thereby ensuring a swift and highly efficient rescue operation after a disaster, and can also provide a safeguard in anti-theft monitoring in places such as a bank vault and archives.

Life detection apparatus and use thereof

An embodiment antenna system includes a first antenna portion configured to transmit a first signal received from a first feed and a second antenna portion configured to transmit a second signal received from a second feed. The second antenna portion is capacitively coupled to the second feed and inductively coupled to the first antenna portion, and the second signal has a frequency greater than a frequency of the first signal.

Combination sub-6 ghz and mmwave antenna system

A device detecting NO through chemiluminescence and a detecting method thereof are disclosed. The device comprises a gas generating system and a nitrogen oxide chemiluminescence analyzer, and also comprises a sealing component for accommodating an impurity adsorber, a mass flux control branch and a branch of a gas source to be detected. The gas generating system is separately connected to the mass flux control branch and the branch of the gas source to be detected. One end of the sealing component is separately connected to the mass flux control branch and the branch of the gas source to be detected, and the other end of the sealing component is connected to the nitrogen oxide chemiluminescence analyzer. The method detects through the device. The method can effectively eliminate impurity interferences through impurity adsorber treatment under specific conditions so that NO detection is more accurate.

A device detecting NO through chemiluminescence and a detecting method thereof

The present invention discloses a multi-band antenna. The multi-band antenna is provided with: a plurality of antenna radiating elements comprising a VHF band antenna, an S band antenna, and an L band antenna, which are used to radiate radio electromagnetic energy to space and receive radio electromagnetic energy; an L band feeding unit, used to feed the L band antenna; an S band feeding unit, used to feed the S band antenna; an S band diplexer unit, used to achieve high isolation between receiving and sending by the S band antenna, wherein the VHF antenna element is electrically connected to the S band feeding unit; and a VHF antenna multi-frequency matching unit, used for multi-frequency matching of the VHF band antenna. The multi-band antenna disclosed by the present invention has the following advantages that the antennas are combined and arranged in vertical space according to radiation characteristics of the antennas, so that electromagnetic radiation of the antenna of each band is in a required spatial direction, signals of each frequency can be effectively transmitted and received, and a feed circuit of each band can perform effective feeding for each band, providing line-of-sight, middle-distance, and long-distance alerts, reports, and voice communication.

Zhu Haijun

Papers

A device detecting NO through chemiluminescence and a detecting method thereof

Multi-band antenna and combination and multiplexing method for implementing antenna