The wideband active quasi-circulator developed by CityU allows simultaneous transmission and reception of signals from an antenna to different transmit and receive path signals without using separated filters. It enables a single device to operate in multiple bands and replace the separate blocks of.....
[更多]
The invention is a hybrid photovoltaic/thermal collector that converts solar energy to electrical energy and thermal energy by using photovoltaic cells and thermal energy collector respectively. This solar collector comprises a layer of photovoltaic (PV) cells laminated to the surface of a thermal c.....
[更多]
The Doherty power amplifier (DPA), a component used in wireless communication devices, has two sub-amplifiers operating at different power levels. The differing bias conditions usually lead to unbalanced current driving ability and efficiency reduction. Unlike common techniques employed to achieve i.....
[更多]
This invention involves a DNA chip for parallel detection of multiple respiratory viruses, especially involving the technology of combining nucleotide sequences probe complementing with respiratory virus DNA / RNA and genetic chip arraying in form of a matrix with multiplex polymerase chain reaction.....
[更多]
This tool helps users verify or rectify Chinese character conversions manually by offering “batch correction” and “search and then correction”. An operation can be paused and resumed with a click of a button.
[更多]
| |< <- | [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] | -> >| |
