Topic
Large format
About: Large format is a research topic. Over the lifetime, 805 publications have been published within this topic receiving 9796 citations.
Papers published on a yearly basis
1 / 2
Papers
TL;DR: In this article, a large format mosaic CCD camera for the Sloan Digital Sky Survey (SDSS) is presented, which consists of two arrays, a photometric array which uses 30 2048 x 2048 SITe/Tektronix CCDs (24 micron pixels) with an effective imaging area of 720 square cm, and an astrometric array that uses 24 400 x 2048 CCD with the same pixel size, which will allow us to tie bright standard stars to the objects imaged in the photometric camera.
Abstract: We have constructed a large format mosaic CCD camera for the Sloan Digital Sky Survey. The camera consists of two arrays, a photometric array which uses 30 2048 x 2048 SITe/Tektronix CCDs (24 micron pixels) with an effective imaging area of 720 square cm, and an astrometric array which uses 24 400 x 2048 CCDs with the same pixel size, which will allow us to tie bright astrometric standard stars to the objects imaged in the photometric camera. The instrument will be used to carry out photometry essentially simultaneously in five color bands spanning the range accessible to silicon detectors on the ground in the time-delay- and-integrate (TDI) scanning mode. The photometric detectors are arrayed in the focal plane in six columns of five chips each such that two scans cover a filled stripe 2.5 degrees wide. This paper presents engineering and technical details of the camera.
1,540 citations
TL;DR: To support a good interface between the FPA and downstream signal processing stage, both conventional and CMOS readout techniques are presented and discussed and future development directions including the smart focal plane concept are introduced.
Abstract: A discussion of CMOS readout technologies for infrared (IR) imaging systems is presented. First, the description of various types of IR detector materials and structures is given. The advances of detector fabrication technology and microelectronics process technology have led to the development of large format array of IR imaging detectors. For such large IR FPAs which is the critical component of the advanced infrared imaging system, general requirement and specifications are described. To support a good interface between the FPA and downstream signal processing stage, both conventional and CMOS readout techniques are presented and discussed. Finally, future development directions including the smart focal plane concept are also introduced.
211 citations
Patent•
6 May 2002TL;DR: In this paper, a large format, digital, macro-image (80, 230, 236, 238', 240'), which can be colored, is used to acquire sub-images of overlapping sub-areas of large area objects.
Abstract: Large format, digital camera systems (10, 100, 150, 250, 310) expose single detector arrays 20 with multiple lens systems (12, 14, 16, 18) or multiple detector arrays (104, 106, 108, 110, 112, 114, 116, 118, 120, 152, 162, 172, 182, 252, 262, 272, 282, 322, 324) with one or more single lens systems (156, 166, 176, 186) to acquire sub-images of overlapping sub-areas of large area objects. The sub-images are stitched together to form a large format, digital, macro-image (80, 230', 236', 238', 240'), which can be colored. Dampened camera carrier (400) and accelerometer (404) signals with double-rate digital signal processing (306, 308) are used.
152 citations
1 May 2013
TL;DR: This presentation discusses the effects of temperature on large format lithium-ion batteries in electric drive vehicles.
Abstract: This presentation discusses the effects of temperature on large format lithium-ion batteries in electric drive vehicles.
131 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2025 | 3 |
| 2024 | 9 |
| 2023 | 20 |
| 2022 | 40 |
| 2021 | 24 |
| 2020 | 25 |