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Trellis (other)
Trellis may refer to: Structures * Trellis (architecture), an architectural structure often used to support plants (especially vineyards) * Trellis drainage pattern, a drainage system Technology * Trellis (graph), a special kind of graph used in computer science * Trellis chart, a series or grid of small similar graphics or charts, allowing them to be easily compared * Trellis modulation or trellis coded modulation, in telecommunications * Trellis quantization, a method of improving data compression, often used in lossy video compression People * Jonathan Whitehead (born 1960), composer who sometimes publishes under the name "Trellis" * Oswald Trellis (born 1935), Dean of St George's Cathedral Other uses * Mrs. Trellis of North Wales, a fictional radio correspondent in ''I'm Sorry I Haven't a Clue'' See also * Lattice (other) * Trestle bridge, a bridge that consists of a number of short spans * Truss A truss is an assembly of ''members'' such as beams, connected ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trellis (architecture)
A trellis (treillage) is an architectural structure, usually made from an open framework or lattice of interwoven or intersecting pieces of wood, bamboo or metal that is normally made to support and display climbing plants, especially shrubs.The Book of Garden Furniture C. Thonger, 1903 Types There are many types of trellis for different places and for different plants, from agricultural types, especially in , which are covered at , to garden uses for climbers such as |
Drainage System (geomorphology)
In geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. They are governed by the topography of land, whether a particular region is dominated by hard or soft rocks, and the gradient of the land. Geomorphologists and hydrologists often view streams as part of drainage basins (and sub-basins). This is the topographic region from which a stream receives runoff, throughflow, and its saturated equivalent, groundwater flow. The number, size, and shape of the drainage basins varies and the larger and more detailed the topographic map, the more information is available. Drainage patterns Per the lie of channels, drainage systems can fall into one of several categories, known as drainage patterns. These depend on the topography and geology of the land. All forms of transitions can occur between parallel, dendritic, and trellis patterns. Accordant versus discordant drainage patterns A drai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trellis (graph)
A trellis is a graph whose nodes are ordered into vertical slices (''time'') with each node at each time connected to at least one node at an earlier and at least one node at a later time. The earliest and latest times in the trellis have only one node. Trellises are used in encoders and decoders for communication theory and encryption. They are also the central datatype used in Baum–Welch algorithm or the Viterbi AlgorithmRyan, M. S., & Nudd, G. R. (1993). The viterbi algorithm. University of Warwick, Department of Computer Science. for Hidden Markov Models. The trellis graph is named for its similar appearance to an architectural trellis. References See also * Trellis modulation * Trellis quantization Trellis quantization is an algorithm that can improve data compression in DCT-based encoding methods. It is used to optimize residual DCT coefficients after motion estimation in lossy video compression encoders such as Xvid and x264. Trellis qu ... Application-specif ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trellis Chart
A small multiple (sometimes called trellis chart, lattice chart, grid chart, or panel chart) is a series of similar graphs or charts using the same scale and axes, allowing them to be easily compared. It uses multiple views to show different partitions of a dataset A data set (or dataset) is a collection of data. In the case of tabular data, a data set corresponds to one or more database tables, where every column of a table represents a particular variable, and each row corresponds to a given record of the .... The term was popularized by Edward Tufte. According to Tufte, Modern example In the example, the departmental salary expense is charted by month with a dashed line indicating the average for each department. The scales on each panel are different to emphasize the relative change over time compared to the range. Standardizing the scales could provide insight into comparisons in magnitude between the different departments. Two independent Y axes may be utilized when ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trellis Modulation
In telecommunication, trellis modulation (also known as trellis coded modulation, or simply TCM) is a modulation scheme that transmits information with high efficiency over band-limited channels such as telephone lines. Gottfried Ungerboeck invented trellis modulation while working for IBM in the 1970s, and first described it in a conference paper in 1976. It went largely unnoticed, however, until he published a new, detailed exposition in 1982 that achieved sudden and widespread recognition. In the late 1980s, modems operating over plain old telephone service (''POTS'') typically achieved 9.6 kbit/s by employing four bits per symbol QAM modulation at 2,400 baud (symbols/second). This bit rate ceiling existed despite the best efforts of many researchers, and some engineers predicted that without a major upgrade of the public phone infrastructure, the maximum achievable rate for a POTS modem might be 14 kbit/s for two-way communication (3,429 baud × 4 bits/symbol, using ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trellis Quantization
Trellis quantization is an algorithm that can improve data compression in DCT-based encoding methods. It is used to optimize residual DCT coefficients after motion estimation in lossy video compression encoders such as Xvid and x264. Trellis quantization reduces the size of some DCT coefficients while recovering others to take their place. This process can increase quality because coefficients chosen by Trellis have the lowest rate-distortion ratio. Trellis quantization effectively finds the optimal quantization for each block to maximize the PSNR relative to bitrate In telecommunications and computing, bit rate (bitrate or as a variable ''R'') is the number of bits that are conveyed or processed per unit of time. The bit rate is expressed in the unit bit per second (symbol: bit/s), often in conjunction w .... It has varying effectiveness depending on the input data and compression method. ReferencesVirtualDub/Xvid guide mentioning Trellis quantization [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jonathan Whitehead
Jonathan Whitehead (21 October 1960 – 26 May 2020) was an English musician and composer, born in Denton, Lancashire. He wrote music for television comedies such as ''The Day Today'', ''Brass Eye'', ''Black Books'', ''Green Wing'', '' Campus'' and '' Nathan Barley''. He studied music at the University of Bristol and later lived in London. He sometimes wrote under the name "Trellis". His music for ''Green Wing'' was nominated for a BAFTA and won the RTS Award for Best Original Music. A selection of music from the series was released on CD under Whitehead's artistic nom de plume, Trellis. Serious documentary and drama scores composed by Whitehead include ''War In Europe'' and ''The Clintons' Marriage of Power'' for MBC, ''Metropolis'' (with James Purefoy), three series of ''Medics'' for Granada and Kay Mellor's latest drama series '' Strictly Confidential'' for ITV. He died on 26 May 2020 at the age of 59, with his death being announced the following month by the Radio 4 progr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oswald Trellis
Oswald Fitz Burnell Trellis was the Dean of St George's Cathedral, Georgetown, Guyana from 1994. until 2002. Born January 1, 1935 he was ordained in 1975. After studying at Chichester Theological College, he began his ecclesiastical career with Chelmsford curacies before being appointed Vicar of Heybridge in 1985. In 1994 he was elected to the Deanery of the Anglican Diocese of Guyana. He resigned in 2002 and returned to Essex as Priest in charge of the Church of All Saints, Doddinghurst Doddinghurst is a village and civil parish in the Borough of Borough of Brentwood, Brentwood, in south Essex. It is 3 miles (5 km) to the north of Brentwood, Essex, Brentwood. History The village was recorded in the Domesday Book as D ..., a post he resigned in April 2005. Notes 1935 births Living people Alumni of Chichester Theological College Deans of St George's Cathedral, Georgetown {{Guyana-bio-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lattice (other)
Lattice may refer to: Arts and design * Latticework, an ornamental criss-crossed framework, an arrangement of crossing laths or other thin strips of material * Lattice (music), an organized grid model of pitch ratios * Lattice (pastry), an ornamental pattern of crossing strips of pastry Companies * Lattice Engines, a technology company specializing in business applications for marketing and sales * Lattice Group, a former British gas transmission business * Lattice Semiconductor, a US-based integrated circuit manufacturer Science, technology, and mathematics Mathematics * Lattice (group), a repeating arrangement of points ** Lattice (discrete subgroup), a discrete subgroup of a topological group whose quotient carries an invariant finite Borel measure ** Lattice (module), a module over a ring which is embedded in a vector space over a field ** Lattice graph, a graph that can be drawn within a repeating arrangement of points ** Lattice-based cryptography, encryption systems bas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trestle Bridge
A trestle bridge is a bridge composed of a number of short spans supported by closely spaced frames. A trestle (sometimes tressel) is a rigid frame used as a support, historically a tripod used to support a stool or a pair of isosceles triangles joined at their apices by a plank or beam such as the support structure for a trestle table. Each supporting frame is a bent. A trestle differs from a viaduct in that viaducts have towers that support much longer spans and typically have a higher elevation. Timber and iron trestles (i.e. bridges) were extensively used in the 19th century, the former making up from 1 to 3 percent of the total length of the average railroad. In the 21st century, steel and sometimes concrete trestles are commonly used to bridge particularly deep valleys, while timber trestles remain common in certain areas. Many timber trestles were built in the 19th and early 20th centuries with the expectation that they would be temporary. Timber trestles were use ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
