نتایج جستجو برای: Performance curve

تعداد نتایج: 1161614  

Journal: :iranian journal of veterinary research 2013
h. atashi m. j. zamiri a. akhlaghi m. dadpasand m. b. sayyadnejad

this study was carried out to investigate the relationship between early lactation curve parameters andcalving interval in holstein cows of iran. in order to describe the lactation curve, the incomplete gammafunction was fitted to 5,754,428 test-day milk records corresponding to 766,108 lactations on 315,634 cowsin 2,448 herds. cows with higher milk yield during early lactation had shorter calv...

Journal: :iranian journal of applied animal science 2015
h. atashi

the aim of this study was to investigate the effect of milking frequency (three times daily vs. two times daily) on the lactation curve shape, partial and 305-d lactation performance in holstein dairy cows in iran. data from february 2000 to december 2012 comprising 217345 lactations on 141364 cows distributed in 324 herds collected by the animal breeding center of iran were used. the mean milk...

2004
Samy Bengio Johnny Mariéthoz Mikaela Keller

In several research domains concerned with classification tasks, curves like ROC are often used to assess the quality of a particular model or to compare two or more models with respect to various operating points. Researchers also often publish some statistics coming from the ROC, such as the socalled break-even point or equal error rate. The purpose of this paper is to first argue that these ...

Journal: :Journal of Physics: Conference Series 2017

Aria Sobhani, Hamidreza Pourtaba Tayebeh Amini Nouri

Centrifugal Compressors play an essential role in oil, gas and petrochemical industries. Their extensive usage is due to their smooth operation and high reliability compared to other other compressor types. One of the main characteristics of these turbomachines is their performance curve, which is an important criterion for selecting the appropriate compressor for a desired working condition. I...

Elliptic Curve Cryptosystems (ECC) have recently received significant attention by researchers due to their high performance such as low computational cost and small key size. In this paper a novel untraceable blind signature scheme is presented. Since the security of proposed method is based on difficulty of solving discrete logarithm over an elliptic curve, performance of the proposed scheme ...

2006
Teruo Tanaka Takahiro Katagiri Toshitsugu Yuba

In this paper, we introduce a new d-Spline based Incremental Performance Parameter Estimation method (IPPE ). We first define a fitting function d-Spline, which has high flexibility to adapt given data and can be easily computed. The complexity of d-Spline is O(n). We introduce a procedure for incremental performance parameter estimation and an example of data fitting using d-Spline. We applied...

2016
Zacharias Vamvakousis Rafael Ramirez

We present and evaluate the EyeHarp, a new gaze-controlled Digital Musical Instrument, which aims to enable people with severe motor disabilities to learn, perform, and compose music using only their gaze as control mechanism. It consists of (1) a step-sequencer layer, which serves for constructing chords/arpeggios, and (2) a melody layer, for playing melodies and changing the chords/arpeggios....

2012

The longitudinal progression of athletic records has been described by best fit curves which can be used to extrapolate future athletic performances. Any subsequent significant deviations from these curves would suggest compelling evidence of cataclysmic changes introduced into the sport. We evaluated recent elite swim performances to determine if bias can be identified within competitive swimm...

Abstract: In recent years, due to the limitation of fossil fuels and the environmental Impact of using these fuels, focusing on renewable energy sources has increased significantly. In developed countries, using clean energy such as wind power has been considered as an alternative source. Monitoring the performance of wind turbines and controlling their output power quality is one of the import...

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