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Semiconductor Device Modeling Using Input Pre-Processing and Transformed Targets for Training a Deep Neural Network
Semiconductor Device Modeling Using Input Pre-Processing and Transformed Targets for Training a Deep Neural Network
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机译:使用输入预处理和变换目标训练深层神经网络的半导体器件建模
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摘要
A deep neural network models semiconductor devices. Measurements of test transistors are gathered into training data including gate and drain voltages and transistor width and length, and target data such as the drain current measured under the input conditions. The training data is converted by an input pre-processor that can apply logarithms of the inputs or perform a Principal Component Analysis (PCA). Rather than use measured drain current as the target when training the deep neural network, a target transformer transforms the drain current into a transformed drain current, such as a derivative of the drain current with respect to gate or drain voltages, or a logarithm of the derivative. Weights in the deep neural network are adjusted during training by comparing the deep neural network's output to the transformed drain current and generating a loss function that is minimized over the training data.
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