back propagation

基本解釋

In this model, back propagation algorithm based on forward networks was conducted to learn information of historical data and to train the network weights.
以人工神經(jīng)網(wǎng)絡(luò)的前饋型網(wǎng)絡(luò)為基礎(chǔ)結(jié)構(gòu)，基于反向傳播算法進(jìn)行學(xué)習(xí)和訓(xùn)練來(lái)擬和證券價(jià)格指數(shù)的運(yùn)動(dòng)趨勢(shì)。
Feedforward networks use back propagation algorithm to train a multi-layer network. After training, the multi-layer network can fit the function in the data space very well.
前向網(wǎng)絡(luò)利用反向傳播算法訓(xùn)練多層網(wǎng)絡(luò)，使訓(xùn)練后的網(wǎng)絡(luò)較好地?cái)M合樣本空間中各點(diǎn)的函數(shù)值。
On the base of compare of the traditional statistics pattern recognition and ANN, this paper constructs feedforward network with back propagation to auto-recognize and train the body-fluid cells.
課題在分析比較傳統(tǒng)統(tǒng)計(jì)模式識(shí)別和人工神經(jīng)網(wǎng)絡(luò)模式識(shí)別的優(yōu)劣基礎(chǔ)上，構(gòu)造了使用帶反向傳播算法的前饋神經(jīng)網(wǎng)絡(luò)對(duì)體液細(xì)胞進(jìn)行自動(dòng)識(shí)別和訓(xùn)練的方法。

反向傳播
An adaptive proportion control strategy which utilizes error back propagation algorithm to on-line adaptively regulate the proportion parameter is proposed.
提出了一種自適應(yīng)比例控制,該控制策略采用誤差反向傳播算法在線自適應(yīng)調(diào)節(jié)參數(shù)。
反傳

反向傳播
In the process of back propagation, the algorithm of gradient descent is used to adjust the weights of each level step-by-step. Eventually the corresponding relation between energy eigenvectors and the states of wheel/rail fault is achieved.
在BP網(wǎng)絡(luò)的反向傳播過(guò)程中采用最優(yōu)梯度下降法逐步調(diào)節(jié)各層的權(quán)值,最終實(shí)現(xiàn)故障特征向量和高速列車(chē)輪軌故障間的一一對(duì)應(yīng)。
計(jì)算機(jī)科學(xué)技術(shù)
反向傳播