random walk

基本解釋

Based on the numerical weather prediction model and automatic weather station data, random-walk particle-puff model was used to simulate the emergency response to atmospheric accident.
基于數值天氣預報模式和自動氣象站觀測資料，采用隨機游走粒子-煙團模式對天津市突發(fā)事故條件進行應急示蹤模擬試驗。
Random-walk filter is widely used in Bit Synchronizer of modern telemetry system and other digital communication systems in order to enhance anti-jamming ability and reliability of a system.
在現(xiàn)代遙測系統(tǒng)和其它相關的數字通信系統(tǒng)的碼同步器中廣泛采用了隨機徘徊濾波器技術以提高電路的抗干擾能力和系統(tǒng)工作的可靠性。
Fourth, some of the five-effective use of market theory and its testing method random-walk test to verify the effectiveness of China's foreign exchange market, and then analyze the test results.
第四、五部分運用有效市場理論及其檢驗方法—隨機游走檢驗法，以人民幣對美元、日元和港幣的匯率進行檢驗，以驗證中國外匯市場的有效性，并對檢驗結果進行分析隨后。

When you look at a random walk you have the intuitive impression that you can extrapolate it -that it doesn't look like -you can't believe it's really random, but the reason you can't is because you overweigh the probability of certain things that caught your attention.
當人們觀察隨機漫步序列時會有直觀印象,并可以以此類推,雖然這看起來并不像...,人們不會覺得這是完全隨機的,之所以如此,是因為,人們過分高估了特定事物發(fā)生的可能性,這吸引了人們的注意
耶魯公開課 - 金融市場課程節(jié)選

To the dismay of active equity managers, the ranks of the random-walk converts are swelling all the time, especially in the United States where passive managers now handle most of the shares in public-sector pension funds.
ECONOMIST: Can you beat the blindfolded monkey?
Authors Guofo Zhou and Yingzi Zu use some complex math based on the random-walk theory to show that the odds of watching half your liquid net worth evaporate are roughly similar to those of another major life event: death.
FORBES: We Can't Avoid Another Market Crash
He made his big splash in 1973 with his best-selling takedown of stock-picking, A Random Walk Down Wall Street, in which he illustrated the futility of accurately predicting future stock prices, noting how a blindfolded chimpanzee throwing darts at the stock page of a newspaper could pick winners as well as a Wall Street professional.
FORBES: Burton Malkiel Advises Running From Bonds Into Dividends, Emerging Markets

a mathematical model used to describe physical processes, such as diffusion, in which a particle moves in straight-line steps of constant length but random direction