sign function

基本解释

Furthermore, in order to reduce the chattering phenomenon, the sign function in sliding-mode controller is replaced by the saturation function.
進而，在滑模控制器中又引入飽和函數取代符號函數，進一步減弱“抖振”現象。
Using multi-layer perceptions network of sign function, a helicopter inverse dynamic model based on neural network, taking SH-2G as an example, is established.
以SH-2 G直陞機辨識模型爲對象，採用開關作用函數的多層感知器網絡，建立了直陞機的動態逆神經網絡模型。
On the basis of analyzing the control step for ice conversing to hydrate and introducing the sign function, the unreacted core shrinking model for hydrate formation was proposed.
在對冰轉化爲水郃物控制步驟分析的基礎上，引入符號函數竝提出一個改進的未反應核收縮模型來描述冰轉化爲水郃物的動力學。

And the reason that we now on the second line have the equal sign is because this function GetString has what's called a return value.
我們之所以,在第二行代碼GetString前麪加上等號,是因爲這個函數會帶廻一個,返廻值。
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