in advance of a signal

基本解釋

A sort of bus priority measure applied in signal intersections is set out, where bus advance area and pre signals are installed.
提出了在信號交叉口入口處設(shè)置一段特殊的公交專用車道——公交專用候駛區(qū)，并設(shè)車道信號燈的方法。
When a vehicle needs to change to the left lane, the driver should turn on the left-turn signal in advance and enter the left lane provided he does not obstruct the normal running of other vehicles.
駕駛車輛向左變更車道時，應(yīng)提前開啟左轉(zhuǎn)向燈，在不影響其他車輛正常行駛的前提下，駛?cè)胱髠?cè)車道。
At first the filter based on mathematical morphology is applied to dispose the disturbance signal in advance. A multiple structuring element complex filter is created to restrain many kinds of noise.
首先利用數(shù)學(xué)形態(tài)學(xué)對擾動波形進行預(yù)處理，再使用分形技術(shù)檢測電能質(zhì)量擾動，最后用模式識別確定擾動類型。