wave system中文什么意思

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The positive wall ' s waves system can be viewed as a combination of the effect of forward - step forcing and backward - step forcing , and these two waves systems respectively radiate upstream and downstream without mutual interaction . for a negative wall , however , the result is opposite to the positive wall , and for a combined wall , it can be considered as the combination of a positive forcing and a negative one
我们得出结论：上凸壁面上的波形可以看成是向前凸台阶和向后凸台阶分别向前后散射发展的结果，二者不相互作用；下凹壁面的波形却是向前凹台阶和向后凹台阶相互作用的结果；组合式壁面的波形是上凸和下凹相互作用的结果。
The apparent advantages of it is the efficient using of spectrum and it can get over the inter - symbol interference ( isi ) caused by multi - channel transmitting in wideband wireless communication . this technique has stronger ability of getting over interfere than single carrier wave system and has been used in several wideband wireless applications . it becomes one of the most important techniques in the fourth mobil communication
该技术的突出优点是频谱利用率高,且在高速无线通信中能有效克服多径传播引起的码间干扰( isi ) ,相对于单载波系统,其抗干扰能力强,已广泛用于多种宽带无线业务中,并已成为第四代移动通信的核心技术之一。

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