matlab - 在 Matlab 中将结构属性的字段作为类的属性

Question

我需要定义一个名为 MobileBaseStation 的类和一个名为 DataChannel 的属性，它是一个如下所示的结构，

classdef MobileBaseStation
properties
    DataChannel = struct('TxScheme','SpatialMux','NLayers',4);
end
properties (Constant = true)
    supportedTxSchemes = {'Port0','TxDiversity','CDD','SpatialMux','MultiUser','Port5','Port7-8','Port8','Port7-14'};
end
methods
    function this = MobileBaseStation(this,TxSchemeChoice,NLayers)
        this.DataChannel.TxScheme = TxSchemeChoice;
        this.DataChannel.NLayers = NLayers;
    end
    function this = set.DataChannel.TxScheme(this,value)
        if ismember(value,this.supportedTxSchemes)
            this.DataChannel.TxScheme = value;
        end
    end
    function this = set.DataChannel.NLayers(this,value)
        if strcmpi(this.TxScheme,'Port8') && value==1
            set.DataChannel.NLayers = value;
        end
    end
end
end

设置器需要对 DataChannel 结构的字段强制执行边界/限制。我希望结构的字段成为 MobileBaseStation 类的属性，以便我可以使用设置器。如何在 Matlab 中实现这一点？

Answer 1

我认为您希望将其设为DataChannel私有，以便您可以通过依赖属性获取器和设置器控制访问，例如：

classdef MobileBaseStation
    properties(GetAccess=private, SetAccess=private)
        DataChannel = struct('TxScheme','SpatialMux','NLayers',4);
    end

    ...

    properties(Dependent=true)
        TxScheme;
        NLayers;
    end

    methods
        function v = get.TxScheme(this), v = this.DataChannel.TxScheme; end
        function v = get.NLayers(this), v = this.DataChannel.NLayers; end

        function this = set.TxScheme(this,v)
            assert(ismember(v,this.supportedTxSchemes),'Invalid TxScheme - %s.',v);
            this.DataChannel.TxScheme = v;
        end

        ...
    end
end