λ = 1 e 4

λ = 1 e 6

λ = 1 e 8

σ 2

aNCG-MC

NCG-MC

节省

aNCG-MC

NCG-MC

节省

aNCG-MC

NCG-MC

节省

0.01

522

1202

56.57%

435

2666

83.68%

441

7321

93.98%

0.1

596

1211

50.78%

777

2913

73.33%

4247

11378

62.67%

0.5

646

1138

43.23%

1232

2949

58.22%

2900

8546

66.07%