- 
				           		
目前的路径延迟模型是参数估计及外部修正法。
						        					            	
				            	Currently the path delay model consists in parameter estimation.
								    										 
								    				            	
				 	    						                 	youdao
				            					            						        	 
		         		 		        			         		
		          					          
		          			                            				          						          				          							        	- 
				           		
时序模型的参数估计是时序模型建模的核心。
						        					            	
				            	Parameter estimation is the key in building up a model in time series analysis.
								    										 
								    				            	
				 	    						                 	youdao
				            					            						        	 
		         		 		        			         		
		          					          
		          			                            				          						          				          							        	- 
				           		
时序模型的参数估计是时序模型建模的核心。
						        					            	
				            	Parameter estimation is the key in building up a model in time series analysis.
								    										 
								    				            	
				 	    						                 	youdao