file-type

MOID.jl:精确计算椭圆轨道最小轨道相交距离的方法与工具

下载需积分: 9 | 403KB | 更新于2025-09-02 | 182 浏览量 | 1 下载量 举报 收藏
download 立即下载
从给定文件中可以提取以下相关知识点: ### 标题知识点: 1. **MOID.jl 程序包**:这是指一个用Julia编程语言开发的程序包,名为MOID.jl,其主要功能是计算两个给定椭圆轨道之间的最小轨道相交距离(MOID)。 2. **MOID(Minimum Orbit Intersection Distance)**:在天文学中,MOID是指两个天体轨道之间的最小距离。了解两个轨道之间的MOID对于评估小行星和行星之间潜在的碰撞风险至关重要。 3. **开普勒元素**:在天体物理学中,开普勒元素是描述椭圆轨道形状和方向的一组六个参数。这些参数包括半长轴、偏心率、轨道倾角、升交点经度、近地点幅角和真近点角。 ### 描述知识点: 1. **数值计算MOID**:描述中提到的程序使用数值计算方法来确定MOID值,而不是解析方法。数值方法通过迭代计算能够提供精确的近似值,但可能需要更多的计算资源。 2. **旋转子午面**:这是计算中使用的一个几何概念,涉及到轨道平面相对于某个固定参考面(如天球)的位置和方向。通过研究轨道的旋转子午面,可以得到轨道间的MOID信息。 3. **Julia模块**:MOID.jl是一个基于Julia编程语言的模块,该语言特别适合进行科学计算。Julia语言速度快,语法简单,特别设计用来解决数学、统计和科学计算问题。 4. **Fortran程序包装**:MOID.jl是基于原有Fortran程序的包装。Fortran语言是早期用于科学计算的编程语言之一,因其高效的数值计算能力被广泛用于天文学和物理学领域。 5. **参考文献**:文档提到了一篇关于该计算方法的论文,发表在2013年的《天文学报》上,这可以作为深入了解计算MOID算法的重要参考资料。 ### 标签知识点: 1. **astrodynamics(天体动力学)**:这是研究天体运动和相互作用的学科,MOID的概念和计算是天体动力学中的一个重要部分。 2. **orbital-mechanics(轨道力学)**:这涉及到航天器和自然天体的运动规律以及如何利用这些规律进行空间探索,例如计算轨道间的MOID值。 3. **Julia**:作为一种现代高级编程语言,Julia特别适合进行科学计算和数据处理,它在数值分析、数据科学和机器学习等领域具有广泛应用。 ### 压缩包子文件知识点: 1. **文件名称列表**:文件名“MOID.jl-master”表示这是一个源代码包,其中包含了MOID计算程序的主版本(master)源代码。 2. **Git仓库**:名称中包含的“https://github.com/mkretlow/MOID.jl.git”表明该源代码托管在GitHub上,这是一个流行的代码托管和协作平台,常用于开源项目。 3. **版本控制**:使用“master”这个术语可能表明这是一个主分支,通常主分支包含了最新的稳定代码,开发者和其他用户会从这里获取最新的功能和修复。 综上所述,该文件涉及到的核心知识点集中在天文学和轨道力学中的MOID计算,以及Julia编程语言在科学计算领域的应用。文件中还提到了源代码的安装和获取方式,对从事相关领域研究的人员具有较高的参考价值。

相关推荐

filetype

public bool isconnect = true; public string? resultCode1 = ""; public string? datas1 = ""; public string? msgCode1 = ""; /// /// GET_PROCESS_STATUS /// /// <param name="moid"></param> /// <param name="partID"></param> /// <param name="ppid"></param> /// <param name="testStation"></param> /// <param name="URL"></param> public void UpSFCS1(string moid, string partID, string ppid, string testStation, string URL) { try { string param = "{" + $"\"moid\":\"{moid}\",\"partID\":\"{partID}\",\"ppid\":\"{ppid}\",\"testStation\":\"{testStation}\"" + "}"; WriteLog("尝试调用GET_PROCESS_STATUS发送" + $"{param}"); string soapRequest = $@" <?xml version=""1.0"" encoding=""utf-8""?> <soap:Envelope xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:soap=""http://schemas.xmlsoap.org/soap/envelope/""> <soap:Body> <UniRequest xmlns=""http://tempuri.org/""> <rb> <account>user</account> <optype>0</optype> <param>{param}</param> <password>123456</password> <sericeName>GET_PROCESS_STATUS</sericeName> </rb> </UniRequest> </soap:Body> </soap:Envelope>"; HttpClient client = new HttpClient(); client.Timeout = TimeSpan.FromSeconds(10); HttpContent content = new StringContent(soapRequest, Encoding.UTF8, "text/xml"); // 发送同步的 POST 请求并等待响应 HttpResponseMessage response = client.PostAsync(URL, content).Result; response.EnsureSuccessStatusCode(); string result = response.Content.ReadAsStringAsync().Result; // 解析响应 XDocument doc = XDocument.Parse(result); XNamespace soap = "http://schemas.xmlsoap.org/soap/envelope/"; XNamespace tempuri = "http://tempuri.org/"; string? resultCode = doc.Descendants(tempuri + "result").FirstOrDefault()?.Value; string? datas = doc.Descendants(tempuri + "datas").FirstOrDefault()?.Value; string? msgCode = doc.Descendants(tempuri + "msgCode").FirstOrDefault()?.Value; resultCode1 = resultCode; datas1 = datas; msgCode1 = msgCode; WriteLog("resultCode:" + resultCode + ", datas:" + datas + ", msgCode:" + msgCode); } catch (Exception ex) { isconnect = false; WriteLog("发生异常:" + ex.Message + ",数据上传失败"); } }这是另一个接口的方法,我可以正常使用它,URL一致的。请问这两个有什么不同?导致这个可以使用而另一个不能使用

filetype

根据代码,修改TableWidget 设置拖拽功能// WARNING! All changes made in this file will be lost! package uigen import ( "github.com/therecipe/qt/core" "github.com/therecipe/qt/widgets" ) type UIMomoMainWindow struct { Centralwidget *widgets.QWidget TableWidget *widgets.QTableWidget CheckBox *widgets.QCheckBox CheckBox2 *widgets.QCheckBox CheckBox3 *widgets.QCheckBox ColumnView *widgets.QColumnView PushButton *widgets.QPushButton PushButton2 *widgets.QPushButton PlainTextEdit *widgets.QPlainTextEdit Menubar *widgets.QMenuBar Statusbar *widgets.QStatusBar } func (this *UIMomoMainWindow) SetupUI(MainWindow *widgets.QMainWindow) { MainWindow.SetObjectName("MainWindow") MainWindow.SetGeometry(core.NewQRect4(0, 0, 1087, 732)) this.Centralwidget = widgets.NewQWidget(MainWindow, core.Qt__Widget) this.Centralwidget.SetObjectName("Centralwidget") this.TableWidget = widgets.NewQTableWidget(this.Centralwidget) this.TableWidget.SetObjectName("TableWidget") this.TableWidget.SetGeometry(core.NewQRect4(0, 0, 1091, 511)) this.TableWidget.SetColumnCount(9) this.TableWidget.SetRowCount(0) // 预创建所有表头项,确保它们存在 for i := 0; i < 9; i++ { tableItem := widgets.NewQTableWidgetItem(0) this.TableWidget.SetHorizontalHeaderItem(i, tableItem) } this.CheckBox = widgets.NewQCheckBox(this.Centralwidget) this.CheckBox.SetObjectName("CheckBox") this.CheckBox.SetGeometry(core.NewQRect4(20, 540, 61, 19)) this.CheckBox2 = widgets.NewQCheckBox(this.Centralwidget) this.CheckBox2.SetObjectName("CheckBox2") this.CheckBox2.SetGeometry(core.NewQRect4(110, 540, 61, 19)) this.CheckBox3 = widgets.NewQCheckBox(this.Centralwidget) this.CheckBox3.SetObjectName("CheckBox3") this.CheckBox3.SetGeometry(core.NewQRect4(190, 540, 91, 21)) this.ColumnView = widgets.NewQColumnView(this.Centralwidget) this.ColumnView.SetObjectName("ColumnView") this.ColumnView.SetGeometry(core.NewQRect4(270, 520, 811, 161)) this.PushButton = widgets.NewQPushButton(this.Centralwidget) this.PushButton.SetObjectName("PushButton") this.PushButton.SetGeometry(core.NewQRect4(20, 580, 231, 28)) this.PushButton2 = widgets.NewQPushButton(this.Centralwidget) this.PushButton2.SetObjectName("PushButton2") this.PushButton2.SetGeometry(core.NewQRect4(20, 630, 231, 28)) this.PlainTextEdit = widgets.NewQPlainTextEdit(this.Centralwidget) this.PlainTextEdit.SetObjectName("PlainTextEdit") this.PlainTextEdit.SetGeometry(core.NewQRect4(270, 520, 811, 161)) this.PlainTextEdit.SetStyleSheet("background-color: rgb(0, 0, 0);\ncolor: rgb(45, 111, 26);") MainWindow.SetCentralWidget(this.Centralwidget) this.Menubar = widgets.NewQMenuBar(MainWindow) this.Menubar.SetObjectName("Menubar") this.Menubar.SetGeometry(core.NewQRect4(0, 0, 1087, 26)) MainWindow.SetMenuBar(this.Menubar) this.Statusbar = widgets.NewQStatusBar(MainWindow) this.Statusbar.SetObjectName("Statusbar") MainWindow.SetStatusBar(this.Statusbar) this.RetranslateUi(MainWindow) } func (this *UIMomoMainWindow) RetranslateUi(MainWindow *widgets.QMainWindow) { _translate := core.QCoreApplication_Translate MainWindow.SetWindowTitle(_translate("MainWindow", "MainWindow", "", -1)) this.TableWidget.SetColumnCount(9) this.TableWidget.SetRowCount(0) this.TableWidget.HorizontalHeaderItem(0).SetText(_translate("MainWindow", "id", "", -1)) this.TableWidget.HorizontalHeaderItem(1).SetText(_translate("MainWindow", "moid", "", -1)) this.TableWidget.HorizontalHeaderItem(2).SetText(_translate("MainWindow", "用户名", "", -1)) this.TableWidget.HorizontalHeaderItem(3).SetText(_translate("MainWindow", "死活", "", -1)) this.TableWidget.HorizontalHeaderItem(4).SetText(_translate("MainWindow", "环境", "", -1)) this.TableWidget.HorizontalHeaderItem(5).SetText(_translate("MainWindow", "男女", "", -1)) this.TableWidget.HorizontalHeaderItem(6).SetText(_translate("MainWindow", "名字", "", -1)) this.TableWidget.HorizontalHeaderItem(7).SetText(_translate("MainWindow", "是否实名", "", -1)) this.TableWidget.HorizontalHeaderItem(8).SetText(_translate("MainWindow", "账号等级", "", -1)) this.CheckBox.SetText(_translate("MainWindow", "死号", "", -1)) this.CheckBox2.SetText(_translate("MainWindow", "实名", "", -1)) this.CheckBox3.SetText(_translate("MainWindow", "掉实名", "", -1)) this.PushButton.SetText(_translate("MainWindow", "开始任务", "", -1)) this.PushButton2.SetText(_translate("MainWindow", "导出结果", "", -1)) }

filetype

SELECT * FROM ( WITH subquery_results AS ( SELECT (SELECT MIN(gbl_buy_dt) FROM planning_order_plan WHERE apo_prod_cd = #{modelNo} AND gbl_buy_dt IS NOT NULL AND gbl_buy_dt <> '' AND VERSION = (SELECT MAX(VERSION) FROM planning_order_plan WHERE apo_prod_cd = #{modelNo})) AS min_gbl_buy_dt, (SELECT STRING_AGG(reg_lnch_dt, ' ') FROM ( SELECT DISTINCT reg_lnch_dt FROM planning_order_plan WHERE apo_prod_cd = #{modelNo} AND VERSION = (SELECT MAX(VERSION) FROM planning_order_plan WHERE apo_prod_cd = #{modelNo}) AND reg_lnch_dt IS NOT NULL )) AS aggregated_reg_lnch_dt ) SELECT NULL AS "MOID", NULL AS "TDCODE", NULL AS AIRBAG, s.min_gbl_buy_dt as BUY_DATE, s.aggregated_reg_lnch_dt as REGLNCHDT FROM subquery_results s UNION ALL SELECT d."MOID", d."TDCODE", (SELECT TRIM(CONCAT_WS(' ',NULLIF(arbg_cd1, ''),NULLIF(arbg_cd2, ''),NULLIF(arbg_cd3, ''),NULLIF(arbg_cd4, ''),NULLIF(arbg_cd5, '')) ) FROM planning_order_plan WHERE apo_prod_cd = d."PROD_CD" AND VERSION = (SELECT MAX(VERSION) FROM planning_order_plan WHERE apo_prod_cd = d."PROD_CD") LIMIT 1) AS AIRBAG, (SELECT MIN(gbl_buy_dt) FROM planning_order_plan WHERE apo_prod_cd = d."PROD_CD" AND gbl_buy_dt IS NOT NULL AND gbl_buy_dt <> '' AND VERSION = (SELECT MAX(VERSION) FROM planning_order_plan WHERE apo_prod_cd = d."PROD_CD") ) AS BUY_DATE, (SELECT STRING_AGG(reg_lnch_dt, ' ') FROM ( SELECT DISTINCT reg_lnch_dt FROM planning_order_plan WHERE apo_prod_cd = d."PROD_CD" AND VERSION = (SELECT MAX(VERSION) FROM planning_order_plan WHERE apo_prod_cd = d."PROD_CD") AND reg_lnch_dt IS NOT NULL )) AS REGLNCHDT FROM erp_dmodellt d WHERE d."PROD_CD" = #{modelNo} ) ORDER BY CASE WHEN "MOID" IS NOT NULL THEN 0 ELSE 1 END LIMIT 1 我想知道shoepic从哪个表中通过什么条件查询得来的

黄文池
  • 粉丝: 42
上传资源 快速赚钱