1) beam swinging error
射束摆动误差
2) swing error
摆动误差
1.
A new compensating method of swing error for land SINS is prposed to realize coarse alignment: by the acceleration information of accelerometer,the angle velocity relative to the earth that is output by gyroscope is mended.
分析了在风吹或地面松软等情况下,车体摆动干扰的特点,提出了一种车载捷联惯导系统补偿摆动误差,实现粗对准的方法:利用加速度计输出信息修正陀螺信号,然后采用修正后的陀螺信息和加速度计的平均信息,实现初始粗对准。
3) field position errors
射野摆位误差
1.
Objective: To investigate the variability of inter-observer and intra-observer when evaluating field position errors in patients with head and neck cancer.
方法:两队研究小组,分别由四名医师和四名技师组成,两组分别对6名头颈部肿瘤的患者,采用电子射野影像仪(electronic portalimaging device,EPID)拍摄验证片(electronic portal images,EPIs),在EPIs上勾画骨性标志,以放疗计划生成的数字重建图像(digitally reconstructed radiographs,DRRs)做为参考图像,定量分析不同观察研究人员之间和研究人员自身采用EPID确定头颈部肿瘤患者的射野摆位误差(field placement errors,FPEs)的差异性。
4) setup error
摆位误差
1.
An analysis of setup error with on board imager for chest tumors treated with intensity modulated radiation therapy
应用OBI系统分析胸部肿瘤调强放疗的摆位误差
2.
Objective: To measure the setup error undergoing the radiation therapy for head-neck neoplasms,and to analyze the effect of the setup error on the physics dose of targets and peripheral organs at risk(OAR)for nasopharyngeal carcinoma(NPC)undergoing the intensity modulated radiation therapy (IMRT).
目的:测量头颈部肿瘤在放射治疗中的摆位误差,分析鼻咽癌(NPC)调强放射治疗(IMRT)中误差对靶区和危及器官物理剂量学的影响。
3.
AIM: To measure the setup error in the intensity modulated radiation therapy (IMRT) for head-neck neoplasms, and to analyze the margin between the clinical target volume (CTV) and planning target volume (PTV).
结果:在左右、头脚、腹背方向的摆位误差分别是(-0。
5) Set-up errors
摆位误差
1.
Objective: To examine and analyze the set-up errors for patients with three dimensional conformal and Intensity Modulated Radiotherapy to calculate CTV referential safety margins of PTV.
目的:测定和分析三维适形及调强放疗的摆位误差,并依此计算CTV外扩PTV边界的大小。
2.
Conclusion:So this registration method can be applied for online estimation for set-up errors in clinical radiation.
目的:及时纠正放射治疗过程中患者的摆位误差,提高放射治疗效果。
6) set-up error
摆位误差
1.
Feasibility study to apply EPID by trained therpistss in evaluation of set-up errors of pelvic irradiation;
技术员独立应用EPID对盆腔摆位误差监测的可行性
2.
Objective: To determine the magnitude of the set-up errors in precise radiotherapy for body tumors.
目的:确定体部肿瘤精确放疗时的摆位误差。
3.
[Purpose] To investigate the set-up error in intensity modulated radiotherapy (IMRT) with electric portal image device (EPID) in nasopharyngeal carcinoma (NPC).
[目的]用电子射野图像器件(EPID)拍摄的射野片研究调强放疗治疗鼻咽癌过程中的摆位误差。
补充资料：摆动
1.移动。 2.摇动;摇摆。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条