Dynamic radiography
阅读：7发布：2023-07-16
专利汇可以提供Dynamic radiography专利检索，专利查询，专利分析的服务。并且A dynamic radiography system for examining an optically opaque object containing radiation scattering centers by irradiating the object with penetrating radiation to cause radiation scattering by these scattering centers, causing periodic vibration of these scattering centers, detecting radiation scattered by the scattering centers in the object along at least two noncongruent detection channels which are at an angle with each other and which intersect at a common volume within the object, and correlating the outputs of the detectors with a frequency parameter of the vibration to derive thereby information of internal physical and mechanical characteristics of the object.，下面是Dynamic radiography专利的具体信息内容。
1. Apparatus for examining an optically opaque object containing penetrating radiation scattering centers, comprising: a. means for irradiating the object with penetrating radiation to cause radiation scattering by scattering centers in the object; b. means for causing periodic vibration of said scattering centers within the object; c. means for detecting radiation scattered by scattering centers in the object along at least two noncongruent detection channels which are at an angle with each other and which intersect at a common volume within the object; and d. means for correlating information generated by said detecting means in response to detected scattered radiation with information representing the periodic vibration of said scattering centers within the object to derive thereby information of internal physical and mechanical characteristics of the object.
2. Apparatus as in claim 1 including means for causing a scan of the object by said common volume.
3. Apparatus as in claim 2 wherein said scan causing means comprise means for causing relative motion between the detection means and the object.
4. Apparatus as in claim 3 wherein said relative motion between the detecting means and the object is along a defined scanning pattern.
5. Apparatus as in claim 1 wherein the detecting means comprise two detection systems each providing an image of the radiation scatteed from at least a portion of the object along one of the two directions defined by said detection channels, with selected pairs of points, one on each detection system image, defining radiation scattered from a common volume of the object.
6. Apparatus as in claim 5 including means for scanning the object comprising means for successively examining different selected pairs of points on the detection system images to simulate a scan of the object.
7. Apparatus as in claim 6 wherein the correlating means include means for correlating parameters of the selected pairs of points with the vibrating means to enhance differences between different pairs of points.
8. Apparatus as in claim 7 wherein the scanning means include video camera means for electronically scanning the detection system images in a synchronism simulating a scan of the object.
9. Apparatus as in claim 1 wherein the irradiating means comprise a radiation source located outside the object and generating a radiation beam impinging on, and at least partly penetrating the object.
10. Apparatus as in claim 1 wherein the irradiating means comprise a radiation source located within the object and generating a radiation beam.
11. Apparatus as in claim 1 wherein the irradiating means comprise radioactive material interspersed with said scattering centers in the object.
12. Apparatus as in claim 1 wherein the detection means comprise two detectors each responsive to scattered radiation along a different one of said detection channels and generating an output signal representative of detected scattered radiation, and wherein the correlating means comprise means for receiving as input signals the outputs of the two detectors and a signal representative of a frequency parameter of the vibrating means and for generating a correlated output signal enhancing the similarities between the three input signals.
13. Apparatus as in claim 12 wherein the correlating means is a cross-correlator.
14. Apparatus as in claim 1 wherein the detecting means comprise two detection systems each having a screen imaging scattered radiation along a different one of said two detection channels and each comprising a dynamic collimator having a grid of openings each passing a scattered radiation beam along a portion of the associated detection channel, with pairs of selected openings, one from each detection system, defining a common volume within the object, and with each opening defining an image point on the detection system screen.
15. Apparatus as in claIm 14 including means for scanning the detection system image screens to simulate a scan of the object.
16. Apparatus as in claim 15 wherein the scanning means include means for simulating a three-dimensional scan of the object.
17. Apparatus as in claim 15 wherein each of the detection systems includes an image intensifier forming said image screen and wherein each detection system includes a video camera for electronically scanning said image screens to simulate a scan of the object.
18. Apparatus as in claim 17 wherein said scanning means include means for simulating a three-dimensional scan of the object.
19. Method of examining an optically opaque object containing penetrating radiation scattering centers, comprising the steps of: a. irradiating the object with penetrating radiation to cause radiation scattering by scattering centers in the object; b. causing periodic vibration of said scattering centers within the object; c. detecting radiation scattered by scattering centers in the object along at least two noncongruent detection channels which are at an angle with each other and which intersect at a common volume within the object; and d. correlating information generated by said detecting means in response to detected scattered radiation with information representing the periodic vibration of the scattering centers within the object to derive thereby information of internal physical and mechanical characteristics of the object.
20. Method as in claim 19 including the step of scanning the object by the common volume at which the two detection channels intersect.
21. Method as in claim 20 wherein said scanning is carried out by causing relative motion between the detection means and the object.
22. Method as in claim 19 wherein the detecting step includes imaging radiation along each of said detection channels to provide thereby a pair of screen images, each screen image representing radiation scattered along one of said detection channels and each having a plurality of points representing radiation scattered along portions of the detection channel, with selected pairs of points, one on each screen, defining radiation scattered from a common volume of the object.
23. Method as in claim 22 including the step of successively examining different selected pairs of points of the screens to simulate a scan of the object.
24. Method as in claim 23 wherein the correlating step includes correlating parameters of the selected pairs of points with the vibrating to enhance differences between different pairs of points.
25. Method of examining an optically opaque object which contains penetrating radiation scattering centers undergoing periodic vibrational motion, comprising the steps of: a. irradiating the object with penetrating radiation to cause radiation scattering by said periodically vibrating scattering centers in the object; b. detecting radiation scattered by scattering centers in the object along at least two noncongruent detection channels which are at an angle with each other and which intersect at a common volume within the object; and c. correlating information generated by said detecting means in response to detected scattered radiation with information representing the periodic vibration of the scattering centers within the object to derive thereby information of internal physical and mechanical characteristics of the object.
26. Method as in claim 25, including the step of causing a scan of the object by said common volume.
27. Method as in claim 25 wherein the detecting step includes imaging on image screens radiation scattered along each of said detection channels, with selected pairs of points, one on each detection image screen defining radiation scattered from a common volume of the object.
28. Method as in claim 21 including the step of scanning the object by successively examining different selected pairs of points on the image screen to simulate a scan of the object.
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 新型光电式感烟火灾探测报警方法、装置及系统 | 2020-05-11 | 152 |
| 一种用于互质采样星载SAR的成像处理方法 | 2020-05-11 | 9 |
| 一种高超声速平台复杂运动状态下杂波回波建模方法 | 2020-05-11 | 189 |
| 一种基于混合高斯模型的多目标ISAR关键点提取方法 | 2020-05-08 | 494 |
| 一种可调谐激光器波长扫描工作曲线的动态标定装置和方法 | 2020-05-11 | 250 |
| 一种多共振纳米米形表面增强超拉曼散射衬底 | 2020-05-11 | 307 |
| 多孔膜的测量 | 2020-05-11 | 186 |
| 一种建筑物三维太阳能潜力计算方法 | 2020-05-08 | 996 |
| 游戏画面渲染的方法与装置、存储介质、电子设备 | 2020-05-08 | 600 |
| 一种浮空器结冰特性计算方法和计算模型 | 2020-05-08 | 641 |
高效检索全球专利专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台，是提供专利分析，专利查询，专利检索等数据服务功能的知识产权数据服务商。
我们的产品包含105个国家的1.26亿组数据，免费查、免费专利分析。
分析报告
专利汇分析报告产品可以对行业情报数据进行梳理分析，涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度，系统通过AI智能系统对图表进行解读，只需1分钟，一键生成行业专利分析报告。
QQ群二维码
意见反馈
意见反馈