Key products include: YD series of ultra-light pilot transformer, FGYD building blocks of dry test transformer, FZGF series of high-voltage direct current generator, FSBF series of three frequency generator, FDDG series of high-current generator, FCT series of operations me, FJZL series vacuum Lvyou Ji, DMH series of high-voltage insulated pointer table, DER-2571-in resistance, FBZ-1-type transformers comprehensive test-bed, FBZ-Ⅱ transformer comprehensive test-bed, GR-1 contact resistance tester, FBRT-Ⅲ DC Resistance speed measurement instrument, FDM-5-type insulation resistance tester, FJJK-Ⅱ-type insulating oil pressure, FJJY-Ⅲ strength of insulating oil, automatic test instrument, FJBC-Ⅱ relay calibrator, Computer relay test device, FBLQ-Ⅱ MOA Tester, FGWC-V-interference-loss automatic measuring instrument, DMG2671 figures Zhaoou table, FXQ-based distribution network for PT Elimination, FDK-Ⅰ-type electrical compensation, FZS-Ⅰ automatic protection DC microamps table, FRC series of AC-DC divider, the discharge pressure for Gap, 35 KV, 110KV, 220KV substation equipment running exchange pressure test equipment.
主要产品包括：YD系列超轻型试验变压器、FGYD积木干式试验变压器、FZGF系列直流高压发生器、FSBF系列三倍频发生器、FDDG系列大电流发生器、FCT系列操作箱、FJZL系列真空滤油机、DMH系列指针式高压绝缘表、DER-2571地阻仪、FBZ－1型变压器综合试验台、FBZ－Ⅱ型变压器综合试验台、GR－1接触电阻测试仪、FBRT－Ⅲ型直流电阻速测仪、FDM－5型绝缘电阻测试仪、FJJK－Ⅱ型绝缘油耐压仪、FJJY－Ⅲ绝缘油电强度全自动测试仪、FJBC－Ⅱ继电保护校验仪、微机继电保护测试装置、FBLQ－Ⅱ氧化锌避雷器测试仪、FGWC－V型抗干扰介损自动测量仪、DMG2671数字兆欧表、FXQ型配网PT消谐器、FDK－Ⅰ型补偿电器、FZS－Ⅰ型自动保护直流微安表、FRC系列交直流分压器、放电隙测压器、35KV、110KV、220KV变电站运行设备交流耐压试验装置。
And many world-class enterprises in domestic subsidiary company like Fuji Shilegongsi the company, the Mitsubishi heavy industry the company, Nokia the telecommunication company, Xiamen FDK, ALPS the company and so on, also have the home well-known enterprise, like US's company, Kang Jia, the Guangdong Daya Bay nuclear power station, the Great Wall computer the company, 31 heavy industry, the Great Wall automobile group, south the collection container company, the auspicious automobile manufacture company, the supersonic electron, the good faith glass, the river drill the stock, Hengan international, the Beijing three Yuan, the advantage abundant elegant high printing company and so on; As well as the China Academy of Space Technology, the Capital Aerospace Machinery Corporation, the Xi'an astronautics engine, Hefei 38, Tianjin corresponds the broadcast group, the East Is Red satellite company and so on one batch of state-owned big enterprises.
其中不乏世界级企业在国内的分公司如富士施乐公司、三菱重工公司、诺基亚电信公司、厦门FDK、ALPS公司等、还有国内知名企业，如美的公司、康佳、广东大亚湾核电站、长城计算机公司、三一重工、长城汽车集团、南方中集集装箱公司、吉利汽车制造公司、超声电子、信义玻璃、江钻股份、恒安国际、北京三元等；以及中国空间技术研究院、首都航天机械公司、西安航天发动机、合肥38所、天津通信广播集团、东方红卫星公司等一批国有大企业。
And many world-class enterprises in domestic subsidiary company like Fuji Shilegongsi the company, the Mitsubishi heavy industry the company, Nokia the telecommunication company, Xiamen FDK, ALPS the company and so on, also have the home well-known enterprise, like US's company, Kang Jia, the Guangdong Daya Bay nuclear power station, the Great Wall computer the company, 31 heavy industry, the Great Wall automobile group, south the collection container company, the auspicious automobile manufacture company, the supersonic electron, the faith glass, the river drill the stock, Hengan international, the Beijing three Yuan, the advantage abundant elegant high printing company and so on; As well as the China Academy of Space Technology, the Capital Aerospace Machinery Corporation, the Xi'an astronautics engine, Hefei 38, Tianjin corresponds the broadcast group, the East Is Red satellite company and so on one batch of state-owned big enterprises.
其中不乏世界级企业在国内的分公司如富士施乐公司、三菱重工公司、诺基亚电信公司、厦门FDK、ALPS公司等、还有国内知名企业，如美的公司、康佳、广东大亚湾核电站、长城计算机公司、三一重工、长城汽车集团、南方中集集装箱公司、吉利汽车制造公司、超声电子、信义玻璃、江钻股份、恒安国际、北京三元等；以及中国空间技术研究院、首都航天机械公司、航天发动机、合肥38所、天津通信广播集团、东方红卫星公司等一批国有大企业。
The Design of FDK - 1 Controller for Automatic Breaker
FDK&1型自动分段器控制器的设计
An Improved Technique for P-FDK Algorithm in 3D Image Reconstruction
三维图像重建P-FDK算法的一种改进方法
Anlysis shows that the scan field of view along the horizon can be improved no less than 80% compared with cone-beam 3D-CT based on FDK and circular orbit scan mode.
分析表明，其水平方向的有效扫描视野比基于FDK的圆轨道锥束扫描三维CT提高了80%以上。
FDK three-dimensional computed tomography (3D-CT) reconstruction algorithm for the circular orbit cone-beam scan with the point-shaped X-ray source is more widely accepted when compared with other types. It has high reconstruction speed and accuracy within cone-beam angle of 10 °.
基于点X射线源圆轨道锥束扫描的FDK近似3D-CT重建算法重建速度快，在10°锥角内重建精度高，因此在工程上得到广泛应用。
So the FDK approximation principle of the point-focus X-ray source is extended to line-focus X-ray sources. An algorithm for the reconstruction of circular orbit cone-beam scan to the line-focus X-ray source was deduced.
为此，将上述点源FDK近似原理拓展到线源情况，推导了线源圆轨道锥束扫描3D-CT重建算法。
On the analyzing of the traditional three-dimensional CT reconstruction, based on the circular scanning, combined with FDK algorithm, a new 3D industrial CT reconstruction algorithm to directly reconstruct the characteristics was brought forward, and the feasibility of the new algorithm was theoretically deduced.
在分析研究传统三维CT重建算法的基础上，以圆轨迹扫描方式为背景，结合FDK算法，提出一种三维特征重建算法，并从理论的角度进行了推导。
In order to execute the 3D-ICT inspection of large objects an imaging method called large field of view 3D-ICT shifting the rotation gantry was discussed. Its filter back-projection reconstruction algorithm based on FKD principle was deduced.
为解决较大尺寸构件3D-ICT的检测问题，讨论了一种仅需旋转检台偏置的大视场3D-ICT成像方法，推导了基于FDK原理的滤波反投影（FilterBack-projection，FBP）重建算法。
This paper describes the parallel implementation of 3D-CT reconstruction using MPI (Message Processing Interface) on SMP workstation and clusters, it also analyzes FDK algorithm and parallel implementation. The experiments improve the speed of the 3D-CT reconstruction apparently and get high speed-up and efficiency.
分析了三维CT近似重建FDK快速算法理论基础，采用基于MPI并行环境地并行实现方案实现三维CT的并行重建，得到比较理想的重建时间结果和比较理想的加速比与效率。
In the situation, the exact reconstruction algorithm of three nonplanar orbits is studied, and study the calibration method to eliminate artifacts in reconstructed slices with large cone angle in the paper.
在这种情况下，本文对三种非平面源轨的精确重建方法进行了研究，并对FDK算法在中大锥角重建时产生的伪影进行了校正。
The Charm and the Change of Jingdezhen Fdk Cyanic Art
景德镇民间青花的魅力与变革
FDK-type three dimensional computed tomography (3D-CT) with circular orbit based on FPD can execute inspection rapidly, but its imaging quality can not reach that of 2D-CT.
基于FPD的圆轨道FDK型三维计算机层析成像技术（ComputedTomography，3D-CT）检测速度快，但成像质量不及2D-CT。
This paper presents a geometric parameter lookup table method for fast implementation of the FDK (Feldkamp-Davis-Kress) algorithm using periodic functions, i. e., the backprojection addresses and weights are calculated in advance.
用几何参数表方法替代FDK（Feldkamp-Davis-Kress）算法可以避免由于周期函数的存在而产生的大量重复计算。
In 3D-ICT testing of large component, limited by the length of detector, the component cannot be covered by the cone-beam completely, so conventional FDK algorithm could not execute the three-dimensional reconstruction for the component.
对于较大尺寸构件的锥束射线3D-ICT检测，由于受探测器尺寸的限制，锥束射线无法完全覆盖待检构件，在一次回转扫描的情况下无法利用传统的FDK算法对构件进行三维重楚。
Segmentation short scan FDK reconstruction algorithm for cone-beam CT
锥束CT的分区短扫描FDK重建算法
FDK Reconstruction Algorithm Based on Cluster Parallelization and Instruction Optimization
基于集群并行及指令优化的FDK重建算法
Super-resolution Reconstruction Based on the Harmonic Mapping Constraint Cone-beam pseudo lambda tomography under FDK framework
调和映射约束下的超分辨率图像重建基于FDK框架的锥形束Pseudo-LT优质重建
The FDK algorithm is token as the 3 D reconstruction algorithm, which can ignore the effect of cone-angle.
系统软件部分包括投影图像预处理和三维重建算法的实现。三维重建采用现在锥形光束的主流算法&FDK算法，该算法可以解决中小锥角效应对重建结果的影响。