DAS OEM · DAS模块化主机
DAS核心模块，用于系统集成、OEM与ODM。
DAS模块化产品技术规格书
DAS Modular Product Technical Datasheet
第4代、第4.5代和第5代DAS支持标准整机、模块化、OEM与ODM交付。约定的数据接口支持第三方软件、AI算法及行业平台接入。
Generation 4, 4.5 and 5 DAS platforms support complete instruments, modules, OEM and ODM delivery. Agreed data interfaces support third-party software, AI algorithms and industry platforms.
产品平台 Product platforms
| 代际 / Generation | 核心技术 / Core technology | 低频下限 / Lower frequency |
|---|---|---|
| 第4代 / Gen 4 | 相干多脉冲干涉与融合 Coherent multi-pulse interference and fusion | 0.1 Hz |
| 第4.5代 / Gen 4.5 | 多脉冲融合与软件偏振分集 Multi-pulse fusion with software polarization diversity | 0.1 Hz |
| 第5代 / Gen 5 | 三频带与X/Y光学分集，六路复矢量融合 Three bands and X/Y optical diversity; six-branch complex-vector fusion | 0.01 Hz（按配置） By configuration |
模块化主机参数 Modular interrogator specifications
| 参数 / Parameter | 规格 / Specification |
|---|---|
| 适用产品 / Applicable Products | 第4代、第4.5代、第5代 DAS 均支持模块化、OEM、ODM 4th, 4.5th and 5th generation DAS platforms support modular, OEM and ODM delivery |
| 设备与开放能力 / Product & Openness | 具体测量性能参考对应产品规格书；支持 OEM/ODM；开放数据接口与协议；允许二次开发 Refer to the corresponding product specification for sensing performance; OEM/ODM, data/protocol access and secondary development are supported |
| 光纤类型 / Fiber Type | 单模光纤 9 μm/125 μm；纤芯数量、外护套尺寸与材料按工程应用配套 Single-mode fiber 9 μm/125 μm; core count, jacket dimensions and materials are configured for the application |
| 工作电压 / Operating Voltage | DC 24 V；平均功耗约 10 W（长距离、多通道配置会影响功耗） DC 24 V; average power consumption approx. 10 W (varies with distance and channel configuration) |
| 通信接口 / Communication Interface | 1 × RJ45 千兆以太网，可与 AI 智能训练平台或第三方平台通信 1 × RJ45 Gigabit Ethernet for communication with AI training or third-party platforms |
| 协议支持 / Protocol Support | 自定义相位/数据传输协议；开放范围按合作项目确定 Custom phase/data transmission protocol; access scope is defined by the cooperation project |
| 光纤接头 / Optical Connector | E2000 防尘自锁接头；可定制 FC/APC E2000 self-locking dustproof connector; FC/APC optional |
| 激光安全等级 / Laser Safety Class | Class 1 |
| 操作温度 / Operating Temperature | -10 °C ~ +50 °C |
| 存储温度 / Storage Temperature | -20 °C ~ +70 °C |
| 尺寸 / Dimensions (W × D × H) | 234 × 260 × 52.2 mm |
| 重量 / Weight | 7 kg |
测量距离、带宽、采样间隔、物理通道与算法能力遵循所选代际和型号。约10 W功耗为对应模块配置值，不作为所有长距离、多通道版本的统一功耗。
Range, bandwidth, spacing, physical channels and algorithms follow the selected generation/model. Approximately 10 W applies to the relevant module configuration, not all long-range or multichannel variants.
系统集成与供货 System integration and delivery
| 方式 / Mode | 交付与应用 / Deliverables and use |
|---|---|
| 标准整机 / Complete instrument | DAS主机与配套软件，用于终端项目 DAS instrument and software for end-user projects |
| 模块化 / Modules | 光电、采集及处理核心模块，集成至客户机箱 Optical, acquisition and processing modules for integration into customer enclosures |
| OEM | 适配外观、标识、接口与配置 Adaptation of enclosure, markings, interfaces and configuration |
| ODM | 按项目定制结构、接口、功能与软件 Project-specific mechanical, interface, functional and software design |
| 二次开发 / Software integration | 按约定开放数据及相位协议，支持AI与第三方平台 Agreed data and phase protocols for AI and third-party platforms |
| 行业方案 / Application integration | 光纤光缆、DAS、AI与应用平台联合配置 Combined configuration of sensing cable, DAS, AI and application platforms |
系统连接为传感光纤 → DAS核心模块 → 千兆以太网与数据协议 → 服务器或边缘计算 → 行业平台。采用标准单模光纤，外围设备、光缆及协议按项目配置。
Signal path: sensing fiber → DAS core module → Gigabit Ethernet and data protocol → server/edge computing → application platform. Standard single-mode fiber is used; configure peripherals, cable and protocols for the project.
接口开放范围、版本管理、集成图纸、软件功能及技术支持应在供货配置中约定。第三方软件与算法的系统性能需在联合集成条件下验证。
Agree interface access, version management, integration drawings, software functions and support in the supply configuration. Validate third-party software and algorithms in the integrated system.
频率范围与光纤长度、扫描频率、标距及信噪比共同关联。100 kHz上限仅适用于满足高速采样条件的短距离配置，不表示30–100 km全长同时具有100 kHz有效带宽。常规逐点时间采样须满足奈奎斯特条件，并预留抗混叠滤波裕量。
Frequency range depends on fiber length, scan rate, gauge length and SNR. The 100 kHz upper limit applies only to short-range configurations with adequate high-speed sampling, not simultaneously across a 30–100 km fiber. Conventional per-point temporal sampling must satisfy the Nyquist criterion with anti-aliasing margin.
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