Technical Scheme List

The ASMC-PXIe-8016 series PXIe memory cards launched by Doewe Technology adopt P2P technology and are based on the PCIe x8 bus. With a storage capacity of up to 16TB and read-write speeds exceeding 6GB/s, they also feature slot identification, energy monitoring, high-durability storage media, and anti-interference design. These cards can maintain the reliability of data transmission in harsh environments and have been widely applied in high-end fields such as automobile manufacturing. By virtue of this, Doewe Technology provides users with high-performance and high-reliability storage solutions, driving the advancement of data acquisition technology.

Based on a high-performance data acquisition system, Doewe Technology provides a testing solution for in-vehicle A2B acoustic acquisition and analysis. By collecting, analyzing, and monitoring the audio data of the in-vehicle A2B system, it can comprehensively evaluate its stability, audio quality, and system response capability in actual use. This provides solid data support for subsequent performance optimization, problem diagnosis, and application expansion.

Doewe ASMCPXIe7024 Gigabit Network Card integrates 4 1GbE ports, features on-board FPGA acceleration with a forwarding delay of less than 5μs, supports domestic encryption and multiple systems, and can be combined with P2P memory cards for lossless packet recording. Doewe builds a DAQ ecosystem centered on PXIe chassis, covering various types of acquisition cards and high-speed memory cards to achieve multi-physical quantity synchronization and cover multiple scenarios. GigE × PXIe is an ideal combination, and Doewe's solution facilitates data closed-loop, bringing an efficient testing experience.

This article elaborates that the PXIe controller developed by Doewe Technology adopts an advanced processor architecture, boasting powerful computing capability and high reliability, and is specifically designed for high-demand testing and data acquisition systems. Our model ASMC_PXIe-1216, equipped with the Intel® Core™ i7-6820EQ processor, supports quad-core and eight-thread parallel processing, with a maximum processing speed of up to 2.8GHz and a cache as large as 8M. Thanks to its excellent computing capability, this controller can efficiently handle complex data acquisition tasks, ensuring the real-time performance and accuracy of data processing. It can also perform tasks stably and efficiently even in highly challenging application scenarios.

Doewe Technology has launched the PXIe A²B acquisition card, which can perform lossless monitoring, injection, or playback of waveforms, and boasts performances such as high sampling rate and high dynamic range. A single card can meet the needs of the entire vehicle's daisy-chain load testing. Moreover, it can be combined with other modules to build a complete "acquisition + analysis + storage" DAQ ecosystem, enabling synchronous acquisition of multiple physical quantities. This transforms in-vehicle audio testing from a "black-box parameter adjustment" approach to a data-driven, quantifiable, and traceable mode.

In the field of audio broadcasting, testing equipment is a key tool for ensuring communication quality, optimizing the performance of broadcast transmitters, and troubleshooting faults. Against this backdrop, the RWC2500A Plus has emerged. It not only inherits the reliable performance of the FMAB but also achieves comprehensive breakthroughs in aspects such as waveform display, operational convenience, and device portability, bringing a brand-new solution to the field of audio broadcast testing.

This testing scheme aims to realize the rapid evaluation of the quality of CNC machine tool cutters by using vibration analysis technology combined with high-precision data acquisition equipment. This method evaluates the damping effect of the cutter through the characteristic parameters of the vibration signal by monitoring the vibration response of the cutter under impact excitation, so as to judge its quality.

Data acquisition systems play a crucial role in modern industrial, scientific research, and engineering fields. Their main tasks are to collect, process, store, and analyze various signal data, providing users with reliable decision-making basis. This article will explore the main components of data acquisition systems and their application characteristics in different system types.

A data acquisition system is a system that comprehensively applies information technologies such as data acquisition technology, computer technology, sensor technology, and signal processing technology. It mainly uses sensors to collect data information of target signals, and analyzes, filters, and stores the data through processing mechanisms. It can collect various types of data in real-time and accurately, including analog quantities and digital quantities, and convert these data into forms that can be processed, transmitted, or displayed by computers or other devices. This article will introduce several typical applications of data acquisition systems.

With the growing bandwidth demand of data acquisition systems, the bandwidth allocation strategy of PXIe controllers is crucial. The Doewe ASMC-PXIe-1216 controller adopts intelligent bandwidth allocation technology, which adaptively switches link modes and rebalances bandwidth according to the load. This increases the backplane utilization rate by more than 40% and reduces transmission delay, providing a guarantee for high-channel acquisition and high-speed recording.

This article elaborates on the functions of nine key parameters, including sampling rate, bit depth, input range, accuracy, isolation voltage, number of channels, filter characteristics, total harmonic distortion, and signal-to-noise ratio.

For materials with capacitive characteristics such as liquid materials, wires, and solid metals, Duwei Technology has launched a testing solution based on a data acquisition system and an arbitrary waveform generator, which can effectively test the charge-discharge performance of different types of materials.

This article explores the key roles of bit depth and sampling rate in data acquisition systems, analyzes how they affect the overall performance, measurement accuracy, and signal capture capability of the system, thereby helping readers better understand the importance of these parameters in system design.

This article mainly introduces the basic knowledge of buses, especially the differences between serial buses and parallel buses, to help readers better understand the composition, signals, and applications of PXIe systems.

This article delves into the differences between oscilloscopes and data acquisition systems in terms of bit depth and sampling rate, and analyzes the technical reasons behind these differences.