以采样定理为基础,通过对三种跳频电台采样方案的比较得出结论,黑盒中频数字化方法是目前最合理的选择。
Based on sampling theorem, by the comparison of three sampling scheme, and the conclusion is drew that the black box of medium frequency digital is the most reasonable choice.
针对低信噪比的雷达回波信号数据采集,文中给出了中频带通采样方案,并选用PC I_9820高速采集卡实时采集和存储数据。
Aiming at data acquisition of radar echo signal with low SNR, IF band-pass sampling concept is proposed. High-speed acquisition card PCI_9820 is used to sample in real-time and store data.
WebSphereMQ触发机制通常是基于监控和采样启动应用程序的推荐备用方案,尽管如前所述,该特性并不适合所有环境。
WebSphere MQ triggering is usually the recommended alternative to starting applications based on monitoring and sampling, though as discussed, it is not suitable for all environments.
之后,所采集的16位采样就可采用选定的编码方案进行编码。
Later, 16 collects sampling have code with respect to the encode plan that can adopt make choice of.
对于相控接收延时,本文阐述了一种将延时时钟和采样时钟分离的方案,有效地提高了接收延时分辨率。
As to phased array receiving, a scheme of separating the delay clock and sampling clock is explicated, which effectively enhance the phased receiving delay resolution.
同样的,根据你所使用的每采样光线值,这个方案总体上能提供比使用泛光灯更好的效果。
Also, depending on the Rays per Sample you use, the solution will overall be way better than the solution you get using omnis.
提出一种基于数字存储模式的PWM调制方案,讨论其非对称规则采样原理,给出宜于在线运算的简便算法。
This paper presents a PWM scheme based on digital memory mode and discusses its asymmetric regular sampling principle and simple on -line algorithm.
论文中对装置的主体电路结构、主控芯片的选择、模拟量输入通道设计和A/D采样方法进行了详细的方案比较和论证。
The main structure of the device, the selection of the microprocessor, the design of analog inputs, and the A/D sampling method are argued in detail in this dissertation.
论文根据上述分析设计了基于故障分量采样值差动保护、故障分量相量差动保护、常规电流差动保护和零序电流差动保护自适应的保护方案。
The setting schemes of the resistance coefficient and the least trip differential current for the current differential protection based on sampled values using fault component are discussed.
介绍了一种利用PCL818数据采集卡进行16通道同步整周期采样的实现方案。
An implementation strategy of 16-channel synchronous integrated period sampling by using PCL818 data acquisition module is introduced.
从理论和实践两个方面较为系统地阐述了旋转变压器峰值采样正余切轴角编码方案及其工程设计原理。
From two aspects of theory and practice, this article more systematically expounded the peak sample transformer rotating shaft cotangent coding scheme and its engineering design principles.
本文提出了一种基于射频采样的短波侦察接收机设计方案。
This paper present a new design method of RF sampling short ware reconnaissance receiver.
详细介绍了系统的总体设计方案,以及指纹采样算法,最后介绍了软件设计方法及流程图。
The article detailedly introduces the whole design scheme of the system, the arithmetic of fingerprint sampling and the method of the software design and the flow chart.
对该方案的同步采样试验结果和所开发的基于GPS的电流差动保护装置的动模试验结果进行了介绍和分析。
The sampling test results of the proposed scheme are presented and analyzed. The dynam IC simulation test results for the developed GPS based current differential relay are also introduced.
一种基于多媒体增强指令集(MMX)技术的生物医学信号采样数据软件解调方案。
A novel sampled data software demodulation solution for biomedical signal acquisition based on Multimedia Extensions (MMX) technology is introduced in this paper.
客户可以实现具有更高的帧速率传感器窗口或子采样读出模式,并可以通过SPI接口方案传感器的设置。
Customers can achieve higher frame rates for the sensor with windowed or sub-sampled readout modes, and can program the sensor's Settings over an SPI interface.
接着结合具体的课题要求,对系统算法设计,采样率选取等问题进行了详细分析,得出系统方案。
Then the problems of system arithmetic, sample rate, and so on, are particularly introduced so the system scheme which was verified can be put forward.
介绍了一套窄脉冲信号采集系统的实现方法,提出并实现了交叉采样提高采样速率的设计方案。
A set of narrow signal sampling and data acquisition system design method are introduced. Using interleaving sampling method to improve sampling speed is accomplished.
同时,针对变频运行时电动机主保护缺失问题,提出采用采样值差动保护作为变频电动机主保护的解决方案。
Sampling value differential protection can be adopted as main protection for motor when it works in frequency-conversion mode.
给出了可编程采样系统的整体设计方案,利用CPLD强大的硬件可编程能力实现系统采样频率和采样通道数的可编程设置,介绍了其原理和特点。
The overall design scheme, as well as its principle and characteristics, are presented. With powerful CPLD, the sampling rate and channel number of the system are programmable.
基于目前硬件实现水平,数字接收机中采用这种欠采样方法是经济可行的方案。
Because of the realization of hardware technique, Subnyquist sampling applied in digital receivers is an economy and feasible project at the present time.
然后分别介绍控制电路和主电路设计原理与思路,重点论述了混合电平逻辑设计中的接口解决方案、A/D采样电路、SPI通讯接口电路及主电路的保护等;
The key points lies in interface resolve method in hybrid voltage-logic design, A/D sampling circuit, SPI communication port and the protect of the main circuit.
文章还涉及了一种基于泊松采样的采样方法,并对目前的采样提出了新的改进方案。
This paper also involves a sampling method based on Poisson sampling and proposes a new solution for present sampling.
分析了原2550型微量氧分析仪采样系统设计缺陷,阐述改造方案和设计原理及使用注意事项。
The paper analyzed the design defect of Model 2550 micro oxygen analyzer, introduced the modification solution and design principle and attention rule.
介绍了基于PS 21963平台用无刷直流电动机集成化驱动及电流采样电路设计方案,进行了相应的实验研究。
The basic characteristics of PS21963 intelligent power model is displayed in brief, and a circuit design about platform driving and electric current sampling is put forward.
探讨了两次采样循环之间的衔接、提高转速测量分辨率、键相位信号的隔离和预处理等问题的解决方案。
The solution for linking twice sampling cycles, enhancing resolution of measurement of rotating speed, isolating and processing keying phase signal, are investigated.
针对果园生态环境采样速率的要求,提出了果园生态环境实时数据采集的设计方案和系统实现的关键技术。
According to requirement of orchard environment sample speed, we advanced the project of real-time data acquisition of orchard environment and key technology of system realizing.
并设计了先对回波信号进行高速采样然后同步累加进行脉冲积累的方案。
The according pulse accumulation method is designed and realized, i. e. digitalizing the echo and synchronously accumulating them in RAM.
并设计了先对回波信号进行高速采样然后同步累加进行脉冲积累的方案。
The according pulse accumulation method is designed and realized, i. e. digitalizing the echo and synchronously accumulating them in RAM.
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