Then, it discusses multi rate digital signal process (MRDSP) technology in SDR, emphasis is put on the analysis of band pass signal orthogonal sampling structure.
接着,探讨软件无线电中的多速率信号处理技术,重点分析软件无线电中的带通信号正交抽取结构;
Then, the sampling rate alteration method based on FIR filter with FRM structure, its architecture, computational complexity and the problem in designing are studied.
并研究了基于此类FRM结构FIR滤波器的采样率变换算法、实现结构、计算复杂度及其设计问题等。
According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
This paper describes the structure and principle of the simulator, M-1, and the application of data sampling and control system to the simulator.
本文叙述了M-1型模拟训练器的组成和原理,以及数据采集及控制系统在模拟训练器中的应用。
The structure reduces the rate of sampling and the speed of digital processing, and requires low-performance hardware, which can be realized easily.
采用这种结构大大降低了采样速率和数字信号处理的速度,对硬件性能要求低,比较容易实现。
A specific waveform sampling card is used in this system and the structure and the function of this card are described.
重点讨论了实现这一方法的专用波形采集卡的结构和功能,以及相关的技术处理措施。
In this paper we analyze CNC system structure, real-time control and timing sampling mechanism, three-dimension process trace technique.
本文深入分析了CNC系统体系结构、实时控制与定时采样机制、三维加工轨迹跟踪技术。
The overall structure and working principles of turbo-pressure and cycling seafloor sediment sampling drilling machine were introduced and the feasibility of the design was discussed.
详述了涡轮加压和循环式海底沉积物取样钻机的总体结构和工作原理,并讨论了该设计方案的可行性。
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 hardware structure and software design are discussed. The life parameters signal sampling and processing are also analyzed.
详细阐述了系统的硬件构成和软件设计以及生命参数信号的采集与处理。
Aiming at the design demand and structure character of complex surface tools, a high precision non-touching laser scanning system based on point sampling was studied and developed.
针对复杂型面刀具的设计要求和结构特点,研究开发了一种基于点采集的高精度非接触式激光扫描测量系统。
It has specifically described 22 kinds of import broad-leaved timber structure and identification characteristic through sampling and cut-section observation of import broad-leaved timber.
通过对进口阔叶木材取样与切片观测,对22种进口阔叶材的木材构造与识别特征进行了具体描述。
Direct sampling microwave radiometer (DSMR) is a digital radiometer of simple structure, which directly samples radio frequency signals.
直接采样微波辐射计对射频信号直接采样,是一种结构简单的数字辐射计。
The adoption of capacitor feedback transimpedance amplifier (CTIA) and correlated double sampling (CDS) structure helps to reduce the noise of the circuit.
电路采用电容负反馈互导放大器(CTIA)及相关双取样(CDS)结构,有利于减小电路的噪声。
In the light of flied sampling, whetting the slice and the microscope observation, the character of the microcosmic structure is gained, then proves its deformation and destruction mode.
通过野外取样、磨片及显微镜观察,得到了滑带土的微观结构特征,由此论证了滑带土的变形破坏模式。
The structure and features of the drum type sampler are described and sampling process and application result are narrated in detail.
介绍了辊筒式采样器的结构及特点,并详述了取样过程与应用效果。
Field investigation includes traffic volume, axle loads, types, amount, and severity of pavement distress, measurement of deflection of pavement highway structure, and pavement sampling.
路面调查工作包括交通量调查,轴载调查,路面损坏的类型、数量与严重程度的记录,路面结构的弯沉以及路面取样。
According to the user's requirements for map digitization and data structure, this paper designs a "polygon-chain" combined sampling method and a sampling program.
本文从用户对地图数字化采样工艺和数据结构的需求出发,设计了“图斑——链”综合采样方法,并编写了与之相应的程序。
Broken slag and synchronous sampling methods bring to simpler structure, less sampling time and higher reliability of it, which is a key to solve a problem.
取样机所采用的破渣与取样同步进行的取样方式使结构大为简化,取样时间减少,可靠性增高,是解决问题的关键。
The results of PCA and DPC show that the sampling data have a remarkable nonlinear structure.
PCA和DPC分析结果表明,取样数据具有明显的非线性结构。
A novel sampling technique, passive sampling, is given. The principle and structure of passive sampler, the application at present and the trends of PS are reviewed.
本文对被动采样这一崭新的大气采样法的原理、采样器结构及特点、应用现状和前景作了简要阐述。
In this paper, a temperature control system for electrical heating furnace, using variable sampling period and variable structure is proposed.
本文提出一种采用变采样周期、变结构的电阻炉温度控制系统。
A new CMOS active pixel array structure that achieves wide dynamic range using dual sampling is reported.
提出了一种新型双采样结构大动态范围CMOS图像传感器的像素阵列结构。
Full-differential structure and bottom plane sampling technique and optimization of switch capacitor and MOS switch were used in this circuit.
设计中采用全差分结构和底极板采样技术,优化了开关电容和MOS开关。
Weed survey was conducted by sampling methods of inverted W-pattern to determine the species composition and structure of weed communities in maize fields in Hebei Province.
采用倒置“W”取样法对河北省玉米田杂草进行了调查,以明确田间杂草的种类组成及群落结构。
The implementation of the Sampling method is accomplished by the polyphase structure of the filter. This implementation is particularly suitable for linear phase FIR filter.
该采样方法使用滤波器的多相结构实现,这种实现方法特别适合于线性相移fir滤波器。
A new database table structure which stores a string of sampling data as binary data into a record is presented to improve earthquake precursor data access speed.
为提高地震前兆数据库的存取效率,提出了一种把一串观测数据以二进制存储为一个记录的新的数据库表结构。
A new database table structure which stores a string of sampling data as binary data into a record is presented to improve earthquake precursor data access speed.
为提高地震前兆数据库的存取效率,提出了一种把一串观测数据以二进制存储为一个记录的新的数据库表结构。
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