Screw machine product, while species diversity, but different brands of the difference between technology, are using smaller decide frequency compression technology, homogeneity serious.
螺杆机产品虽然品种多样,但是不同品牌之间的技术差别较小,都是采用定频压缩技术,同质化严重。
Patterns in the data: the frequency of recurring patterns in the data determines how effective compression will be for a particular table space or partition.
数据中的模式:对于特定的表空间或分区,数据中重复出现的模式的出现频率将决定压缩的效果。
The frequency hopping coded signal is a new pulse compression radar signal, and has great analysis value.
跳频编码脉冲信号是一种新的脉冲压缩雷达信号形式,极具研究价值。
The purpose of this article is to introduce the realization of Medium Frequency Receive and pulse compression for BPSK pulse compress Radar.
本文的的目的是介绍二相编码雷达中对脉冲信号回波的中频接收以及脉冲压缩处理系统的全数字实现。
Connected with the high-frequency horn driver is a smooth and wide frequency response 2 "Hou tube (2.5" voice coil diaphragm) neodymium magnet compression driver high frequency precision.
与号角连接的高频驱动单元是一个频响平滑宽广的2“侯管(2.5”音圈振膜)的钕磁钢精密高频压缩驱动器。
The regions of greatest metal enhancement for a given star-forming frequency apparently suffer the greatest compression.
对于一定的恒星形成频率,金属加浓最大的区域显然受到了最大的压缩。
The information compression of tabu frequency reduces plenty of memory demand.
禁忌频率的信息压缩技术节约了大量存储空间。
Should Huffman compression be in strict order of frequency?
该哈夫曼压缩在频率严格的?
Meanwhile, this technology cooperating double frequency chain can also generate wide band and ultra-wide band radar pulse compression signals.
同时,利用中频数字直接产生技术辅以倍频链还可实现宽带、超宽带雷达脉冲压缩信号的产生。
This algorithm is based on high-order range model, which firstly corrects range walk in the process of range compression and then corrects range bending in two dimensional frequency domain.
该算法基于高阶距离模型,首先在距离压缩时校正距离走动,然后在两维频域校正距离弯曲。
The Nyquist law is applied to all the conventional compression coding algorithms, which prescribes that the sampling rate must be at least as twice as the signal frequency.
在传统的压缩编码技术中,采样均遵循奈奎斯特定律,该定律规定采样速率要高于原信号频率的两倍。
In this paper, an adaptively weighed method based approach is proposed for data compression of complex-valued SAR images in frequency domain.
该文提出了一种基于自适应加权方法的复值SAR图像的频域压缩改进算法。
A two-stage compression variable frequency air source heat pump (TV-ASHP) has been developed combining variable frequency technology with two-stage compression cycle.
将双级压缩和变频技术有机结合,提出一种适用于寒冷地区双级压缩变频空气源热泵系统。
In the orthogonal wavelet transformation coding, it is to make use of wavelet frequency splitting that may deal with data, and then get the better result of compression.
利用正交小波变换进行小波分频特性分析处理,得到了较好的压缩结果。
Doppler effect causes not only carrier frequency offset, but also symbol expansion or compression for wideband acoustic communication signal.
多普勒不仅造成宽带水声通信信号的载波频率偏移,而且引起码元符号的展宽或压缩。
The calibration filter is applied to the received radar signals in the frequency domain either before or after pulse compression.
在脉冲压缩之前或之后,在频域向所接收的雷达信号应用校准滤波器。
Utilizing variable frequency transducer to get the displacement signal directly, the multimeter can show the tension or compression deformation after the micro-processing of signal.
本仪表采用电感调频式传感器直接输出表征位移的数字信号,经单片机处理后,即可显示拉压变形量。
This paper discusses the results of system simulation of linear frequency modulation pulse-compression radar and draws some conclusion on its capability of counter-jamming.
通过噪声干扰、噪声调幅干扰和移频干扰对脉冲压缩雷达的干扰仿真得出了一些有意义的结论。
The image damage by transform coefficients quantization in ID-DCT transform compression coding is analysed on frequency domain and space domain. Some useful results are obtained.
本文对一维DCT变换压缩编码中变换域系数二次量化引起的图象损伤进行了频域和空间域分析,得出了一些有用的结论。
Radar signal digital pulse compression processing can be realized mostly by time-domain and frequency-domain methods.
雷达信号数字脉冲压缩处理主要采用时域和频域两种方法来实现。
In this paper the working principle of the LFM pulse compression radar, and the principles of shift frequency jamming and convolution jamming are analyzed.
本文分析了线性调频脉冲压缩雷达的工作原理、移频干扰原理和卷积干扰原理。
This dissertation mainly studies the radar multi-waveform digital pulse compression processing system in frequency domain based on FPGA and multi-DSP.
本文主要研究基于FPGA和多片DSP的雷达多波形频域数字脉冲压缩系统及其软件设计。
In this system, the signal is decomposed on different frequency bands, then data compression and data recomposition are performed respectively.
该系统对信号首先按不同的频带进行分解,然后分别进行数据压缩和数据重构。
The radar range recursion filter formula, which is widely used in present radars, for linear frequency modulated pulse compression signal, has not been formed yet.
在现代雷达中,得到广泛应用的线性调频脉冲压缩信号的雷达距离数据递推器公式还未建立。
Connected with the high-frequency horn driver is a smooth and wide frequency response 1 "Hou tube (1.75" voice coil diaphragm) neodymium magnet compression driver high frequency precision.
与号角连接的高频驱动单元是一个频响平滑宽广的1“侯管(1.75”音圈振膜)的钕磁钢精密高频压缩驱动器。
These two audio form compression technology have different advantages in Microsoft company of media technology. WMA only use for compress audio frequency data. Acoustic fidelity is similar to MP3.
微软公司的这两项音频压缩技术各有优点,WMA是在微软窗口媒体技术中只用于压缩音频资料的技术,音质类似MP3。
At this time, pulse compression results are influenced by the change of sampling starting point and Doppler frequency, and the influences by them have equivalent relationship.
此时,采样起点和多普勒频率的变化也将影响脉压结果,并且两者对脉压结果的影响有一定的等效关系。
Experimental results show that low frequency pulse compression and channel match method can be used in shallow water sound channel to improve the SNR.
实验表明,脉冲压缩可有效增加浅海低频声脉冲的传输距离,信道匹配可用于消除多途对脉冲信号检测信噪比的影响。
Experimental results show that low frequency pulse compression and channel match method can be used in shallow water sound channel to improve the SNR.
实验表明,脉冲压缩可有效增加浅海低频声脉冲的传输距离,信道匹配可用于消除多途对脉冲信号检测信噪比的影响。
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