compression system meaning in English
加压系统
压缩系统
Examples
- Vb link with fortran language is realized and solved successfully . both program interfaces are friendly and convenient to operate . the post - stall behavior of three specific compression systems is analyzed by the application of the post - stall behavior simulation programs developed in this paper
以三种特定的压缩系统为研究对象，展示了这两种过失速性能模拟技术的实用性和有效性，单级压缩系统的过失速状态的数值模拟结果得到了实验结果的很好支持。 - The radial , circumferential and axial distributions of static pressure amplitude under post - stall conditions are measured and compared . the experimental results have proved the feasibility of using one - dimensional model to analyze the post - stall behavior and recoverability of compression systems . at the same time , the results of experiment have provided the first - hand data for analyzing and calculating vibrating response of blades under post - stall conditions
以单级轴流压气机实验器为对象，研制了两种型式的静压动态探针?梳形针和圆盘针，详细测量了过失速状态下流道中压力沿径向、周向和轴向分布，验证了用一维模型分析压气机过失速性能和失速可恢复性的可信度，同时为过失速状态下叶片的振动响应分析计算提供了第一手实验数据。 - The main content of this thesis includes : ( 1 ) the introduction of theory of digitalization if receiver , including the theories on signal sampling , multi - velocity signal processing , pulse compress , and so on ; ( 2 ) design of system scheme based on system requirements , including confirm the sampling rate , design the decimation filters in digital down converter , and design the matching filters ; ( 3 ) analysis and discussion about the software and hardware implement schemes of digitalization if receiver and the pulse compression system , including the introduction and choice of chips , the realization of system module in fpga , design hardware circuit ; ( 4 ) presentation on the test results about our system based on fpga
本文的主要工作包括: ( 1 )介绍线性调频信号的数字中频接收的原理,主要包括信号采样理论,多速率信号处理理论,脉冲压缩理论等。 ( 2 )结合系统指标进行系统总体方案的设计和论证,包括采样率的确定,数字下变频各级抽取滤波的设计,以及匹配滤波的设计。 ( 3 )分析讨论并给出具有实用价值的线性调频脉冲雷达中频信号数字化接收及脉冲压缩处理系统的软硬件实现方案,包括芯片的选择和简介,系统各个模块在fpga中的实现,以及硬件电路的设计。 - Then a pulse compression system based on frequency - domain means is presented . finally , after discussing time - frequency analysis theory in general , wigner - ville distribution for lfm signals are presented , the effect of matching filtering and doppler shift are demonstrated . the cross item appearing in the condition of multi - component is investigated also
最后在简要介绍了时频分析的基本概念后，采用wigner - ville分布对线性调频信号作了仿真分析，讨论了匹配滤波的过程和多普勒频移的影响，对多分量信号时出现的交叉项问题作了探讨。 - Furthermore , the one - dimensional unsteady stage - by - stage model program is extended to study the recoverability of compression systems . the recoverability of three specific compression systems and some influence factors of recoverability are analyzed to make use of the program developed in this paper . they are verified for some experiment results on hand
本文进一步发展了一维非定常单元容积模型的应用分析范围，以三种特定的压缩系统为研究对象，研究了压缩系统的失速可恢复性及其影响因素，取得了已有实验结果的证实。