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LSIM 线性数值仿真
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线性数值仿真
线性仿真是非常有用的
最大化效率和最小化尺寸是现代扬声器系统开发过程中的一大目标。不管怎样，低音重现也许是不能妥协的。但是，如何让扬声器在未超载的情况下确保有最大输出？ 数值仿真是改善扬声器设计的最快速方法。KLIPPEL的LSIM线性仿真模块是扬声器系统在小信号域专门的设计工具，让产品设计开发的速度更进一步。 All you need to do is conveniently import the linear transducer parameters from a KLIPPEL LPM measurement, briefly define the enclosure and specify desired cut-off frequency and target SPL. LSIM will automatically provide the required equalizer transfer function and estimate important state variables (e. g., required input voltage, diaphragm displacement) for different stimulus spectra. Among others, broadband music spectra with desired crest can be evaluated. This allows for quick design sketching, enabling rapid iterations towards meaningful design choices. LSIM incorporates a linear loudspeaker model and complements the proven KLIPPEL tools SIM2 and SIM-AUR, which are aimed at simulations of nonlinear effects occurring at higher voice coil excursions. However, for music reproduction, the total efficiency of a loudspeaker is mainly determined by the choice of its linear parameters. LSIM is to date the only commercially available software offering calculation of loudspeaker efficiency and it will provide a result within seconds. This makes it the perfect tool for design sketching of highly efficient “green speakers”. Such can be used with KLIPPEL Controlled Sound (KCS) - an adaptive, nonlinear loudspeaker control technology providing protection, distortion compensation and performance enhancement at large voice-coil displacements. Together KCS and LSIM form a great team, pushing the limit of what is possible in loudspeaker design – small and efficient speakers with maximum bass, great sound and unrivalled consistency
LSIM喇叭线性数值仿真模块, 提供全面的能力来仿真喇叭单元或系统, 及结合了DSP算法的有源均衡系统的线性传递表现. 基于集中参数模型, 设计一个使用于目标应用场景的系统所需的传递函数以及相关指标可供用户使用, 包括声压级SPL(f), 位移量Hx(f), 功率效率η(f), 电压灵敏度等, 所有参数都可以由用户指定. 另外, LSIM模块使用也很简单, 应用音箱的基于几何结构的设计, 与KLIPPEL的其他仿真模块也可以兼容, 比如SIM-AUR, SIM模块.
功能和好处
快速的集中参数仿真
在小幅度下线性模型有效
SPL响应, 传递函数, 阻抗等
任意激励信号
效率和电压灵敏度
普通音箱类型以及复杂负载
从几何结构参数的输入得到声学参数
需求
硬件
• KLIPPEL Analyzer 3
• USB Dongle
软件
• dB-Lab 210 -
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