SpinDrops Читы

SpinDrops Взлом 2.1.0 + Чит Коды

Разработчик: Steffen Glaser
Категория: Образование
Цена: Бесплатно
Версия: 2.1.0
ID: com.glasersystems.Spins-in-Motion

Скриншоты

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Описание

SpinDrops provides a novel approach to understanding magnetic resonance experiments and the underlying spin dynamics. The app teaches fundamental concepts of modern NMR spectroscopy through numerous examples and an online tutorial. The simple graphical interaction helps develop intuition of the mode of action and the design of pulse sequences. Rich dynamics of spin systems (up to three coupled spins) can be explored interactively. The app uses the DROPS representation to depict arbitrary spin states intuitively, yet also with theoretic rigor. This representation is a generalization of the Bloch vector picture and provides a natural, one-to-one mapping between arbitrary spin states and so-called „droplets“.

Features of SpinDrops include:
- Customizable systems consisting of one, two or three spins 1/2.
- Arbitrary Initial states can be defined or chosen from predefined lists.
- Pulse sequences can be defined or selected from a list of pre-installed typical homonuclear and heteronuclear experiments, including individual 90° and 180° pulses, Hahn echoes, INEPT, DEPT, isotropic mixing, excitation of three-spin order and of multiple quantum coherence.
- Real-time simulations of spin dynamics can be interactively visualized using the graphical DROPS representation, which maps quantum mechanical operators to three-dimensional shapes based on spherical harmonics. This makes it possible to visualize abstract concepts such as anti-phase coherence, multiple-quantum order and coherence transfer.
- NMR signals (free induction decay, FID) can be acquired. The corresponding spectrum is displayed and can be interactively manipulated by changing the spin system parameters (frequencies and couplings), providing an intuitive approach to understand the multiplet structures of spectra and the differences between weak and strong couplings (roof effect).


Additional information can be found at www.spindrops.org:
- Extensive help is provided, including detailed tutorials, examples, challenges and information on the mathematical background of the DROPS visualization.
- Tutorials show how to define a desired initial state, how to create a new pulse sequence, and how to control the simulation and the graphical DROPS display. Furthermore, the properties of the DROPS visualization are explained and the interpretation of characteristic droplets is discussed. The shapes representing Cartesian product operators are discussed and it is shown how the coherence order of an operator is reflected in the shape and color of the corresponding droplet.
- Examples and challenges illustrate the interpretation of droplets, their symmetry properties, the evolution of single and coupled spins, the refocussing of offsets and couplings, spectral editing, and coherence transfer.

История обновлений

2.1.0
2020-07-15
Acquisition option in Pulse sequence editor with display of free induction decay (FID) and corresponding spectrum.
Option to optimize pulses.
2.0.4
2019-01-22
Updates and bug fixes, see spindrops.org/changelog.html for more info.
2.0.3
2018-06-21
Updates and bug fixes, see spindrops.org/changelog.html for more info.
2.0.0
2018-04-27
- The app has been rewritten to simulate spin dynamics based on the full density matrix formalism. This makes it possible to simulate not only ideal pulses but also the effects of resonance offsets and couplings during pulses. In addition, strong coupling effects can be taken into account, both during delays and pulses.
- The density operator, as well as additional operators such as the Hamiltonian, effective Hamiltonian, and the effective propagator of a pulse sequence can be displayed
(a) graphically using the DROPS representation, (b) in terms of linear combinations of Cartesian product operators or other useful basis operators, and (c) in matrix form.
- In addition to the simplified and intuitive pulse sequences from SpinDrops 1.0, an alternative sequence language for advanced users is supported in SpinDrops 2.0, which makes it possible to copy and paste pulse sequences from the spectrometer, to define experiments directly in terms of Hamiltonians or propagators and to implement shaped pulses.
- Multiple workspaces let the user easily switch between multiple projects, e.g. for learning, teaching or research.
- Multiple concurrent phase cycle view demonstrates the mechanism of phase cycling.

The SpinDrops project has migrated to the Glaser Group at Technical University of Munich (TUM).
1.2.2
2015-05-28
The added display option „Parallax“ allows you to interactively change the perspective by tilting your device, which provides a more intuitive depth perception.

Bugfixes
1.2.1
2015-04-21
• A bug fix that could cause a crash
• Repositioning of droplets in "3 Spin Chain" display mode
• Update of Help file
• Minor bug fixes

New in Version 1.2:
• Highly optimized graphics engine for fast and energy-efficient 3D rendering of droplets.
• The possibility to build your own library of experiments, initial states and pulse sequences.
• Novel display options to split and separate droplets based on coherence order and/or tensor rank.
• A pointer option is provided to facilitate the use of SpinDrops in lectures, where the touch display is projected on a screen.
• Extended tutorials, examples and challenges.
1.2
2015-04-17
• Highly optimized graphics engine for fast and energy-efficient 3D rendering of droplets.
• The possibility to build your own library of experiments, initial states and pulse sequences.
• Novel display options to split and separate droplets based on coherence order and/or tensor rank.
• A pointer option is provided to facilitate the use of SpinDrops in lectures, where the touch display is projected on a screen.
• Extended tutorials, examples and challenges.
1.1.1
2014-10-24
New in version 1.1.1
• A new display option is provided which allows you to change the resolution of the droplets.
• Fixed a bug that could cause a crash when moving pulses in heteronuclear sequences.
• Small bug fixes
1.1
2014-10-08
• SpinDrops 1.1 offers significantly more flexibility as well as extensive help files, including detailed tutorials, examples, challenges and information on the mathematical background of the DROPS visualization.
• New pulse sequences can be created using a sequence editor.
• An enhanced operator editor and a refined current product operator listing is provided.
• Small bug fixes.
1.0
2014-07-14

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